Walker 250-25035 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-25035

The Walker Products OE Oxygen Sensor 250-25035 is designed for specific vehicle applications including Audi, BMW, Dodge, Ford, Hyundai, Kia, Lincoln, Porsche, Saab, and Volkswagen models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fit and reliable performance in emission control systems.

• Heated oxygen sensor with 5-wire configuration
• Specific fit for select Audi, BMW, Dodge, Ford, Hyundai, Kia, Lincoln, Porsche, Saab, and Volkswagen models
• 26.1-inch wiring harness length with 20-gauge wire
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 29.65 inches for proper installation

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-25035) is engineered to meet the exact specifications of the original equipment for a range of vehicles including the Audi A3, BMW 335d, Ford F-150, Volkswagen Golf, and Porsche 911 among others. The sensor’s heated design allows for faster activation and improved emissions monitoring. Featuring a 5-wire setup with 20-gauge wiring, it provides accurate oxygen level readings to the engine control unit. The 26.1-inch wiring harness length and radiused polygon male connector ensure a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter facilitates straightforward installation.

Compatible Vehicles and Applications

• Compatible with Audi models such as A3 and A3 Quattro
• Fits BMW 335d, 535d, and 535d xDrive
• Suitable for Ford F-150, Expedition, and Transit series
• Works with Volkswagen Golf, Golf R, GTI, Jetta, and Passat
• Also compatible with Porsche 911 and Cayenne, Hyundai Accent and Veloster, Kia Soul and Rio, Lincoln Navigator, Dodge Attitude, Saab 9-3, and others

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle harness before installation. The 26.1-inch wiring harness length provides flexibility for routing, but avoid sharp bends or pinching. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. This part number 250-25035 undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.