Walker 350-34423 Oxygen Sensor

Overview of Walker 350-34423 Oxygen Sensor

The Walker 350-34423 oxygen sensor is designed for specific fitment in select GM and related vehicles, including Cadillac Escalade and Chevrolet Silverado 1500. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fitment for Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saturn models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure electrical connection
• Wiring harness length of 14.49 inches and overall length of 18.03 inches
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34423) is engineered to meet the exact specifications required by various GM and related vehicles. Featuring a heated sensor type, it provides faster warm-up times and more accurate oxygen level readings compared to unheated sensors. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring reliable operation under diverse driving conditions.

The sensor’s threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. Its radiused polygon female connector ensures a secure and corrosion-resistant electrical connection, reducing the risk of signal loss. With a wiring harness length of 14.49 inches and an overall length of 18.03 inches, this sensor fits precisely in the designated locations on vehicles such as the Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra 1500.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a reliable solution for maintaining emissions compliance and engine efficiency in specific vehicle applications. The product line emphasizes fitment accuracy and durability, supporting a wide range of GM and related models.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for improved fuel economy
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring accurate exhaust gas monitoring
• Prevents rough idling and engine performance issues caused by faulty sensors
• Supports proper catalytic converter function by providing accurate data

Installation Notes and Tips

Installation requires removal of the old oxygen sensor from the exhaust manifold or pipe. Use an oxygen sensor socket or appropriate wrench to avoid damage. Ensure the connector matches the radiused polygon female design for proper electrical connection. Avoid twisting or pulling on the wiring harness to prevent damage. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure 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 350-34423.