HomeEmission Control > SensorsWalker 250-25015 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Part #: 250-25015

Walker 250-25015 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Walker Products OE, Upstream Left
⚙️ 68 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Upstream Left
🚗Fitment: Audi and Porsche, R8, 911, Boxster, Cayman, and S6
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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.

BrandWalker
Part Number250-25015
PositionWalker Products OE, Upstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length34.57
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length31.02

This part fits 68 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2019Porsche9114.0LH6GASUpstream RightOE Base Sensor
2018Porsche9114.0LH6GASUpstream RightOE Base Sensor
2017Porsche9114.0LH6GASUpstream RightOE Base Sensor
2016Porsche9114.0LH6GASUpstream RightOE Base Sensor
2016PorscheBoxster3.8LH6GASUpstream RightOE Base Sensor
2016PorscheCayman3.8LH6GASUpstream RightOE Base Sensor
2016VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2015AudiR84.2LV8GASUpstream LeftUpstream oxygen sensor before catalytic converter on left side.; Walker Products OE
2015AudiR84.2LV8GASUpstream LeftUpstream oxygen sensor for Bank 2 Sensor 1.; Walker Products OE
2015Porsche9113.8LH6GASUpstream RightOE Base Sensor
2015VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2014AudiR84.2LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2014Porsche9113.8LH6GASUpstream RightOE Base Sensor
2014VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2013Porsche9113.8LH6GASUpstream RightOE Base Sensor
2013VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2012AudiR84.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2012Porsche9113.8LH6GASUpstream RightOE Base Sensor
2012VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2011AudiR84.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2011Porsche9113.8LH6GASUpstream RightOE Base Sensor
2011VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2010AudiR84.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2010Porsche9113.8LH6GASUpstream RightOE Base Sensor
2010VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2009AudiR84.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2009VolkswagenCC3.6LV6GASUpstream RearOE Base Sensor
2008AudiR84.2LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008Porsche911GT33.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008Porsche911GT33.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2008Porsche911GT3 RS3.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008Porsche911GT3 RS3.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2008PorscheBoxster3.4LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008PorscheBoxster3.4LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2008PorscheBoxster2.7LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008PorscheBoxster2.7LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2008PorscheCayman3.4LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008PorscheCayman3.4LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2008PorscheCayman2.7LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2008PorscheCayman2.7LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2008VolkswagenPassat3.6LV6GASUpstream RearOE Base Sensor
2007AudiS65.2LV10GASUpstreamCyl 4,5; Cil 4,5; Upstream; Walker Products OE
2007AudiS65.2LV10GASUpstreamCyl 4,5; Upstream; Walker Products OE
2007Porsche911GT33.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2007Porsche911GT33.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2007Porsche911GT3 RS3.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2007Porsche911GT3 RS3.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2007PorscheBoxster3.4LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2007PorscheBoxster3.4LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2007PorscheBoxster2.7LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2007PorscheBoxster2.7LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2007PorscheCayman3.4LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2007PorscheCayman3.4LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2007PorscheCayman2.7LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2007PorscheCayman2.7LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2007VolkswagenPassat3.6LV6GASUpstream RearOE Base Sensor
2006PorscheBoxster3.2LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2006PorscheBoxster3.2LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2006PorscheBoxster2.7LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2006PorscheBoxster2.7LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2006PorscheCayman3.4LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2006PorscheCayman3.4LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2006VolkswagenPassat3.6LV6GASUpstream RearOE Base Sensor
2006VolkswagenPhaeton6.0LW12GASUpstreamCyl 7-9; OE Base Sensor
2005PorscheBoxster3.2LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2005PorscheBoxster3.2LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2005PorscheBoxster2.7LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2005PorscheBoxster2.7LH6GASUpstream LeftInstall 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.