Walker 250-241181 Oxygen Sensor - Downstream

Overview of Walker 250-241181 Oxygen Sensor for Audi A8 Quattro

The Walker Products OE 250-241181 oxygen sensor is designed specifically for the Audi A8 Quattro, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Audi A8 Quattro models
• Threaded mounting with 18.0 mm thread diameter
• Connector features a radiused polygon shape and male gender
• Wiring harness length of 25.39 inches and overall length of 28.54 inches
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

The Walker Products OE 250-241181 oxygen sensor is engineered to meet the exact specifications required by the Audi A8 Quattro. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for maintaining proper air-fuel mixture and reducing emissions. The sensor includes four wires, allowing for reliable signal transmission and heater control. Its threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. The connector is designed with a radiused polygon shape and male gender, facilitating a precise and stable electrical connection. With a wiring harness length of 25.39 inches and an overall length of 28.54 inches, this sensor fits seamlessly within the vehicle’s emission control system.

Walker Products OE Brand Line

Walker Products OE represents Walker’s commitment to providing original equipment quality parts that meet or exceed OEM standards. This product line focuses on delivering components that are engineered for specific vehicle applications, such as the Audi A8 Quattro, ensuring compatibility and reliable performance. The 250-241181 oxygen sensor is part of this line, offering a direct replacement solution that maintains factory specifications.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect oxygen sensor readings
• Addresses rough engine idle and hesitation due to faulty sensor signals
• Reduces increased emissions and failed emissions tests
• Prevents check engine light triggers related to oxygen sensor faults
• Supports proper catalytic converter function by providing accurate data

Installation Notes and Tips

When installing the Walker 250-241181 oxygen sensor on an Audi A8 Quattro, ensure the sensor threads are clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Connect the wiring harness securely to the radiused polygon male connector, verifying proper alignment. It is advisable to check for any exhaust leaks after installation to maintain sensor accuracy.

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 250-241181 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This oxygen sensor is designed to provide consistent operation within the emission control system of the Audi A8 Quattro.