Walker 250-25026 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-25026

The Walker Products OE Oxygen Sensor 250-25026 is designed for precise emission control in select Audi, Ford, and Volkswagen vehicles. This heated oxygen sensor features a specific fitment to ensure optimal performance and compatibility with models like the Audi A3 Quattro and Ford Transit series.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fitment for Audi, Ford, and Volkswagen vehicles
• 29.06-inch wiring harness length with 5 wires
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• 20 gauge wire for reliable signal transmission
• Overall length of 32.6 inches for proper installation

Detailed Product Description

The Walker Products OE line offers high-quality emission control components engineered to meet original equipment specifications. The 250-25026 oxygen sensor is a heated sensor type, which allows it to reach operating temperature quickly for faster and more accurate readings. It features a 29.06-inch wiring harness with five wires, providing the necessary connections for sensor operation and heater control. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The radiused polygon male connector is designed for a precise and reliable electrical connection, reducing the risk of signal loss or disconnection. With an overall length of 32.6 inches, this sensor is tailored for specific vehicle applications, including the Audi A3 Quattro, Volkswagen R32, and Ford Transit-350 HD.

Compatible Vehicles and Applications

• Audi A3 Quattro, S6, TT RS Quattro
• Ford Transit-150, Transit-250, Transit-350, Transit-350 HD
• Volkswagen Eos, Phaeton, R32

This oxygen sensor is designed to maintain proper air-fuel mixture control and reduce harmful emissions in these specific models, ensuring compliance with emission standards and optimal engine performance.

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor readings
• Increased emissions due to sensor malfunction
• Engine performance issues related to improper sensor feedback
• Failed emissions tests due to sensor degradation

Installation Notes and Tips

Ensure the vehicle is cooled down before removing the old oxygen sensor to avoid burns. Use the correct tools to avoid damaging the threaded mounting. Verify the connector shape and gender match the vehicle’s wiring harness for a secure fit. The 29.06-inch wiring harness length provides flexibility during installation but avoid excessive bending or pulling of wires. Follow manufacturer torque specifications when installing the sensor to prevent leaks or damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The 250-25026 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, Walker typically offers coverage consistent with industry standards for emission control components.