Walker 250-24726 Oxygen Sensor - Downstream Left

Overview of Walker Products OE Oxygen Sensor 250-24726

The Walker Products OE Oxygen Sensor 250-24726 is designed specifically for select Audi, Porsche, and Volkswagen models, including the Cayenne, Q7, and Touareg. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Audi Cayenne, Porsche Cayenne, Volkswagen Q7, and Touareg
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Radiused polygon male connector for proper electrical connection
• Wiring harness length of 49.72 inches and overall length of 53.27 inches
• Wire gauge measurement of 22 for durability and signal integrity

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24726) is engineered to meet the exact specifications of the original equipment for Audi, Porsche, and Volkswagen vehicles. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor includes a 4-wire configuration, which supports both the heating element and signal transmission, ensuring consistent performance under various driving conditions.

The sensor’s threaded mounting type with an 18.0 mm diameter allows for a secure and precise fit in the exhaust system. Its radiused polygon male connector is designed to match the factory wiring harness, simplifying installation and reducing the risk of connection issues. With a wiring harness length of 49.72 inches and an overall length of 53.27 inches, this sensor accommodates the specific routing requirements of the compatible vehicles.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet or exceed original equipment standards. This oxygen sensor is part of that line, ensuring compatibility and reliable performance for Audi, Porsche, and Volkswagen models. The OE designation indicates that the sensor is manufactured to the same specifications as the original part, supporting proper emissions function and engine management.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by maintaining proper combustion
• Prevents engine performance issues caused by faulty sensor signals
• Supports proper operation of catalytic converters and emission systems

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24726, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the factory harness to ensure a secure electrical connection. Follow torque specifications to prevent sensor damage or exhaust leaks. It is recommended to inspect wiring and connectors for corrosion or damage before installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-24726 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This oxygen sensor supports compliance with emissions regulations and contributes to maintaining vehicle performance.