Walker 350-34085 Oxygen Sensor - Downstream

Overview of Walker 350-34085 Oxygen Sensor for Mercedes-Benz

The Walker 350-34085 oxygen sensor is designed specifically for select Mercedes-Benz models including the C36 AMG, C220, and C280. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Mercedes-Benz C36 AMG, C220, and C280
• 22.76-inch wiring harness length for proper installation
• 20 gauge wire for reliable signal transmission
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 26.3 inches for compatibility

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 durability, making the 350-34085 sensor a reliable choice for maintaining factory-level emissions performance on Mercedes-Benz vehicles.

Product Features and Specifications

The Walker 350-34085 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved accuracy in emissions readings. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring stable operation. The wiring harness length of 22.76 inches and overall length of 26.3 inches provide adequate reach for installation in the specified Mercedes-Benz models. The radiused polygon female connector and threaded mounting type with an 18.0 mm diameter ensure a secure and proper fit.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for Mercedes-Benz C36 AMG, C220, and C280
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing correct air-fuel mixture data
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

When installing the Walker 350-34085 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the radiused polygon female connector aligns correctly with the vehicle’s wiring harness connector. Thread the sensor carefully into the exhaust manifold or pipe to avoid cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34085 part number undergoes rigorous testing to ensure compatibility and reliability with Mercedes-Benz C36 AMG, C220, and C280 models. Warranty coverage details should be confirmed with the product documentation or supplier.