Walker 250-24998 Oxygen Sensor - Downstream Rear

Overview of Walker 250-24998 Oxygen Sensor

The Walker 250-24998 oxygen sensor is designed specifically for select Ford and Lincoln vehicles, including the Explorer, Flex, MKS, MKT, and Taurus models. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance.

• Heated oxygen sensor for accurate emissions control
• Specific fit for Ford and Lincoln models: Explorer, Flex, MKS, MKT, Taurus
• 15.28-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 18.82 inches for proper installation

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24998) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The 4-wire design includes a 20 gauge wire gauge measurement, which supports reliable signal transmission and heater circuit operation. The wiring harness length of 15.28 inches allows for flexible routing during installation. The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure and leak-free fit in the exhaust system. The radiused polygon female connector is designed to match factory specifications, reducing the risk of connection issues.

Walker Products OE Line Information

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of that line, providing a direct replacement solution that maintains the integrity of the vehicle’s emissions system. Using a Walker Products OE sensor helps ensure compatibility and durability consistent with factory standards.

Common Applications and Problem Resolution

• Restores proper oxygen sensing for accurate air-fuel mixture readings
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel economy by ensuring correct emissions feedback
• Reduces exhaust emissions by maintaining sensor accuracy
• Prevents rough idling and engine performance problems caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24998 oxygen sensor, ensure the vehicle is compatible with the specified Ford and Lincoln models. Use appropriate tools to avoid damaging the threaded mounting or connector. Verify the wiring harness length and connector type match the vehicle’s factory setup. It is recommended to inspect the exhaust port for debris before installation to ensure a proper seal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports long-term vehicle reliability.