OE Quality
60-Day Returns

Walker 250-25080 Oxygen Sensor - Upstream Rear
Overview of Walker 250-25080 Oxygen Sensor for Volkswagen R32
The Walker 250-25080 oxygen sensor is designed specifically for Volkswagen R32 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 R32
- 31.69-inch wiring harness length with 5 wires of 20 gauge
- Threaded mounting with 18.0 mm thread diameter
- Radiused polygon male connector for reliable connection
- Overall length of 40.35 inches for proper fitment
Detailed Product Description
The Walker 250-25080 oxygen sensor is engineered to meet the exact specifications required by Volkswagen R32 vehicles. It features a heated sensor element that allows for faster warm-up times and improved fuel efficiency. The sensor includes a 31.69-inch wiring harness with five 20-gauge wires, providing robust electrical connectivity. Its 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 and compatibility with the vehicle’s exhaust system. With an overall length of 40.35 inches, this sensor fits perfectly within the designated space in the Volkswagen R32.
Walker Products OE Brand Line
This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that each sensor, including the 250-25080, provides reliable performance and durability tailored to specific vehicle applications like the Volkswagen R32.
Common Applications and Issues Addressed
- Restores accurate oxygen level readings for proper air-fuel mixture
- Helps resolve rough idling and engine hesitation
- Reduces increased emissions and failed emissions tests
- Improves fuel economy by optimizing combustion
- Prevents check engine light related to oxygen sensor faults
Installation Notes and Tips
When installing the Walker 250-25080 oxygen sensor on a Volkswagen R32, ensure the engine and exhaust system are cool to avoid burns. Use the correct tools to avoid damaging the threaded mounting or connector. Verify the connector’s radiused polygon shape matches the vehicle harness for a secure fit. It is recommended to inspect wiring for damage and replace any worn components to maintain sensor performance.
Quality Assurance and Warranty
Walker oxygen sensors, including part number 250-25080, are manufactured to meet stringent quality standards. The Walker Products OE line is known for consistent reliability and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure customer confidence in their purchase.
| Brand | Walker |
|---|---|
| Part Number | 250-25080 |
| Position | Walker Products OE, Upstream Rear |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 40.35 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 31.69 |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Volkswagen | R32 | 3.2L | V6 | GAS | Upstream Rear | Upstream oxygen sensor for rear exhaust system.; 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.