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Walker 350-35037 Oxygen Sensor - Downstream or Upstream
Overview of Walker 350-35037 Oxygen Sensor
The Walker 350-35037 oxygen sensor is designed specifically for select Mercedes-Benz models, including the E350 and Sprinter series. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.
- Heated oxygen sensor with 5-wire configuration
- Specific fit for Mercedes-Benz E350, Sprinter 2500, Sprinter 3500, and Sprinter 3500XD
- Threaded mounting type with 18.0 mm thread diameter
- Radiused polygon male connector for secure electrical connection
- Wiring harness length of 19.21 inches and overall length of 22.76 inches
- Wire gauge measurement of 20 for reliable signal transmission
Detailed Product Features and Specifications
This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide faster response times and improved emissions control. The 5-wire design supports both sensor heating and signal output, ensuring consistent performance under various operating conditions. The sensor’s threaded mounting type with an 18.0 mm diameter allows for a secure and precise installation in the exhaust system. The radiused polygon male connector is designed to match the factory wiring harness, reducing the risk of connection issues. With a wiring harness length of 19.21 inches and an overall length of 22.76 inches, this sensor fits the specified Mercedes-Benz models without modification.
Walker Products Aftermarket Line Information
The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution for Mercedes-Benz vehicles requiring precise sensor fitment and performance. The product line emphasizes compatibility and durability, supporting emission compliance and engine efficiency.
Applications and Common Issues Addressed
- Replacement for faulty or failing oxygen sensors in Mercedes-Benz E350 and Sprinter models
- Helps resolve engine performance issues related to incorrect air-fuel mixture readings
- Addresses increased emissions and failed emissions tests
- Eliminates rough idling or hesitation caused by sensor malfunction
- Prevents check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Confirm the connector type matches the factory harness before installation. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications. Verify wiring connections are secure and free from damage.
Quality Assurance and Warranty
Walker oxygen sensors are manufactured to meet strict quality standards for emission control components. This part number 350-35037 undergoes rigorous testing to ensure durability and reliable operation. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
| Part Number | 350-35037 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 22.76 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 5 |
| Wiring Harness Length | 19.21 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2022 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2022 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2022 | Mercedes-Benz | Sprinter 3500XD | 3.0L | V6 | Upstream | OE Replacement | |
| 2021 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2021 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2021 | Mercedes-Benz | Sprinter 3500XD | 3.0L | V6 | Upstream | OE Replacement | |
| 2020 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2020 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2020 | Mercedes-Benz | Sprinter 3500XD | 3.0L | V6 | Upstream | OE Replacement | |
| 2019 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2019 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2019 | Mercedes-Benz | Sprinter 3500XD | 3.0L | V6 | Upstream | OE Replacement | |
| 2018 | Mercedes-Benz | A200 | 1.6L | L4 | Downstream | OE Replacement | |
| 2018 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2018 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Upstream | OE Replacement | |
| 2018 | Mercedes-Benz | Sprinter 3500XD | 3.0L | V6 | Upstream | OE Replacement | |
| 2013 | Mercedes-Benz | A200 | 1.6L | L4 | Downstream | OE Replacement | |
| 2013 | Mercedes-Benz | E350 | 3.0L | V6 | DIESEL | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2013 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | DIESEL | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2013 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | DIESEL | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2012 | Mercedes-Benz | E350 | 3.0L | V6 | DIESEL | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2012 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | |
| 2012 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | |
| 2011 | Mercedes-Benz | E350 | 3.0L | V6 | DIESEL | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 2011 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | |
| 2011 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | |
| 2010 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | |
| 2010 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Downstream | Downstream oxygen sensor for vehicle installation.; 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.