Walker 350-64040 Oxygen Sensor - Upstream

Overview of Walker 350-64040 Oxygen Sensor for Acura and Honda

The Walker 350-64040 oxygen sensor is designed specifically for select Acura and Honda models, including the CR-V, Element, and RSX. 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 oxygen sensor with 4-wire configuration
• Specific fit for Acura CR-V, Honda Element, and RSX
• 12.32-inch wiring harness length for proper installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 15.87 inches for compatibility
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description and Attributes

This Walker oxygen sensor (part number 350-64040) features a heated sensor element that allows for faster warm-up times and improved emissions monitoring. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation. The sensor’s wiring harness length of 12.32 inches and overall length of 15.87 inches provide the necessary reach and fitment for the specified Acura and Honda models. The threaded mounting type with an 18.0 mm diameter allows for secure installation in the exhaust system. The radiused polygon male connector ensures a precise and stable electrical connection, reducing the risk of signal loss or disconnection during operation.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line offers replacement emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a direct-fit solution for Acura and Honda vehicles that require precise sensor performance and durability. Walker’s focus on quality and fitment ensures that the 350-64040 oxygen sensor integrates seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control units
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring proper catalytic converter function
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Walker 350-64040 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the radiused polygon male connector matches the vehicle’s wiring harness for a secure fit. Thread the sensor carefully into the exhaust port to prevent cross-threading. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using the Walker 350-64040 oxygen sensor helps maintain compliance with emissions regulations and supports reliable vehicle operation.