Walker 250-54038 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-54038

The Walker Products OE Oxygen Sensor 250-54038 is designed specifically for select Acura and Honda models, including the Accord, Civic, CR-V, CR-Z, Crosstour, Fit, ILX, Insight, and TLX. This heated oxygen sensor provides precise emissions control by accurately monitoring exhaust gases to optimize engine performance and fuel efficiency.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Acura and Honda vehicles ensuring proper installation
• Threaded mounting type with 18.0 mm thread diameter for secure attachment
• 11.34-inch wiring harness length with 20-gauge wires for optimal connectivity
• Radiused polygon male connector for precise electrical connection
• Overall length of 14.88 inches for correct positioning in exhaust system

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor from the Walker Products OE series is engineered to provide consistent performance and durability, matching the exact fit and function required by Acura and Honda vehicles. Using parts from this line helps maintain the integrity of the vehicle’s emission control system.

Technical Description and Attributes

This oxygen sensor features a heated sensor type, which allows it to reach operating temperature quickly for accurate readings shortly after engine start. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, improving responsiveness and reliability. The sensor’s 18.0 mm threaded mounting ensures a secure fit in the exhaust manifold or pipe. The wiring harness length of 11.34 inches and overall length of 14.88 inches are designed to match the specific routing and connection points on compatible Acura and Honda models. The radiused polygon male connector provides a secure and precise electrical connection, reducing the risk of signal loss or corrosion.

Common Applications and Problem Resolution

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

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 250-54038 sensor into the exhaust system at the designated port. Ensure the connector matches the vehicle’s wiring harness and that the sensor is tightened to manufacturer torque specifications. Avoid damaging the wiring harness during installation and verify the connector is fully seated to prevent electrical issues. It is recommended to use anti-seize compound on the threads if not pre-applied to facilitate future removal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. This part number 250-54038 is backed by Walker’s quality assurance protocols, providing confidence in its fit and function for Acura and Honda vehicles. Warranty details are available through the manufacturer and typically cover defects in materials and workmanship.