Walker 250-25050 Oxygen Sensor - Upstream

Overview of Walker 250-25050 Oxygen Sensor

The Walker 250-25050 oxygen sensor is designed specifically for select Audi and Ford models, including the Audi A8 Quattro and Ford Escape. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor for faster response times
• Specific fit for Audi A8 Quattro and Ford Escape
• 33.98-inch wiring harness length for precise installation
• 20-gauge wire measurement with 5 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 37.52 inches for proper fitment

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-25050) features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a 33.98-inch wiring harness with 20-gauge wires, providing durability and consistent electrical performance. Its radiused polygon male connector ensures a secure and precise fit, minimizing the risk of connection issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems.

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is engineered to match the exact fit and function required by Audi and Ford vehicles, ensuring reliable operation and compliance with emissions standards.

Compatible Vehicles and Applications

• Compatible with Audi A8 Quattro models requiring a specific heated oxygen sensor
• Designed for Ford Escape models needing a precise fit oxygen sensor
• Used in emission control systems to monitor and regulate exhaust gases
• Helps address issues such as poor fuel economy, rough idling, and failed emissions tests
• Supports engine management systems by providing accurate oxygen level data

Installation Notes and Tips

When installing the Walker 250-25050 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the wiring harness or connector. The 33.98-inch wiring harness length provides flexibility during installation, but verify routing to prevent contact with hot or moving parts. Thread the sensor carefully into the exhaust port using the 18.0 mm thread diameter to avoid cross-threading. Confirm the radiused polygon male connector is fully seated for proper electrical connection.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. This part number 250-25050 undergoes rigorous testing to comply with emissions regulations and OEM fitment requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Audi and Ford vehicles.