Walker 350-35034 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 350-35034 Oxygen Sensor

The Walker 350-35034 oxygen sensor is designed for precise emission control in select BMW, Dodge, and Mercedes-Benz vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for models including BMW 528i, Dodge Sprinter 2500, and Mercedes-Benz AMG GT 63
• 30.04-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 33.58 inches for proper installation

Detailed Product Description

This Walker oxygen sensor (part number 350-35034) is engineered to meet the exact specifications required by various BMW, Dodge, and Mercedes-Benz models. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, improving emission control efficiency shortly after engine start. The sensor includes a 30.04-inch wiring harness with five 20-gauge wires, ensuring reliable electrical connectivity. Its radiused polygon male connector is designed for a secure and precise fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This oxygen sensor is part of their aftermarket line, providing a direct replacement solution tailored for specific vehicle applications. The focus on exact fitment and quality materials supports consistent sensor performance and durability across various BMW, Dodge, and Mercedes-Benz models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel ratio management
• Helps resolve engine performance issues such as rough idling or hesitation
• Reduces emissions by ensuring correct catalytic converter operation
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by maintaining optimal combustion

Installation Notes and Tips

When installing the Walker 350-35034 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the radiused polygon male connector aligns correctly with the vehicle’s harness connector. Thread the sensor carefully into the exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure reliable operation. This part is manufactured to precise specifications for compatibility with BMW, Dodge, and Mercedes-Benz vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.