HomeEmission Control > SensorsWalker 250-25054 Oxygen Sensor - Upstream Left
Part #: 250-25054

Walker 250-25054 Oxygen Sensor - Upstream Left

Walker Products OE, Upstream Left
1 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$141.75Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Upstream Left
Fitment: Volkswagen, Touareg
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Products OE Oxygen Sensor 250-25054

The Walker Products OE Oxygen Sensor 250-25054 is designed specifically for Volkswagen Touareg models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fit for Volkswagen Touareg
  • 36.93-inch wiring harness length with 5 wires
  • 20 gauge wire measurement for durability
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon male connector for reliable connection
  • Overall length of 40.47 inches for proper fitment

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-25054) is engineered to meet the exact specifications required by Volkswagen Touareg vehicles. The sensor is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It includes a 36.93-inch wiring harness with five wires of 20 gauge thickness, providing robust electrical connectivity. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure and precise fit. The connector is a radiused polygon shape with a male gender, designed to match the vehicle’s factory wiring harness for straightforward installation.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, offering reliable performance and compatibility with specific vehicle models like the Volkswagen Touareg. The OE designation indicates that this sensor is designed to match the exact fit and function of the original sensor installed by the manufacturer.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces harmful emissions by accurately monitoring oxygen levels
  • Prevents engine performance issues related to faulty sensors
  • Resolves check engine light triggers caused by oxygen sensor faults
  • Improves fuel economy by providing accurate sensor data to the ECU

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-25054, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector matches the radiused polygon male shape for proper connection. Follow torque specifications recommended by Volkswagen to secure the sensor without over-tightening. Inspect wiring harness length and routing to prevent interference with moving parts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-25054 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Volkswagen Touareg vehicles.

BrandWalker
Part Number250-25054
PositionWalker Products OE, Upstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length40.47
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length36.93

This part fits 1 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2004VolkswagenTouareg4.9LV10DIESELUpstream 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.