HomeEmission Control > SensorsWalker 350-35037 Oxygen Sensor - Downstream or Upstream
Part #: 350-35037

Walker 350-35037 Oxygen Sensor - Downstream or Upstream

Walker Products Aftermarket, Upstream
⚙️ 28 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products Aftermarket, Upstream
🚗Fitment: Mercedes-Benz, E350, Sprinter 2500, and Sprinter 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandWalker
Part Number350-35037
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length22.76
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length19.21

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2022Mercedes-BenzSprinter 25003.0LV6UpstreamOE Replacement
2022Mercedes-BenzSprinter 35003.0LV6UpstreamOE Replacement
2022Mercedes-BenzSprinter 3500XD3.0LV6UpstreamOE Replacement
2021Mercedes-BenzSprinter 25003.0LV6UpstreamOE Replacement
2021Mercedes-BenzSprinter 35003.0LV6UpstreamOE Replacement
2021Mercedes-BenzSprinter 3500XD3.0LV6UpstreamOE Replacement
2020Mercedes-BenzSprinter 25003.0LV6UpstreamOE Replacement
2020Mercedes-BenzSprinter 35003.0LV6UpstreamOE Replacement
2020Mercedes-BenzSprinter 3500XD3.0LV6UpstreamOE Replacement
2019Mercedes-BenzSprinter 25003.0LV6UpstreamOE Replacement
2019Mercedes-BenzSprinter 35003.0LV6UpstreamOE Replacement
2019Mercedes-BenzSprinter 3500XD3.0LV6UpstreamOE Replacement
2018Mercedes-BenzA2001.6LL4DownstreamOE Replacement
2018Mercedes-BenzSprinter 25003.0LV6UpstreamOE Replacement
2018Mercedes-BenzSprinter 35003.0LV6UpstreamOE Replacement
2018Mercedes-BenzSprinter 3500XD3.0LV6UpstreamOE Replacement
2013Mercedes-BenzA2001.6LL4DownstreamOE Replacement
2013Mercedes-BenzE3503.0LV6DIESELUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2013Mercedes-BenzSprinter 25003.0LV6DIESELUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2013Mercedes-BenzSprinter 35003.0LV6DIESELUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2012Mercedes-BenzE3503.0LV6DIESELUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2012Mercedes-BenzSprinter 25003.0LV6DownstreamDownstream oxygen sensor for vehicle installation.; Walker Products Aftermarket
2012Mercedes-BenzSprinter 35003.0LV6DownstreamDownstream oxygen sensor for vehicle installation.; Walker Products Aftermarket
2011Mercedes-BenzE3503.0LV6DIESELUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2011Mercedes-BenzSprinter 25003.0LV6DownstreamDownstream oxygen sensor for vehicle installation.; Walker Products Aftermarket
2011Mercedes-BenzSprinter 35003.0LV6DownstreamDownstream oxygen sensor for vehicle installation.; Walker Products Aftermarket
2010Mercedes-BenzSprinter 25003.0LV6DownstreamDownstream oxygen sensor for vehicle installation.; Walker Products Aftermarket
2010Mercedes-BenzSprinter 35003.0LV6DownstreamDownstream 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.