Walker 350-34321 Oxygen Sensor - Downstream

Overview of Walker 350-34321 Oxygen Sensor

The Walker 350-34321 oxygen sensor is designed specifically for select Chevrolet and Pontiac models, including the Aveo, Aveo5, Beat, G3, and G3 Wave. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Chevrolet Aveo, Aveo5, Pontiac Beat, G3, and G3 Wave
• 16.26-inch wiring harness length with 22 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 19.8 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 350-34321.

Product Features and Specifications

The Walker 350-34321 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 16.26-inch wiring harness with 22 gauge wires arranged in a four-wire setup, which supports accurate signal transmission and heater circuit operation. The sensor’s connector is a radiused polygon male type, designed for secure and proper connection. Its threaded mounting style with an 18.0 mm diameter ensures a tight fit in the exhaust system. The overall length of 19.8 inches accommodates installation requirements for the specified Chevrolet and Pontiac models.

Compatible Vehicles and Applications

• Chevrolet Aveo
• Chevrolet Aveo5
• Pontiac Beat
• Pontiac G3
• Pontiac G3 Wave

This oxygen sensor is engineered to replace the factory sensor in these vehicles, maintaining emission standards and engine efficiency.

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 failure
• Engine performance problems such as rough idling or hesitation
• Failed emissions tests related to sensor malfunction

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 350-34321 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness with its radiused polygon male design. Use proper torque on the 18.0 mm threaded mount to avoid damage. The 16.26-inch wiring harness length provides flexibility for routing during installation. It is recommended to verify sensor compatibility with the specific Chevrolet or Pontiac model before installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet OEM specifications for fit and function. The 350-34321 sensor undergoes quality control testing to ensure reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.