Walker 350-34596 Oxygen Sensor

Overview of Walker 350-34596 Oxygen Sensor

The Walker 350-34596 oxygen sensor is designed specifically for select Buick, Cadillac, Chevrolet, GMC, and Pontiac models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated sensor type for faster response times
• Specific fit for various GM vehicles including Escalade, Sierra, and Silverado
• 13.31-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 16.85 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 exact vehicle specifications. The line emphasizes precise fitment and quality construction, ensuring compatibility and durability for replacement sensors like the 350-34596.

Product Description and Attributes

The Walker 350-34596 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission readings shortly after engine start. It includes a 13.31-inch wiring harness with 20 gauge wires arranged in a four-wire setup, which supports both sensor heating and signal transmission. The connector is a radiused polygon male type, designed to match factory wiring harnesses for a secure connection. The sensor mounts via a threaded fitting with an 18.0 mm diameter, ensuring a tight and leak-free installation. With an overall length of 16.85 inches, this sensor fits precisely in the exhaust system of compatible vehicles.

Compatible Vehicles and Applications

• Buick Allure and LaCrosse
• Cadillac Escalade and Escalade EXT
• Chevrolet Avalanche 2500, C2500, C3500, Express 3500, Silverado 1500 HD, 2500, 2500 HD, 3500, Suburban 2500
• GMC Sierra 1500, 1500 HD, 2500, 2500 HD, 3500, Yukon, Yukon XL 1500, Yukon XL 2500, K2500, K3500, Savana 3500
• Pontiac Grand Prix

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

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully using an appropriate oxygen sensor socket. Verify the connector type matches the factory harness before installation. Thread the new sensor by hand initially to avoid cross-threading, then tighten to manufacturer torque specifications. Reconnect the wiring harness securely to the radiused polygon male connector. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 350-34596 part undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.