Walker 350-33077 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker 350-33077 Oxygen Sensor

The Walker 350-33077 oxygen sensor is designed for specific vehicle applications including Aston Martin, Audi, Jaguar, and Volvo models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for select Aston Martin, Audi, Jaguar, and Volvo vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 36.34 inches wiring harness length with 3 wires of 20 gauge
• Radiused polygon connector shape with male and female connectors
• Overall length of 39.88 inches for precise installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products Aftermarket is engineered with a heated sensor element to provide quicker warm-up and improved emissions feedback. The 350-33077 part number corresponds to a specific fitment, compatible with models such as the Aston Martin DB7, Audi S6, Jaguar XJ6, XJ12, XJRS, XJS, and Volvo 740, 745, 760, 780, 940, and 4000 series. The sensor features a threaded mounting type with an 18.0 mm thread diameter, ensuring secure attachment to the exhaust system.

The wiring harness length of 36.34 inches and overall length of 39.88 inches allow for proper routing and connection within the engine bay. The sensor includes three 20-gauge wires, providing reliable signal transmission. The radiused polygon connector shape with both male and female connectors facilitates a secure and precise electrical connection.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of their sensor category, focusing on delivering reliable and vehicle-specific solutions for emission monitoring. The 350-33077 sensor reflects the brand line’s commitment to quality and fitment accuracy for European and luxury vehicle applications.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate exhaust gas readings
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring optimal sensor feedback

Installation Notes and Tips

When installing the Walker 350-33077 oxygen sensor, ensure the threaded mounting is properly tightened to the manufacturer’s torque specifications to avoid exhaust leaks. Verify the wiring harness routing to prevent contact with hot or moving engine components. The radiused polygon connectors should be securely connected, matching male and female ends to avoid electrical faults. It is recommended to use anti-seize compound on the threads if reusing the sensor to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and vehicle-specific requirements. 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 emission regulations and supports long-term engine reliability.