Walker 350-34620 Oxygen Sensor

Reliable Oxygen Sensor for Select GM and Isuzu Vehicles

The Walker 350-34620 oxygen sensor is designed to provide accurate emissions monitoring for a range of Buick, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, and Saturn models. This heated oxygen sensor ensures optimal engine performance and emissions control by delivering precise air-fuel mixture data to the vehicle’s engine control unit.

• Heated oxygen sensor with 4 wires for efficient operation
• Specific fit for select Buick, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, and Saturn models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 13.31 inches and overall length of 16.85 inches
• 20 gauge wire for reliable signal transmission

Walker Products Aftermarket Line Overview

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 Walker Products Aftermarket sensors are engineered for durability and precise fitment, ensuring compatibility with specific vehicle makes and models, including the 350-34620 part number.

Detailed Product Description

The Walker 350-34620 oxygen sensor features a heated sensor element that allows for faster warm-up times and improved sensor response. With a 4-wire configuration and a radiused polygon male connector, this sensor is designed for a secure and reliable electrical connection. The threaded mounting type with an 18.0 mm diameter ensures proper installation and sealing in the exhaust system. The wiring harness length of 13.31 inches and overall length of 16.85 inches provide adequate reach for installation in compatible vehicles such as the Chevrolet Equinox, GMC Terrain, Buick LaCrosse, and Saturn Vue.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Improves fuel economy by providing precise sensor data to the engine control unit
• Eliminates rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

Installation of the Walker 350-34620 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. Use appropriate oxygen sensor socket tools to avoid damage. Ensure the threaded mounting is clean and free of debris before installation. Connect the radiused polygon male connector securely to the vehicle’s wiring harness. Verify the wiring harness length and connector type match the vehicle’s specifications for models such as the GMC Canyon or Pontiac G6.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-34620 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity.