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Walker 250-24749 Oxygen Sensor
Overview of Walker Products OE Oxygen Sensor 250-24749
The Walker Products OE 250-24749 oxygen sensor is designed for specific vehicle applications including Ford, Jaguar, Lincoln, Mazda, and Mercury models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fit and reliable performance in emission control systems.
- Heated oxygen sensor with 4-wire configuration
- Specific fit for select Ford, Jaguar, Lincoln, Mazda, and Mercury vehicles
- Threaded mounting with 18.0 mm thread diameter
- Connector features a radiused polygon shape and male gender
- Wiring harness length of 8.58 inches and overall length of 12.13 inches
- Wire gauge measurement of 20 for optimal electrical performance
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-24749) is engineered to meet the exact specifications required by various Ford, Jaguar, Lincoln, Mazda, and Mercury models such as the Ford F-150, Explorer, Mustang, and Lincoln Navigator. The sensor’s heated design allows for quicker activation and improved fuel efficiency by accurately monitoring oxygen levels in the exhaust gases. The 4-wire setup includes a dedicated heater circuit, enhancing sensor responsiveness and durability.
The sensor’s threaded mounting type with an 18.0 mm diameter ensures secure installation in the exhaust system. Its radiused polygon male connector provides a reliable electrical connection, reducing the risk of signal loss or corrosion. With a wiring harness length of 8.58 inches and an overall length of 12.13 inches, this sensor fits precisely in the designated locations without excess slack or tension.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on your vehicle. Choosing a Walker Products OE sensor helps maintain emission control system integrity and supports compliance with environmental regulations.
Common Applications and Issues Addressed
- Restores accurate air-fuel mixture readings for improved engine performance
- Resolves check engine light triggers related to oxygen sensor faults
- Helps reduce emissions by ensuring proper catalytic converter function
- Prevents rough idling and poor fuel economy caused by faulty sensors
- Eliminates hesitation or stalling linked to incorrect oxygen sensor data
Installation Notes and Tips
When installing the Walker Products OE 250-24749 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the thread size and connector type match the original sensor to avoid fitment issues. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer, but avoid contaminating the sensor tip. Connect the wiring harness securely to prevent electrical faults.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and durability. This part number 250-24749 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region and application.
| Brand | Walker |
| Part Number | 250-24749 |
| Position | Walker Products OE, Upstream Left |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 12.13 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 8.58 |
This part fits 542 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2010 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2010 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2010 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2010 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2010 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2010 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2010 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2010 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2010 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2010 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2010 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2010 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2010 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2010 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2009 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2009 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2009 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2009 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2009 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2009 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2009 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2009 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2009 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2009 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2009 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2009 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2009 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2009 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2009 | Mazda | Tribute | 3.0L | V6 | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE | |
| 2009 | Mazda | Tribute | 3.0L | V6 | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE | |
| 2009 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2009 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2008 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2008 | Ford | Escape | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2008 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2008 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2008 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2008 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2008 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2008 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2008 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2008 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2008 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2008 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2008 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2008 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2008 | Mercury | Mariner | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2008 | Mercury | Mariner | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2007 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2007 | Ford | Escape | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2007 | Ford | Five Hundred | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2007 | Ford | Freestyle | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2007 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2007 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2007 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2007 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2007 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2007 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2007 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2007 | Ford | Mustang | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2007 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2007 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2007 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2007 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2007 | Mercury | Mariner | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2007 | Mercury | Mariner | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2007 | Mercury | Montego | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Ford | Five Hundred | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Ford | Freestyle | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2006 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2006 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2006 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2006 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2006 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2006 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2006 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2006 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2006 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2006 | Mercury | Mariner | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2006 | Mercury | Montego | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Ford | Five Hundred | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Ford | Freestyle | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2005 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2005 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2005 | Ford | Mustang | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2005 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2005 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2005 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2005 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2005 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2005 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2005 | Lincoln | Aviator | 4.6L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2005 | Lincoln | Aviator | 4.6L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2005 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2005 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2005 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2005 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2005 | Mercury | Mariner | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2005 | Mercury | Montego | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2005 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2005 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2004 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2004 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2004 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2004 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2004 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2004 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2004 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2004 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2004 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2004 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2004 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2004 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2004 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2004 | Ford | F-150 Heritage | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2004 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2004 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2004 | Ford | Mustang | 3.9L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Ford | Mustang | 3.9L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2004 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2004 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2004 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2004 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2004 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2004 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Lincoln | Aviator | 4.6L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Lincoln | Aviator | 4.6L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2004 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2004 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2004 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2004 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2004 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2004 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2003 | Ford | E-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | E-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | E-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | E-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | E-150 Club Wagon | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | E-150 Club Wagon | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | E-150 Club Wagon | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | E-150 Club Wagon | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | E-250 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | E-250 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | E-250 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | E-250 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Econoline | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | Econoline | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | Econoline | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | Econoline | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2003 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | Explorer | 4.0L | V6 | FLEX | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Ford | Explorer | 4.0L | V6 | FLEX | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Ford | Explorer | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Ford | Explorer | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Explorer Sport | 4.0L | V6 | Upstream Right | OE Base Sensor | |
