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Walker 250-25015 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Overview of Walker 250-25015 Oxygen Sensor
The Walker 250-25015 oxygen sensor is designed specifically for select Audi, Porsche, and Volkswagen models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.
- Heated sensor type for faster response times
- Specific fit for Audi 911, Porsche Boxster, Cayman, and Volkswagen Passat among others
- 31.02-inch wiring harness length with 5 wires of 20 gauge
- Threaded mounting with an 18.0 mm thread diameter
- Radiused polygon male connector for secure connection
- Overall length of 34.57 inches for proper installation
Detailed Product Description
This oxygen sensor from Walker Products OE is engineered to meet the exact specifications of your vehicle’s original equipment. The heated sensor element allows for quicker activation and more reliable readings under various operating conditions. With a wiring harness length of 31.02 inches and 5 wires at 20 gauge, the sensor provides robust electrical connectivity. The radiused polygon male connector ensures a secure and precise fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. This sensor is a specific fit for models including the Audi 911, Porsche Boxster, Cayman, Volkswagen Passat, Phaeton, and others, ensuring compatibility and performance.
Walker Products OE Brand Line
The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment standards. This oxygen sensor is part of that line, designed to provide reliable sensor performance and durability. Walker Products OE parts are engineered to integrate seamlessly with the vehicle’s existing systems, supporting emissions compliance and engine efficiency.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved fuel economy
- Resolves check engine light triggers related to oxygen sensor faults
- Helps reduce harmful emissions by ensuring proper sensor function
- Eliminates rough idling or engine hesitation caused by faulty sensors
- Prevents failed emissions tests due to sensor malfunctions
Installation Notes and Tips
Installation requires removing the old oxygen sensor and threading the Walker 250-25015 sensor into the exhaust manifold or pipe. Ensure the connector matches the radiused polygon male shape 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 strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Walker |
| Part Number | 250-25015 |
| Position | Walker Products OE, Upstream Left |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 34.57 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 31.02 |
This part fits 68 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2019 | Porsche | 911 | 4.0L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2018 | Porsche | 911 | 4.0L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2017 | Porsche | 911 | 4.0L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2016 | Porsche | 911 | 4.0L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2016 | Porsche | Boxster | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2016 | Porsche | Cayman | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2016 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2015 | Audi | R8 | 4.2L | V8 | GAS | Upstream Left | Upstream oxygen sensor before catalytic converter on left side.; Walker Products OE | |
| 2015 | Audi | R8 | 4.2L | V8 | GAS | Upstream Left | Upstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE | |
| 2015 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2015 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2014 | Audi | R8 | 4.2L | V8 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2014 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2014 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2013 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2013 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2012 | Audi | R8 | 4.2L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2012 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2012 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2011 | Audi | R8 | 4.2L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2011 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2011 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2010 | Audi | R8 | 4.2L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2010 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | OE Base Sensor | |
| 2010 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2009 | Audi | R8 | 4.2L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2009 | Volkswagen | CC | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2008 | Audi | R8 | 4.2L | V8 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2008 | Porsche | 911 | GT3 | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2008 | Porsche | 911 | GT3 | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2008 | Porsche | 911 | GT3 RS | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2008 | Porsche | 911 | GT3 RS | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2008 | Porsche | Boxster | 3.4L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2008 | Porsche | Boxster | 3.4L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2008 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2008 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2008 | Porsche | Cayman | 3.4L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2008 | Porsche | Cayman | 3.4L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2008 | Porsche | Cayman | 2.7L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2008 | Porsche | Cayman | 2.7L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2008 | Volkswagen | Passat | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2007 | Audi | S6 | 5.2L | V10 | GAS | Upstream | Cyl 4,5; Cil 4,5; Upstream; Walker Products OE | |
| 2007 | Audi | S6 | 5.2L | V10 | GAS | Upstream | Cyl 4,5; Upstream; Walker Products OE | |
| 2007 | Porsche | 911 | GT3 | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2007 | Porsche | 911 | GT3 | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2007 | Porsche | 911 | GT3 RS | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE |
| 2007 | Porsche | 911 | GT3 RS | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE |
| 2007 | Porsche | Boxster | 3.4L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2007 | Porsche | Boxster | 3.4L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2007 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2007 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2007 | Porsche | Cayman | 3.4L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2007 | Porsche | Cayman | 3.4L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2007 | Porsche | Cayman | 2.7L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2007 | Porsche | Cayman | 2.7L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2007 | Volkswagen | Passat | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2006 | Porsche | Boxster | 3.2L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2006 | Porsche | Boxster | 3.2L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2006 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2006 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2006 | Porsche | Cayman | 3.4L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2006 | Porsche | Cayman | 3.4L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2006 | Volkswagen | Passat | 3.6L | V6 | GAS | Upstream Rear | OE Base Sensor | |
| 2006 | Volkswagen | Phaeton | 6.0L | W12 | GAS | Upstream | Cyl 7-9; OE Base Sensor | |
| 2005 | Porsche | Boxster | 3.2L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2005 | Porsche | Boxster | 3.2L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products OE | |
| 2005 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products OE | |
| 2005 | Porsche | Boxster | 2.7L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; 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.