Walker 350-34083 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 350-34083 Oxygen Sensor

The Walker 350-34083 oxygen sensor is designed specifically for select Mercedes-Benz models, including the C230, E350, and GL450. 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 sensor type for faster response times
• Specific fit for various Mercedes-Benz models
• 17.24-inch wiring harness length with 4 wires
• 22 gauge wire measurement for durability
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 20.79 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications of Mercedes-Benz vehicles such as the C250, CLS63 AMG, and ML550. The heated sensor design allows it to reach operating temperature quickly, improving emissions control and fuel efficiency. The 4-wire configuration supports both sensor heating and signal transmission, while the 22 gauge wiring ensures reliable electrical performance. The radiused polygon female connector provides a secure and precise fit, reducing the risk of connection issues. With a threaded mounting type and an 18.0 mm thread diameter, installation aligns with factory standards for a seamless replacement.

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, offering a direct fit and reliable performance for Mercedes-Benz vehicles. The product line emphasizes quality materials and precise engineering to maintain vehicle emissions compliance and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper combustion
• Reduces harmful emissions by maintaining sensor accuracy
• Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 350-34083 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 is fully seated to prevent electrical issues. Thread the sensor carefully to avoid cross-threading, and torque to manufacturer specifications. This sensor is designed for specific Mercedes-Benz models, so verify compatibility before installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle operation.