Walker 250-25056 Oxygen Sensor - Upstream Front or Upstream Rear

Overview of Walker 250-25056 Oxygen Sensor for Acura and Honda

The Walker 250-25056 oxygen sensor is designed specifically for select Acura and Honda models, including the MDX, Odyssey, and RL. 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 5-wire configuration
• Specific fit for Acura MDX, Honda Odyssey, and Honda RL
• 9.37-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 12.91 inches for compatibility
• 20 gauge wire for reliable signal transmission

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-25056 oxygen sensor is part of this line, ensuring it matches the exact fit and function required by Acura and Honda vehicles. This product line emphasizes durability and precise sensor performance to maintain emission standards and engine efficiency.

Product Features and Specifications

This oxygen sensor features a heated sensor type that allows for faster warm-up times and improved sensor response. The 5-wire design supports accurate signal transmission and heater control. The wiring harness length of 9.37 inches and overall length of 12.91 inches provide the necessary reach and fit for the specified vehicle models. The sensor mounts via a threaded connection with an 18.0 mm diameter, ensuring secure installation. The radiused polygon male connector is designed for a precise and reliable electrical connection, reducing the risk of signal loss or disconnection.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Acura MDX, Honda Odyssey, and Honda RL
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and pass state inspections
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing accurate sensor data

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and install the Walker 250-25056 oxygen sensor by threading it securely into place. Connect the radiused polygon male connector firmly to the vehicle’s wiring harness. Verify the wiring harness length and connector type match the vehicle’s specifications to avoid fitment issues. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-25056 part number undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.