Walker 250-25135 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-25135

The Walker Products OE Oxygen Sensor 250-25135 is designed specifically for select Ford and Lincoln vehicles, including models like the Ford F-150, Mustang, and Lincoln Corsair. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated sensor type for faster warm-up and accurate readings
• Specific fit for Ford and Lincoln models including Escape, Fusion, Ranger, and Transit series
• 18.23-inch wiring harness length with 5 wires of 20 gauge measurement
• Female connector with an 18mm thread diameter for secure installation
• Overall length of 21.77 inches for proper fitment

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The wiring harness length of 18.23 inches and 5-wire configuration with 20 gauge wires provide reliable electrical connections and signal transmission. The female connector and 18mm thread diameter ensure compatibility with the original equipment specifications on Ford and Lincoln vehicles. The overall length of 21.77 inches supports proper placement within the exhaust system for accurate sensing.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet or exceed original equipment standards. This oxygen sensor 250-25135 is part of that line, engineered to provide precise sensor performance and durability for specific vehicle applications. Using Walker Products OE parts helps maintain factory-level emissions compliance and engine management accuracy.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Ford F-150 and Mustang models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy and reduces exhaust emissions on Lincoln Corsair and Ford Escape
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Ensures accurate sensor feedback for transmission and engine control in Transit series vehicles

Installation Notes and Tips

Before installation, verify the part number 250-25135 matches the vehicle’s OEM specifications. Use appropriate tools to avoid damaging the 18mm threaded sensor body. Ensure the female connector is securely attached to the vehicle wiring harness. It is recommended to inspect the wiring harness for any damage or corrosion during replacement. Proper torque specifications should be followed to prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. This part undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.