HomeEmission Control > SensorsWalker 250-25079 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Part #: 250-25079

Walker 250-25079 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Walker Products OE, Upstream
41 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Upstream
Fitment: Volvo and Porsche, C30, C70, S60, S40, V50, and 911
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Products OE Oxygen Sensor 250-25079

The Walker Products OE Oxygen Sensor 250-25079 is designed for precise emission control in select Porsche and Volvo models. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.

  • Heated sensor type for faster response times
  • Specific fit for Porsche 911, Carrera GT and Volvo C30, C70, S40, S60, V50
  • 27.09-inch wiring harness length with 5 wires of 20 gauge
  • Radiused polygon male connector for secure connection
  • Threaded mounting with 18.0 mm thread diameter
  • Overall length of 30.63 inches for proper installation depth

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 5-wire configuration with 20 gauge wiring supports reliable signal transmission and heater circuit operation. The 27.09-inch wiring harness length provides sufficient reach for installation in engine compartments of compatible vehicles. The radiused polygon male connector ensures a secure and precise fit, minimizing the risk of disconnection or signal loss. The sensor mounts via a threaded design with an 18.0 mm diameter, matching OEM specifications for Porsche 911, Carrera GT, and Volvo C30, C70, S40, S60, and V50 models.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor 250-25079 is engineered to match the exact fit and function required by the specified Porsche and Volvo vehicles, ensuring compatibility and reliable performance within the emission system.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel ratio management
  • Helps resolve engine performance issues related to faulty sensors
  • Reduces emissions by ensuring correct fuel mixture adjustments
  • Prevents check engine light triggers caused by sensor failure
  • Supports compliance with emission regulations for Porsche and Volvo models

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-25079, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Verify the radiused polygon male connector aligns properly with the vehicle harness to avoid damage. Confirm the wiring harness length and wire gauge match the original sensor to maintain electrical integrity. Proper torque specifications should be followed to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for durability and performance. The 250-25079 part number undergoes rigorous testing to ensure reliable operation in Porsche and Volvo vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number250-25079
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length30.63
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length27.09

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013VolvoC302.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2013VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2012VolvoC302.5LL5UpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2012VolvoC702.5LL5UpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2012VolvoS602.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2011VolvoC302.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2011VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2011VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2011VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2010VolvoC302.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2010VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2010VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2010VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2009VolvoC302.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2009VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2009VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2009VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2008VolvoC302.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2008VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2008VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2008VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2007VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2007VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2007VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2006VolvoC702.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2006VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2006VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2005Porsche9113.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2005Porsche9113.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2005PorscheCarrera GT5.7LV10GASUpstream RightOE Base Sensor
2005VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2005VolvoV502.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2004Porsche9113.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2004Porsche9113.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2004PorscheCarrera GT5.7LV10GASUpstream RightOE Base Sensor
2004VolvoS402.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2003Porsche9113.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2003Porsche9113.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2002Porsche9113.6LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2002Porsche9113.6LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2001Porsche9113.6LH6GASUpstream RightOE Base Sensor

* 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.