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Walker 350-34989 Oxygen Sensor - Downstream
Overview of Walker 350-34989 Oxygen Sensor
The Walker 350-34989 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the A8 Quattro, Caddy, Jetta, and Virtus. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Audi and Volkswagen vehicles
- Threaded mounting type with 18.0 mm thread diameter
- 25.39 inches wiring harness length with 4 wires of 20 gauge
- Radiused polygon male connector for secure connection
- Overall length of 28.54 inches for proper installation
Detailed Product Description
This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by your vehicle’s emission system. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a dedicated heater circuit, ensuring consistent sensor performance under various driving conditions. The radiused polygon male connector provides a reliable electrical connection, minimizing the risk of signal loss or corrosion. With a threaded mounting type and an 18.0 mm thread diameter, installation is straightforward and secure.
Walker Products Aftermarket Line
Walker Products Aftermarket offers a comprehensive range of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable, vehicle-specific parts that support emission compliance and engine management systems. The 350-34989 oxygen sensor is part of this line, providing a precise fit and function for Audi and Volkswagen models, ensuring compatibility and durability.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel mixture for efficient combustion
- Reduces harmful emissions by accurately monitoring exhaust gases
- Prevents engine performance issues related to faulty oxygen sensors
- Addresses check engine light triggers related to sensor failure
- Supports optimal fuel economy by providing accurate sensor data
Installation Notes and Tips
- Ensure vehicle compatibility with Audi A8 Quattro, Volkswagen Caddy, Jetta, or Virtus before installation
- Use proper tools to avoid damaging the 18.0 mm threaded mounting
- Check wiring harness length (25.39 inches) and connector type for fitment
- Handle the sensor carefully to avoid contamination of the sensing element
- Follow vehicle manufacturer torque specifications during installation
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 350-34989 may vary, Walker typically offers coverage against defects in materials and workmanship. Always refer to the product documentation or manufacturer for exact warranty terms.
| Brand | Walker |
|---|---|
| Part Number | 350-34989 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 28.54 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 25.39 |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Volkswagen | Virtus | 1.6L | L4 | Upstream | OE Replacement | |
| 2020 | Volkswagen | Jetta | 1.6L | L4 | Upstream | OE Replacement | |
| 2020 | Volkswagen | Virtus | 1.6L | L4 | Upstream | OE Replacement | |
| 2017 | Volkswagen | Caddy | 1.2L | L4 | Upstream | OE Replacement | |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 8,10,12; Cil 8,10,12; Downstream; Walker Products Aftermarket |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 7,9,11; Cil 7,9,11; Downstream; Walker Products Aftermarket |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Cil 2,4,6; Downstream; Walker Products Aftermarket |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cylinders 8, 10, 12 Downstream; Walker Products Aftermarket |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 7,9,11; Downstream; Walker Products Aftermarket |
| 2016 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Downstream; Walker Products Aftermarket |
| 2016 | Volkswagen | Caddy | 1.2L | L4 | Upstream | OE Replacement | |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 8,10,12; Cil 8,10,12; Downstream; Walker Products Aftermarket |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Cil 2,4,6; Downstream; Walker Products Aftermarket |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 7,9,11; Cil 7,9,11; Downstream; Walker Products Aftermarket |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cylinders 8, 10, 12 Downstream; Walker Products Aftermarket |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Downstream; Walker Products Aftermarket |
| 2015 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 7,9,11; Downstream; Walker Products Aftermarket |
| 2014 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Cil 2,4,6; Downstream; Walker Products Aftermarket |
| 2014 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Downstream; Walker Products Aftermarket |
| 2013 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Cil 2,4,6; Downstream; Walker Products Aftermarket |
| 2013 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Downstream; Walker Products Aftermarket |
| 2012 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; Cil 2,4,6; Downstream; Walker Products Aftermarket |
| 2012 | Audi | A8 Quattro | 6.3L | W12 | GAS | Downstream | Cyl 2,4,6; 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.