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Walker 250-25032 Oxygen Sensor - Upstream
Overview of Walker 250-25032 Oxygen Sensor for Audi S8
The Walker 250-25032 oxygen sensor is designed specifically for the Audi S8, 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 Audi S8 models
- Threaded mounting with 18.0 mm thread diameter
- 47.76 inches wiring harness length with 5 wires
- Radiused polygon male connector for reliable connection
- Wire gauge measurement of 20 for durability
- Overall length of 51.3 inches for proper fitment
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-25032) is engineered to meet the exact specifications required by Audi S8 vehicles. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions during cold starts. The sensor’s 5-wire configuration and 20-gauge wiring ensure consistent signal transmission and durability under various operating conditions. The radiused polygon male connector provides a secure and precise fit, minimizing the risk of connection issues. With a threaded mounting type and an 18.0 mm thread diameter, installation aligns with factory standards for the Audi S8.
Walker Products OE is a product line focused on delivering original equipment quality parts that match or exceed OEM specifications. This oxygen sensor is part of that line, offering reliable performance and compatibility for emission control systems in specific vehicle applications.
Common Applications and Issues Addressed
- Maintains accurate air-fuel ratio readings for engine control
- Helps reduce harmful emissions by monitoring exhaust gases
- Prevents engine performance issues related to faulty oxygen sensors
- Resolves check engine light triggers caused by sensor failure
- Improves fuel economy by ensuring proper combustion
Installation Notes and Tips
- Ensure compatibility with Audi S8 before installation
- Use proper tools to avoid damaging the 18.0 mm threaded sensor
- Check connector orientation for the radiused polygon male plug
- Verify wiring harness length of 47.76 inches fits routing requirements
- Follow vehicle manufacturer torque specifications during installation
Quality Assurance and Warranty
The Walker 250-25032 oxygen sensor is manufactured to meet stringent quality standards under the Walker Products OE line. This ensures reliable performance and durability consistent with original equipment parts. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Audi S8 vehicles.
| Brand | Walker |
|---|---|
| Part Number | 250-25032 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 51.3 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 47.76 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2007 | Audi | S8 | Base | 5.2L | V10 | GAS | Upstream | Cyl 4,5; Cil 4,5; Upstream; Walker Products OE |
| 2007 | Audi | S8 | Base | 5.2L | V10 | GAS | Upstream | Cyl 4,5; Upstream; 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.