Walker 350-34633 Oxygen Sensor

Overview of Walker 350-34633 Oxygen Sensor

The Walker 350-34633 oxygen sensor is designed specifically for select Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn 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 multiple GM vehicles including Chevrolet Silverado and Cadillac SRX
• 19.21-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 22.76 inches for proper installation

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications of your vehicle’s original equipment. The heated sensor element allows the sensor to reach operating temperature quickly, improving emissions control during cold starts. The 4-wire design includes a heater circuit and signal wires, ensuring reliable sensor operation. The 19.21-inch wiring harness length and radiused polygon female connector provide a precise fit and secure electrical connection. Threaded mounting with an 18.0 mm diameter ensures compatibility with the exhaust system of specific GM models such as the Chevrolet Avalanche 2500, Buick LaCrosse, and GMC Sierra 3500 HD.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of GM vehicles, including but not limited to:

• Buick Allure, LaCrosse, Regal, Verano
• Cadillac SRX, STS
• Chevrolet Avalanche 2500, Corvette, Equinox, Express 2500/3500, G6, HHR, Impala, Malibu, Silverado 2500 HD/3500 HD, Suburban 2500
• GMC Sierra 2500 HD/3500 HD, Savana 2500/3500, Terrain, Yukon XL 2500
• Pontiac G6
• Saturn Aura

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Rough engine idle or hesitation during acceleration
• Failed emissions tests related to sensor malfunction
• Increased exhaust emissions and potential catalytic converter damage

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded removal and installation
• Verify connector type matches the vehicle’s wiring harness (radiused polygon female connector)
• Do not over-tighten; torque to manufacturer specifications
• Inspect wiring harness for damage before installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The 350-34633 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 your purchase.