HomeEmission Control > SensorsWalker 350-34461 Oxygen Sensor - Downstream Right
Part #: 350-34461

Walker 350-34461 Oxygen Sensor - Downstream Right

Walker Products Aftermarket, Downstream Right
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream Right
Fitment: Mercedes-Benz, CLK320, CLK430, and CLK55 AMG
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34461 Oxygen Sensor for Mercedes-Benz

The Walker 350-34461 oxygen sensor is designed specifically for select Mercedes-Benz models including the CLK55 AMG, CLK320, and CLK430. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Mercedes-Benz CLK55 AMG, CLK320, and CLK430
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon male connector for secure electrical connection
  • Wiring harness length of 20.79 inches and overall length of 24.33 inches
  • Wire gauge measurement of 22 for reliable signal transmission

Detailed Product Description

This Walker oxygen sensor (part number 350-34461) is engineered to meet the exact specifications required by Mercedes-Benz vehicles such as the CLK55 AMG, CLK320, and CLK430. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings under various driving conditions. The sensor’s 4-wire design includes a radiused polygon male connector, ensuring a secure and precise fit with the vehicle’s wiring harness. With a wiring harness length of 20.79 inches and an overall length of 24.33 inches, this sensor is designed for straightforward installation and reliable operation. The threaded mounting type with an 18.0 mm diameter allows for a secure attachment to the exhaust system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution for Mercedes-Benz vehicles. The product line emphasizes durability and precise fitment, ensuring that the sensor integrates seamlessly with the vehicle’s existing systems to maintain emissions compliance and engine efficiency.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for improved fuel efficiency
  • Resolves check engine light triggers related to oxygen sensor faults
  • Helps reduce harmful emissions by ensuring proper catalytic converter function
  • Eliminates rough idling or engine hesitation caused by faulty sensors
  • Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-34461 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the radiused polygon male connector aligns correctly with the vehicle’s wiring harness. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool to ensure proper function.

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34461 sensor undergoes rigorous testing to ensure reliable operation in demanding conditions. While specific warranty details may vary, Walker Products Aftermarket parts typically include a limited warranty against defects in materials and workmanship, providing confidence in the product’s longevity and function.

BrandWalker
Part Number350-34461
PositionWalker Products Aftermarket, Downstream Right
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length24.33
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length20.79

This part fits 8 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
2003Mercedes-BenzCLK320Convertible3.2LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2003Mercedes-BenzCLK4304.3LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2002Mercedes-BenzCLK3203.2LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2002Mercedes-BenzCLK4304.3LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2002Mercedes-BenzCLK55 AMG5.5LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2001Mercedes-BenzCLK3203.2LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2001Mercedes-BenzCLK4304.3LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2001Mercedes-BenzCLK55 AMG5.5LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; 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.