Walker 250-25038 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-25038

The Walker Products OE Oxygen Sensor 250-25038 is designed specifically for select Audi and Cadillac models, including the Audi S5 and S6, and Cadillac CTS, SRX, and STS. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated oxygen sensor with 5-wire configuration
• Specific fit for Audi and Cadillac models
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wiring harness length of 13.31 inches and overall length of 16.85 inches
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The 5-wire design supports accurate data transmission to the vehicle’s engine control unit. The sensor is designed with a radiused polygon male connector, ensuring a secure and precise fit. With a wiring harness length of 13.31 inches and an overall length of 16.85 inches, this sensor fits perfectly in the exhaust system of compatible Audi and Cadillac vehicles. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a tight seal.

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. The OE line is engineered to provide reliable emissions control solutions tailored to specific vehicle applications, such as the Audi S5 and Cadillac CTS.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate exhaust gas readings
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 250-25038 sensor into the exhaust manifold or pipe. Ensure the connector matches the radiused polygon male design for proper connection. Use appropriate tools to avoid damaging the 18.0 mm threaded fitting. Verify wiring harness length and routing to prevent strain or interference with other components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. This sensor is designed to provide consistent operation throughout its service life in compatible Audi and Cadillac vehicles.