Walker 350-35025 Oxygen Sensor - Upstream

Overview of Walker 350-35025 Oxygen Sensor

The Walker 350-35025 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 sensor type for faster activation
• Specific fit for Audi A8 Quattro and Ford Escape
• 33.98-inch wiring harness length for precise installation
• 20 gauge wire with 5-wire configuration
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 37.52 inches for proper fitment

Detailed Product Description

The Walker 350-35025 oxygen sensor is a heated sensor designed to provide reliable emissions feedback to the engine control unit. Its 5-wire configuration and 20 gauge wire ensure consistent signal transmission and durability. The sensor features a radiused polygon male connector, which offers a secure and precise connection to the vehicle’s wiring harness. With a wiring harness length of 33.98 inches and an overall length of 37.52 inches, this sensor is engineered for a specific fitment, making it compatible with the Audi A8 Quattro and Ford Escape models. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and secure placement in the exhaust system.

Walker Products Aftermarket Line

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The product line emphasizes precise fitment and quality construction to meet or exceed OEM standards, ensuring that parts like the 350-35025 oxygen sensor maintain proper engine function and emissions compliance for Audi and Ford vehicles.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers caused by sensor failure
• Improves fuel economy by ensuring correct sensor feedback

Installation Notes and Tips

When installing the Walker 350-35025 oxygen sensor, ensure the vehicle is cooled down to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness—this sensor uses a radiused polygon male connector. Properly route the wiring harness to prevent contact with hot exhaust components or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-35025 sensor undergoes rigorous testing to ensure durability and accurate performance under various operating conditions. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship, supporting long-term reliability for Audi A8 Quattro and Ford Escape owners.