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Walker 350-34836 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Overview of Walker 350-34836 Oxygen Sensor
The Walker 350-34836 oxygen sensor is a heated, threaded sensor designed specifically for select Audi, Porsche, and Volkswagen models. This sensor ensures accurate emission control by monitoring exhaust gases and providing essential data to the engine management system.
- Heated oxygen sensor with 4 wires for precise signal transmission
- Specific fit for Audi A1, A6, A6 Quattro, A7 Quattro, A8 Quattro, Porsche 911, Volkswagen Q7, and Vento
- Threaded mounting type with an 18.0 mm thread diameter for secure installation
- Wiring harness length of 8.46 inches and overall length of 11.81 inches
- Radiused polygon male connector for reliable electrical connection
- 20 gauge wire for durability and signal integrity
Walker Products Aftermarket Line Details
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components engineered to meet or exceed OEM specifications. The line emphasizes precise fitment and reliable performance, making it suitable for maintaining factory-level emission standards in vehicles like Audi, Porsche, and Volkswagen.
Technical Description and Features
The Walker 350-34836 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved accuracy in measuring oxygen levels in the exhaust stream. The sensor’s 4-wire design includes separate heater and signal wires, enhancing responsiveness and durability. Its threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free fit in the exhaust manifold or pipe. The radiused polygon male connector provides a stable electrical connection, reducing the risk of signal loss or corrosion. With a wiring harness length of 8.46 inches and an overall length of 11.81 inches, this sensor is designed to fit precisely in the specified vehicle models without modification.
Compatible Vehicles and Applications
- Compatible with Audi A1, A6, A6 Quattro, A7 Quattro, and A8 Quattro models
- Fits Porsche 911 models requiring a specific heated oxygen sensor
- Suitable for Volkswagen Q7 and Vento models with matching sensor specifications
- Used to monitor and regulate exhaust emissions for optimal engine performance
- Helps maintain compliance with emission standards by providing accurate oxygen level data
Installation Notes and Tips
- Ensure the vehicle is cooled down before sensor removal to avoid burns
- Use appropriate tools to avoid damaging the 18.0 mm threaded mounting
- Verify connector compatibility with the radiused polygon male plug before installation
- Check wiring harness length (8.46 inches) to confirm fitment without stretching or excess slack
- Follow vehicle manufacturer torque specifications when installing the sensor
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34836 sensor undergoes rigorous testing to confirm proper function and fitment. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term operation.
| Brand | Walker |
|---|---|
| Part Number | 350-34836 |
| Position | Walker Products Aftermarket, Downstream Left |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 11.81 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 8.46 |
This part fits 63 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2024 | Porsche | 911 | 3.0L | H6 | Downstream Right | OE Replacement | ||
| 2023 | Porsche | 911 | 3.0L | H6 | Downstream Right | OE Replacement | ||
| 2022 | Porsche | 911 | 3.0L | H6 | Downstream Right | OE Replacement | ||
| 2020 | Porsche | 911 | 3.0L | H6 | Upstream Right | OE Replacement | ||
| 2019 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2019 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2019 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2019 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2018 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2018 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2018 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2018 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2018 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2018 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2018 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2018 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2018 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2018 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2018 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2018 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2018 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2018 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2018 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2018 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2017 | Audi | A6 Quattro | Competition | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket |
| 2017 | Audi | A6 Quattro | Competition | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket |
| 2017 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2017 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2017 | Audi | A6 Quattro | Competition | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket |
| 2017 | Audi | A6 Quattro | Competition | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket |
| 2017 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2017 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2017 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2017 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2017 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2017 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2017 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2017 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2017 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2017 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2017 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2017 | Audi | Q7 | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2017 | Volkswagen | Vento | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2016 | Audi | A1 | 1.4L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2016 | Audi | A6 | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2016 | Audi | A6 | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2016 | Audi | A6 | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2016 | Audi | A6 | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2016 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2016 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Left | Downstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket | |
| 2016 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2016 | Audi | A7 Quattro | 3.0L | V6 | GAS | Downstream Left | Bank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket | |
| 2016 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2016 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2016 | Volkswagen | Vento | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2015 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Compatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket | |
| 2015 | Audi | A8 Quattro | 3.0L | V6 | GAS | Downstream Right | Downstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket | |
| 2015 | Volkswagen | Vento | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2014 | Volkswagen | Vento | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; 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.