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Walker 350-35063 Oxygen Sensor - Upstream
Overview of Walker Oxygen Sensor for Audi S8
The Walker 350-35063 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.
- Wiring harness length: 47.76 inches
- Wire gauge measurement: 20 gauge
- Heated sensor type for faster response
- Specific fit for Audi S8 models
- Five-wire configuration for accurate signal transmission
- Connector shape: radiused polygon, male gender
- Thread diameter: 18.0 mm
- Overall length: 51.3 inches
- Threaded mounting for secure attachment
Walker Products Aftermarket Line Details
The Walker Products Aftermarket line offers reliable emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering sensors that provide accurate readings and durability, making the 350-35063 oxygen sensor a suitable replacement part for maintaining the emission system integrity of your Audi S8.
Product Description and Functionality
The Walker 350-35063 oxygen sensor is a heated sensor that uses a five-wire design to provide precise oxygen level readings to the engine control unit. Its specific fitment for the Audi S8 ensures compatibility with the vehicle’s emission system. The 18.0 mm threaded mounting allows for a secure and leak-free installation, while the radiused polygon male connector ensures a proper electrical connection. The sensor’s wiring harness length of 47.76 inches and overall length of 51.3 inches provide sufficient reach for installation without modification.
Common Applications and Issues Addressed
- Helps resolve poor fuel economy caused by inaccurate oxygen readings
- Addresses rough engine idle and hesitation issues
- Reduces increased emissions due to faulty sensor signals
- Prevents check engine light triggers related to oxygen sensor faults
- Supports proper catalytic converter function by maintaining accurate air-fuel mixture data
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
- Verify connector compatibility with the radiused polygon male plug on the vehicle harness
- Do not over-tighten the sensor to avoid thread damage
- Check wiring harness routing to prevent contact with hot or moving parts
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-35063 part number undergoes rigorous testing to comply with emission control requirements. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship.
| Brand | Walker |
|---|---|
| Part Number | 350-35063 |
| Position | Walker Products Aftermarket, 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 Aftermarket |
| 2007 | Audi | S8 | Base | 5.2L | V10 | GAS | Upstream | Cyl 4,5; Upstream; Walker Products Aftermarket |
* 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.