Walker 250-25114 Oxygen Sensor - Upstream

Overview of Walker 250-25114 Oxygen Sensor for Audi A8 Quattro

The Walker 250-25114 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 for accurate emissions monitoring
• Specific fit for Audi A8 Quattro models
• 33.07-inch wiring harness length with 5 wires
• 20 gauge wire measurement for durability
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 35.43 inches for proper fitment

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-25114) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor includes a 33.07-inch wiring harness with five 20-gauge wires, allowing for stable electrical signals and compatibility with the vehicle’s emission system. The radiused polygon male connector ensures a secure and precise connection, reducing the risk of electrical faults. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system of the Audi A8 Quattro. The overall length of 35.43 inches is designed to fit the specific routing requirements of this vehicle model.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, providing a direct replacement solution for emission control sensors in the Audi A8 Quattro. Walker Products OE parts are designed to integrate seamlessly with the vehicle’s existing systems, ensuring reliable performance and compliance with emission standards.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel economy by providing precise emissions data
• Reduces harmful exhaust emissions by maintaining sensor functionality
• Prevents engine performance problems caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Walker 250-25114 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Carefully connect the radiused polygon male connector to the vehicle’s wiring harness, verifying a secure fit. Follow the Audi A8 Quattro service manual for torque specifications and sensor location to ensure proper installation and sensor operation.

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. This part number 250-25114 is backed by Walker’s quality assurance protocols, providing confidence in its reliability for emission control applications on the Audi A8 Quattro.