Walker 350-34551 Oxygen Sensor

Overview of Walker 350-34551 Oxygen Sensor

The Walker 350-34551 oxygen sensor is designed for precise emission control in select Buick, Cadillac, Chevrolet, GMC, Hummer, and Saab vehicles. This heated oxygen sensor features a specific fitment to ensure optimal performance and compatibility with various models including the Chevrolet Silverado 1500 and Cadillac Escalade.

• Heated oxygen sensor with 4-wire design for accurate readings
• 12.52-inch wiring harness length for flexible installation
• 20 gauge wire measurement ensuring durability and signal integrity
• Threaded mounting type with 18.0 mm thread diameter for secure fit
• Radiused polygon male connector for reliable electrical connection
• Overall length of 16.06 inches for proper sensor placement

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34551) is engineered to meet the specific requirements of emission control systems in a range of vehicles. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. With a 4-wire configuration and 20 gauge wiring, this sensor provides stable and accurate oxygen level readings to the engine control unit. The 12.52-inch wiring harness length offers sufficient reach for installation in tight engine compartments, while the radiused polygon male connector ensures a secure and corrosion-resistant connection. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement in compatible models.

Compatible Vehicles and Applications

This oxygen sensor is specifically compatible with various Buick, Cadillac, Chevrolet, GMC, Hummer, and Saab models. Notable fitments include the Chevrolet Silverado 1500, Cadillac Escalade, GMC Sierra 2500 HD, and Saab 9-5. It is designed to maintain proper air-fuel mixture readings and support emission control systems in these vehicles.

• Helps resolve issues with poor fuel economy
• Addresses rough engine idle and hesitation
• Corrects check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and emissions compliance

Installation Notes and Tips

When installing the Walker 350-34551 oxygen sensor, ensure the engine is cool 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. The 12.52-inch wiring harness length provides flexibility, but routing should avoid excessive heat or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM specifications. The 350-34551 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance in emission control applications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in compatible Buick, Cadillac, Chevrolet, GMC, Hummer, and Saab vehicles.