Walker 250-24699 Oxygen Sensor - Downstream, Downstream Rear or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-24699

The Walker Products OE Oxygen Sensor 250-24699 is designed specifically for select Audi, Porsche, and Volkswagen models. 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 design for reliable operation
• Specific fitment for Audi A3, A3 Quattro, Porsche Cayenne, Volkswagen GTI, Jetta, R32, and more
• 18.23-inch wiring harness length with 22-gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon male connector for proper electrical connection
• Overall length of 21.77 inches to accommodate factory specifications

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications of various Audi, Porsche, and Volkswagen vehicles, including models such as the Audi S6, S8, RS4, and the Volkswagen Touareg and Eos. The sensor features a heated element that allows it to reach operating temperature quickly, improving emissions control during cold starts. The 4-wire configuration includes two wires for the heating element and two for the sensor signal, ensuring accurate and stable readings.

The wiring harness length of 18.23 inches and 22-gauge wire gauge measurement provide a balance of flexibility and durability, while the radiused polygon male connector ensures a secure and precise fit with the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation, maintaining factory fitment standards. The overall length of 21.77 inches supports proper placement within the exhaust system.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed OEM specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed components. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emissions system and supports compliance with environmental regulations.

Common Applications and Issues Addressed

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

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Walker 250-24699 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness with its radiused polygon male design. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Verify the wiring harness length and connector orientation before installation to avoid strain or misalignment.

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 product documentation for exact warranty terms.