Walker 350-34047 Oxygen Sensor - Upstream

Overview of Walker 350-34047 Oxygen Sensor

The Walker 350-34047 oxygen sensor is designed specifically for select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab 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 models including Chevrolet Trailblazer, GMC Envoy, and Buick Rainier
• 16.46-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with an 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 20.0 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34047) is engineered to meet the exact specifications of your vehicle’s emission control system. Featuring a heated sensor element, it reduces warm-up time, allowing the engine control unit to adjust fuel delivery more quickly and efficiently. The sensor includes a 16.46-inch wiring harness with four 20-gauge wires, ensuring reliable electrical connectivity. Its radiused polygon female connector and threaded mounting type with an 18.0 mm diameter provide a secure and precise fit. The overall length of 20.0 inches accommodates the sensor’s placement within the exhaust system of specific Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models such as the Chevrolet Colorado and GMC Canyon.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide reliable performance and durability for specific vehicle applications. By adhering to strict manufacturing and quality control processes, Walker ensures that this sensor integrates seamlessly with your vehicle’s existing systems.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps reduce harmful emissions by maintaining proper combustion
• Resolves engine performance issues such as rough idling or hesitation
• Prevents check engine light triggers related to oxygen sensor faults
• Supports compliance with emissions testing requirements

Installation Notes and Tips

Installation of the Walker 350-34047 oxygen sensor requires removal of the old sensor from the exhaust manifold or pipe. Ensure the threaded mounting hole is clean and free of debris before installation. The radiused polygon female connector should be securely connected to the vehicle’s wiring harness. Use appropriate tools to avoid damaging the sensor or connector during installation. It is recommended to verify compatibility with your specific vehicle model before installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet industry standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms related to part number 350-34047.