Walker 350-35076 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right

Overview of Walker 350-35076 Oxygen Sensor

The Walker 350-35076 oxygen sensor is designed for precise emission control in select BMW, Jeep, Mercedes-Benz, Mini, and Smart vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for various BMW, Jeep, Mercedes-Benz, Mini, and Smart models
• 12.32-inch wiring harness length with 5 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 15.87 inches for proper installation

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and quality construction, ensuring compatibility and durability for emission sensors like the 350-35076.

Product Features and Specifications

The Walker 350-35076 oxygen sensor features a heated sensor element that accelerates the sensor’s readiness after engine start, improving emission control efficiency. It includes a 12.32-inch wiring harness with five 20-gauge wires, allowing for accurate signal transmission. The radiused polygon male connector ensures a secure and stable electrical connection, while the threaded mounting type with an 18.0 mm diameter provides a firm and reliable installation point. The overall length of 15.87 inches accommodates proper placement within the exhaust system.

Compatible Vehicles and Applications

• BMW models including 323i, 325i, 328d, 330i, 525i, 530i, M3, X3, X5, and others
• Jeep Grand Cherokee
• Mercedes-Benz AMG GT series, C-Class, E-Class, GLS, GLE, S-Class, and Maybach models
• Mini Cooper and Smart Fortwo

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 350-35076 sensor, taking care to avoid damaging the wiring harness or connector. Verify the connector’s radiused polygon shape and male gender match the vehicle’s harness. Thread the sensor carefully into the exhaust port with the specified 18.0 mm diameter to prevent cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 350-35076 sensor undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty details are provided by Walker and typically cover defects in materials and workmanship under normal use.