Walker 350-34466 Oxygen Sensor - Upstream

Overview of Walker 350-34466 Oxygen Sensor

The Walker 350-34466 oxygen sensor is designed specifically for select Buick, Cadillac, and Chevrolet models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Buick Cruze, Cruze Limited, Cadillac ELR, Encore, Chevrolet Sonic, Trax, and Volt
• 18.23-inch wiring harness length with 22 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 21.77 inches for precise installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34466) is engineered to meet the exact specifications of your vehicle’s emission system. The heated sensor design allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The four-wire setup includes a radiused polygon male connector, ensuring a secure and reliable electrical connection. With a wiring harness length of 18.23 inches and an overall length of 21.77 inches, this sensor fits seamlessly into the exhaust system of compatible Buick, Cadillac, and Chevrolet models.

Walker Products Aftermarket is a dedicated product line focused on providing reliable replacement parts that meet or exceed OEM standards. This oxygen sensor is part of their emission control sensors category, designed to maintain proper air-fuel mixture readings and support your vehicle’s emission compliance.

Compatible Vehicles and Applications

• Buick Cruze and Cruze Limited
• Cadillac ELR and Encore
• Chevrolet Sonic, Trax, and Volt

This oxygen sensor is intended for use in emission control systems to monitor oxygen levels in the exhaust stream, helping the engine control module adjust fuel delivery for optimal combustion.

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
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance linked to inaccurate exhaust gas data

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 350-34466 sensor into the exhaust manifold or pipe. Ensure the connector matches the radiused polygon male type for proper connection. Use anti-seize compound on the 18.0 mm threaded portion to prevent seizing. Verify wiring harness length and routing to avoid damage during operation. Professional installation is recommended for accurate sensor placement and system calibration.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet stringent quality standards. The 350-34466 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.