Walker 250-25077 Oxygen Sensor - Upstream Left

Overview of Walker Products OE Oxygen Sensor 250-25077

The Walker Products OE Oxygen Sensor 250-25077 is designed specifically for select Ford, Lincoln, and Porsche models, including the Aviator, Explorer, and Macan. This heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 5-wire configuration
• Specific fit for Ford Aviator, Lincoln Aviator, Ford Explorer, and Porsche Macan
• 35.03 inches wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• 20 gauge wire for reliable signal transmission
• Overall length of 41.33 inches for proper fitment

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-25077) features a heated sensor type that allows for faster warm-up times and improved emission readings. The 5-wire design supports accurate data transmission to the vehicle’s engine control unit. The sensor’s wiring harness length of 35.03 inches and overall length of 41.33 inches provide sufficient reach for installation in the exhaust system of compatible vehicles. The threaded mounting type with an 18.0 mm diameter ensures a secure fit, while the radiused polygon male connector offers a reliable electrical connection. The 20 gauge wire measurement balances durability and flexibility, making this sensor suitable for specific Ford, Lincoln, and Porsche models.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality emission control components. This oxygen sensor is engineered to meet or exceed OEM specifications, ensuring compatibility and performance consistent with factory-installed parts. The OE line emphasizes precise fitment and reliable operation, making it a suitable replacement for the Ford Aviator, Lincoln Aviator, Ford Explorer, and Porsche Macan.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Ford Aviator and Explorer models
• Restores proper air-fuel mixture readings to reduce emissions
• Helps resolve engine performance issues such as rough idling or hesitation
• Prevents check engine light triggers related to oxygen sensor faults
• Supports compliance with emission regulations for Porsche Macan vehicles

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-25077, ensure the vehicle is cool to avoid burns. Use appropriate 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 35.03-inch wiring harness length allows for flexible routing, but avoid sharp bends or contact with hot exhaust components. Torque the sensor to manufacturer specifications to ensure a proper seal and function.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. While specific warranty details for part number 250-25077 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s reliability for Ford, Lincoln, and Porsche applications.