Walker 350-34202 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker Oxygen Sensor for Mercedes-Benz G550

The Walker 350-34202 oxygen sensor is designed specifically for the Mercedes-Benz G550, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• 33.98-inch wiring harness length for flexible placement
• 22-gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for exact fit
• Overall length of 37.52 inches for proper reach

Detailed Product Description

The Walker 350-34202 oxygen sensor is engineered as a specific fit for the Mercedes-Benz G550, providing accurate air-fuel mixture readings to the engine control unit. This sensor is a heated type, which allows it to reach operating temperature quickly, improving emissions control and fuel efficiency. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring consistent performance. The wiring harness length of 33.98 inches and overall length of 37.52 inches provide ample reach for installation without excess slack. The sensor’s 18.0 mm threaded mounting and radiused polygon female connector guarantee a secure and precise fit, reducing the risk of leaks or connection issues.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering reliable sensors and parts that maintain vehicle emissions compliance and engine efficiency. The 350-34202 oxygen sensor is part of this line, ensuring compatibility and quality for Mercedes-Benz G550 owners seeking replacement emission control sensors.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel ratio management
• Helps resolve rough idling caused by faulty sensor readings
• Reduces increased emissions due to sensor failure
• Improves fuel economy by providing correct feedback to the engine control unit
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
• Verify connector type matches the radiused polygon female connector on the vehicle harness
• Check wiring harness length to confirm proper routing without tension
• Follow torque specifications recommended by Mercedes-Benz for sensor installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34202 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability in emission control applications.