Walker 350-34521 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker Oxygen Sensor for Pontiac G8

The Walker 350-34521 oxygen sensor is designed specifically for the Pontiac G8, 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 and accurate installation.

• Heated oxygen sensor with 4 wires for reliable signal transmission
• Specific fit for Pontiac G8 models
• Threaded mounting with 18.0 mm thread diameter
• 9.37-inch wiring harness length and 12.91-inch overall length
• 22 gauge wire measurement for durability and performance
• Radiused polygon female connector for secure connection

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components tailored to exact vehicle specifications. The line emphasizes compatibility and quality, offering parts like the 350-34521 sensor that meet OEM standards for fit and function on vehicles such as the Pontiac G8.

Product Features and Specifications

The Walker 350-34521 oxygen sensor is a heated sensor designed to provide accurate air-fuel mixture readings to the engine control unit. It includes four wires, allowing for heater circuit and sensor signal functionality. The sensor’s wiring harness measures 9.37 inches, while the overall length is 12.91 inches, facilitating proper placement within the exhaust system. The 18.0 mm threaded mounting ensures a secure fit, and the radiused polygon female connector supports a reliable electrical connection. The 22 gauge wire measurement balances flexibility and durability for long-term use.

Common Applications and Problem Resolution

• Helps correct engine misfires caused by faulty oxygen sensor readings
• Reduces emissions by providing accurate data to the engine control unit
• Improves fuel efficiency by optimizing air-fuel mixture
• Prevents check engine light triggers related to oxygen sensor faults
• Maintains proper engine performance and drivability in Pontiac G8 vehicles

Installation Notes and Tips

When installing the Walker 350-34521 oxygen sensor on a Pontiac G8, ensure the threaded mounting is properly tightened to the manufacturer’s torque specifications to avoid exhaust leaks. Verify the connector’s radiused polygon female shape matches the vehicle harness for a secure fit. It is recommended to inspect wiring for damage and replace any worn components to maintain sensor performance. Use anti-seize compound on the threads if specified by the vehicle manufacturer.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM standards for emission control components. The 350-34521 sensor undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship, supporting reliable operation in Pontiac G8 applications.