Walker 250-24015 Oxygen Sensor - Upstream, Upstream Front or Upstream Rear

Overview of Walker 250-24015 Oxygen Sensor

The Walker 250-24015 oxygen sensor is designed specifically for select Ford and Mercury vehicles, including the Contour, Cougar, and Mystique models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Ford Contour, Mercury Cougar, and Mystique
• 12.32-inch wiring harness length for proper installation
• 20 gauge wire measurement ensuring durability and signal integrity
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 15.87 inches for correct fitment

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24015) is engineered to meet the exact specifications of your vehicle’s original equipment. Featuring a heated sensor type, it quickly reaches operating temperature to provide accurate oxygen level readings. The 4-wire configuration supports both the sensor signal and heater circuit, improving response time and reducing emissions. The radiused polygon male connector ensures a secure and precise fit, while the 18.0 mm threaded mounting type allows for straightforward installation. With a wiring harness length of 12.32 inches and an overall length of 15.87 inches, this sensor is tailored for the Ford Contour, Mercury Cougar, and Mystique models, ensuring compatibility and reliable performance.

Walker Products OE Brand Line

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

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces vehicle emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 250-24015 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct 18.0 mm oxygen sensor socket for removal and installation. Verify the radiused polygon male connector aligns properly with the vehicle harness to avoid damage. Confirm the wiring harness length and overall sensor length match the original part to ensure proper fitment on Ford Contour, Mercury Cougar, or Mystique models.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this part helps maintain your vehicle’s emissions system integrity and supports compliance with environmental regulations.