Walker 350-34525 Oxygen Sensor

Overview of Walker 350-34525 Oxygen Sensor

The Walker 350-34525 oxygen sensor is designed specifically for select Buick, Cadillac, Chevrolet, GMC, Oldsmobile, 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 warm-up and accurate readings
• Specific fitment for various GM vehicles including Silverado, Tahoe, and Escalade
• 12.32-inch wiring harness length with 4 wires and 20 gauge measurement
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon female connector for reliable electrical connection
• Overall length of 15.87 inches for proper fitment in designated locations

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes precise fitment and durability, ensuring that the 350-34525 oxygen sensor integrates seamlessly with the vehicle’s existing systems for consistent performance and emissions compliance.

Product Description and Attributes

The Walker 350-34525 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions during cold starts. The sensor includes a 12.32-inch wiring harness with four 20-gauge wires, designed to maintain signal integrity and withstand automotive conditions. Its radiused polygon female connector ensures a secure and corrosion-resistant connection. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. With an overall length of 15.87 inches, this sensor fits precisely in the designated sensor port on compatible GM vehicles.

Compatible Vehicles and Applications

• Buick models such as Century, LeSabre, and Skylark
• Cadillac models including DeVille, Eldorado, and Seville
• Chevrolet vehicles like Silverado 1500, Tahoe, and Impala
• GMC trucks including Sierra 1500, Yukon, and C1500
• Oldsmobile and Pontiac models such as Cutlass, Grand Prix, and Bonneville

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

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Apply anti-seize compound to the sensor threads if recommended by the vehicle manufacturer. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34525 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. Warranty coverage details should be confirmed with the product documentation or supplier.