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Walker 350-34071 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Overview of Walker 350-34071 Oxygen Sensor
The Walker 350-34071 oxygen sensor is designed specifically for select Audi and Porsche models, including the Audi S6 and Porsche Cayenne. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.
- Heated oxygen sensor with threaded mounting
- 31.02-inch wiring harness length for flexible installation
- 22-gauge wire measurement with 4 wires for reliable signal transmission
- Radiused polygon male connector for secure fit
- 18.0 mm thread diameter and 34.57-inch overall length
- Specific fit for Audi S6 and Porsche Cayenne models
Detailed Product Description
This Walker Products Aftermarket oxygen sensor (part number 350-34071) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor’s 31.02-inch wiring harness and 22-gauge wires ensure proper connectivity and signal integrity. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter allow for a secure and precise installation. With an overall length of 34.57 inches, this sensor fits perfectly in the designated location on Audi S6 and Porsche Cayenne models.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution designed for specific vehicle applications. The product line emphasizes durability and compatibility, ensuring that the sensor integrates seamlessly with your vehicle’s existing systems.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved engine efficiency
- Helps resolve check engine light triggers related to oxygen sensor faults
- Reduces emissions by ensuring proper catalytic converter function
- Prevents rough idling and poor fuel economy caused by faulty sensors
- Supports compliance with emission regulations for Audi S6 and Porsche Cayenne
Installation Notes and Tips
Before installation, verify compatibility with your specific Audi S6 or Porsche Cayenne model year. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 31.02-inch wiring harness length provides flexibility during installation, but ensure the connector is securely attached to prevent signal loss. Thread the sensor carefully into the exhaust manifold or pipe to avoid cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-34071 sensor undergoes rigorous testing to ensure durability and performance under various operating conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.
| Brand | Walker |
| Part Number | 350-34071 |
| Position | Walker Products Aftermarket, Downstream Right |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 34.57 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 31.02 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2018 | Porsche | Cayenne | Platinum Edition | 3.6L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2018 | Porsche | Cayenne | Base | 3.6L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2017 | Porsche | Cayenne | Platinum Edition | 3.6L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2017 | Porsche | Cayenne | Base | 3.6L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2016 | Porsche | Cayenne | Base | 3.6L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2014 | Porsche | Cayenne | 3.6L | V6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket | |
| 2013 | Porsche | Cayenne | 3.6L | V6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket | |
| 2012 | Porsche | Cayenne | 3.6L | V6 | Downstream | Downstream oxygen sensor compatible with cylinders 4-6.; Walker Products Aftermarket | ||
| 2011 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Cil 9,10; Downstream; Walker Products Aftermarket | |
| 2011 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Downstream; Walker Products Aftermarket | |
| 2011 | Porsche | Cayenne | 3.6L | V6 | Downstream | Downstream oxygen sensor compatible with cylinders 4-6.; Walker Products Aftermarket | ||
| 2010 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Cil 9,10; Downstream; Walker Products Aftermarket | |
| 2010 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Downstream; Walker Products Aftermarket | |
| 2009 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Cil 9,10; Downstream; Walker Products Aftermarket | |
| 2009 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Downstream; Walker Products Aftermarket | |
| 2008 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Cil 9,10; Downstream; Walker Products Aftermarket | |
| 2008 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Downstream; Walker Products Aftermarket | |
| 2007 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Cil 9,10; Downstream; Walker Products Aftermarket | |
| 2007 | Audi | S6 | 5.2L | V10 | GAS | Downstream | Cyl 9,10; Downstream; 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.