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Walker 250-25060 Oxygen Sensor - Upstream Front or Upstream Rear
Overview of Walker 250-25060 Oxygen Sensor
The Walker 250-25060 oxygen sensor is designed specifically for select Ford Fusion, Mazda Milan, and Mercury models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Ford Fusion, Mazda Milan, and Mercury vehicles
- Threaded mounting type with 18.0 mm thread diameter
- 5-wire configuration with 20 gauge wire for reliable signal transmission
- Radiused polygon male connector for secure electrical connection
- Overall length of 12.52 inches and wiring harness length of 8.98 inches
Detailed Product Features and Specifications
This oxygen sensor from Walker Products OE is engineered with a heated sensor element to provide quicker warm-up and more accurate readings under various operating conditions. The 5-wire design supports advanced sensor functionality, improving the precision of air-fuel mixture adjustments. The sensor’s 18.0 mm threaded mounting ensures a secure fit in the exhaust system, while the radiused polygon male connector guarantees a stable electrical connection. With an overall length of 12.52 inches and a wiring harness length of 8.98 inches, this sensor is tailored for specific vehicle applications, including Ford Fusion, Mazda Milan, and Mercury models.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed in your vehicle. Walker Products OE parts are designed to integrate seamlessly with your vehicle’s emission control system, supporting regulatory compliance and engine efficiency.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper fuel mixture control
- Helps resolve rough idling caused by faulty sensor readings
- Reduces increased emissions due to sensor malfunction
- Improves fuel economy by maintaining correct air-fuel ratio
- Prevents check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
Installation requires removal of the old oxygen sensor and threading the Walker 250-25060 sensor into the exhaust port. Ensure the connector matches the radiused polygon male type for proper connection. Use appropriate tools to avoid damaging the 18.0 mm threaded fitting. Verify wiring harness length and routing to prevent strain or interference with other components.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle reliability.
| Brand | Walker |
| Part Number | 250-25060 |
| Position | Walker Products OE, Upstream Front |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 12.52 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 8.98 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2010 | Ford | Fusion | 3.5L | V6 | GAS | Upstream Rear | To 08/03/2009; B1S1; Al 08/03/2009; Upstream; Rear; Walker Products OE |
| 2010 | Ford | Fusion | 3.5L | V6 | GAS | Upstream Front | To 08/03/2009; B2S1; Al 08/03/2009; Upstream; Front; Walker Products OE |
| 2010 | Ford | Fusion | 3.0L | V6 | FLEX | Upstream Rear | To 08/03/2009; Al 08/03/2009; Upstream; Rear; Walker Products OE |
| 2010 | Ford | Fusion | 3.0L | V6 | FLEX | Upstream Front | To 08/03/2009; Al 08/03/2009; Upstream; Front; Walker Products OE |
| 2010 | Ford | Fusion | 3.5L | V6 | GAS | Upstream Rear | To 08/03/2009; Al 08/03/2009; Upstream; Rear; B1S1; Walker Products OE |
| 2010 | Ford | Fusion | 3.5L | V6 | GAS | Upstream Front | To 08/03/2009; Al 08/03/2009; Upstream; Front; B2S1; Walker Products OE |
| 2010 | Ford | Fusion | 3.5L | V6 | GAS | Upstream Rear | To 08/03/2009; B1S1; Upstream; Rear; Walker Products OE |
| 2010 | Ford | Fusion | 3.5L | V6 | GAS | Upstream Front | To 08/03/2009; B2S1; Upstream; Front; Walker Products OE |
| 2010 | Ford | Fusion | 3.0L | V6 | FLEX | Upstream Rear | To 08/03/2009; Upstream; Rear; Walker Products OE |
| 2010 | Ford | Fusion | 3.0L | V6 | FLEX | Upstream Front | To 08/03/2009; Upstream; Front; Walker Products OE |
| 2010 | Mazda | 6 | 3.7L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2010 | Mazda | 6 | 3.7L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE |
| 2010 | Mercury | Milan | 3.0L | V6 | Upstream Rear | To 08/03/2009; Al 08/03/2009; Upstream; Rear; Walker Products OE | |
| 2010 | Mercury | Milan | 3.0L | V6 | Upstream Front | To 08/03/2009; Al 08/03/2009; Upstream; Front; Walker Products OE | |
| 2010 | Mercury | Milan | 3.0L | V6 | Upstream Rear | To 08/03/2009; Upstream; Rear; Walker Products OE | |
| 2010 | Mercury | Milan | 3.0L | V6 | Upstream Front | To 08/03/2009; Upstream; Front; Walker Products OE | |
| 2009 | Mazda | 6 | 3.7L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; Walker Products OE |
| 2009 | Mazda | 6 | 3.7L | V6 | GAS | Upstream Front | Front upstream oxygen sensor needed for proper functionality near exhaust manifold.; 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.