Walker 250-25030 Oxygen Sensor - Upstream

Overview of Walker 250-25030 Oxygen Sensor for Audi S6 and S8

The Walker 250-25030 oxygen sensor is designed specifically for Audi S6 and S8 models, 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 S6 and S8 models
• 16.26-inch wiring harness length with 5 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 19.8 inches for proper fitment

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-25030) is engineered with a 16.26-inch wiring harness and five 20-gauge wires, providing robust electrical connectivity and signal transmission. The heated sensor type allows for faster warm-up times, improving emission readings shortly after engine start. Its threaded mounting with an 18.0 mm diameter ensures a secure and precise fit in the exhaust system. The radiused polygon male connector is designed to match factory specifications, reducing installation errors and ensuring compatibility with the vehicle’s wiring harness.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor is part of that line, offering reliable performance and durability tailored to specific vehicle applications like the Audi S6 and S8. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emission control system.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for engine control units
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing correct air-fuel mixture data
• Reduces harmful emissions by ensuring proper catalytic converter function
• Prevents drivability problems caused by faulty sensor signals

Installation Notes and Tips

When installing the Walker 250-25030 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. Connect the radiused polygon male connector firmly to the vehicle’s wiring harness to avoid signal interruptions. Verify the wiring harness length of 16.26 inches is sufficient for your installation location.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and longevity. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports vehicle performance.