| 2003 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2003 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2003 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2003 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2003 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2003 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2003 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2003 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2003 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Lincoln | Aviator | 4.6L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Lincoln | Aviator | 4.6L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2003 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2003 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2003 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2003 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2003 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2003 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2002 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | Explorer | 4.0L | V6 | FLEX | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Ford | Explorer | 4.0L | V6 | FLEX | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | Explorer | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2002 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2002 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2002 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2002 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Ford | Thunderbird | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2002 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2002 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2002 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2002 | Lincoln | Blackwood | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Lincoln | Blackwood | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2002 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2002 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | FLEX | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | FLEX | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2002 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2002 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2001 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2001 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2001 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2001 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2001 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2001 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2001 | Ford | Escape | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | B1S1; Estándar; Upstream; Right; Standard; Walker Products OE |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | B2S1; Estándar; Upstream; Left; Standard; Walker Products OE |
| 2001 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Estándar; Upstream; Right; B1S1; Standard; Walker Products OE |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Estándar; Upstream; Left; B2S1; Standard; Walker Products OE |
| 2001 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | B1S1; Upstream; Right; Standard; Walker Products OE |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | B2S1; Upstream; Left; Standard; Walker Products OE |
| 2001 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2001 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2001 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Ford | Taurus | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2001 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Ford | Taurus | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2001 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2001 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2001 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2001 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2001 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2001 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2001 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2001 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2001 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2001 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2001 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2001 | Mazda | Tribute | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Mercury | Sable | 3.0L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2001 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2001 | Mercury | Sable | 3.0L | V6 | FLEX | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2000 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2000 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2000 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2000 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2000 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2000 | Ford | E-250 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2000 | Ford | Escort | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2000 | Ford | Escort | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2000 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | B1S1; Estándar; Upstream; Right; Standard; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | B2S1; Estándar; Upstream; Left; Standard; Walker Products OE |
| 2000 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 2000 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Estándar; Upstream; Right; B1S1; Standard; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Estándar; Upstream; Left; B2S1; Standard; Walker Products OE |
| 2000 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 2000 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | B1S1; Upstream; Right; Standard; Walker Products OE |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | B2S1; Upstream; Left; Standard; Walker Products OE |
| 2000 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | F-250 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2000 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2000 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 2000 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 2000 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Jaguar | S-Type | 4.0L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 2000 | Jaguar | S-Type | 3.0L | V6 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 2000 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2000 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2000 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2000 | Lincoln | LS | 3.9L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2000 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2000 | Lincoln | LS | 3.0L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2000 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2000 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 1999 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1999 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1999 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1999 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1999 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 1999 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 1999 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 1999 | Ford | E-150 Econoline | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 1999 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 1999 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 1999 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 1999 | Ford | E-150 Econoline Club Wagon | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 1999 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1999 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1999 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1999 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1999 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1999 | Ford | Expedition | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1999 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1999 | Ford | Expedition | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1999 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1999 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1999 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 1999 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1999 | Ford | F-150 | 5.4L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1999 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1999 | Ford | F-150 | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1999 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 1999 | Ford | F-150 | 4.2L | V6 | GAS | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 1999 | Ford | F-250 | 5.4L | V8 | BI-FUEL | Upstream Right | Calif-ESV; B1S1; Upstream; Right; Walker Products OE |
| 1999 | Ford | F-250 | 5.4L | V8 | BI-FUEL | Upstream Left | Calif-ESV; B2S1; Upstream; Left; Walker Products OE |
| 1999 | Ford | F-250 | 5.4L | V8 | BI-FUEL | Upstream Right | Calif-ESV; Upstream; Right; B1S1; Walker Products OE |
| 1999 | Ford | F-250 | 5.4L | V8 | BI-FUEL | Upstream Left | Calif-ESV; Upstream; Left; B2S1; Walker Products OE |
| 1999 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1999 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1999 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 1999 | Ford | Mustang | 3.8L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 1999 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1999 | Ford | Mustang | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1999 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 1999 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 1999 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 1999 | Lincoln | Navigator | 5.4L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 1999 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Right | Oil Cooler; Enfriador de aceite; Upstream; Right; Walker Products OE |
| 1999 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Left | Oil Cooler; Enfriador de aceite; Upstream; Left; Walker Products OE |
| 1999 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Right | Oil Cooler; Upstream; Right; Walker Products OE |
| 1999 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Left | Oil Cooler; Upstream; Left; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | GAS | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Right | Compatible with upstream right oxygen sensor in the B1S1 position.; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | GAS | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Right | Upstream oxygen sensor for right bank position 1; Walker Products OE |
| 1998 | Ford | Crown Victoria | 4.6L | V8 | CNG | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE |
| 1998 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 1998 | Lincoln | Continental | 4.6L | V8 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 1998 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Right | Oil Cooler; Enfriador de aceite; Upstream; Right; Walker Products OE |
| 1998 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Left | Oil Cooler; Enfriador de aceite; Upstream; Left; Walker Products OE |
| 1998 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Right | Oil Cooler; Upstream; Right; Walker Products OE |
| 1998 | Lincoln | Town Car | 4.6L | V8 | GAS | Upstream Left | Oil Cooler; Upstream; Left; Walker Products OE |
| 1998 | Mercury | Grand Marquis | 4.6L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 1998 | Mercury | Grand Marquis | 4.6L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 1994 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1994 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1993 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1993 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1992 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1992 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1991 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1991 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 1990 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 1990 | Ford | F-350 | 5.0L | V8 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.