Walker 250-24263 Oxygen Sensor - Downstream Rear or Upstream

Overview of Walker 250-24263 Oxygen Sensor for Audi and Volkswagen

The Walker 250-24263 oxygen sensor is designed specifically for select Audi and Volkswagen models, including the R32 and TT Quattro. 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 wires for reliable operation
• Specific fit for Audi R32 and Volkswagen TT Quattro models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 11.34 inches and overall length of 14.88 inches
• Wire gauge measurement of 22 for durability and signal integrity

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24263) features a heated sensor element that allows for faster warm-up times and improved sensor responsiveness. The sensor includes four wires, which support both the heating element and signal transmission. Its radiused polygon male connector ensures a precise and secure fit, reducing the risk of electrical issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system. With a wiring harness length of 11.34 inches and an overall length of 14.88 inches, this sensor is engineered to fit the specific routing and space requirements of the Audi R32 and Volkswagen TT Quattro.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed components. Choosing a Walker Products OE sensor helps maintain the integrity of your vehicle’s emission control system while supporting proper engine function.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter operation
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 250-24263 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the connector type matches the vehicle harness before installation. Properly torque the sensor to manufacturer specifications to prevent exhaust leaks. Verify wiring harness routing to avoid contact with hot or moving parts.

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. 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.