Dorman 917-639 Vehicle Speed Sensor

Dorman 917-639 Vehicle Speed Sensor

The Dorman 917-639 vehicle speed sensor is built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable, reliable performance in Ford Contour, Mercury Mystique, and Mercury Cougar applications.

Key Features

• Direct replacement vehicle speed sensor for specified applications
• Designed to match original fit and function
• Metal and plastic housing construction
• Blade bullet terminal type
• No wiring harness included
• Package contents: vehicle speed sensor

Detailed Description

This Dorman vehicle speed sensor, part number 917-639, is a replacement electrical sensor for vehicles that rely on accurate speed signal input. It is built with a blade bullet terminal and a housing made from metal and plastic for dependable service in the original mounting location. For drivers searching for a Ford Contour vehicle speed sensor or a Mercury Mystique speed sensor replacement, this part provides a direct-fit solution for the listed applications. It also cross-references Standard Ignition SC117 for the same application.

What It Helps Fix

• Inaccurate vehicle speed readings
• Speedometer signal loss or erratic operation
• Transmission shift concerns related to speed input
• ABS or engine control issues tied to speed sensor data
• Diagnostic trouble codes related to vehicle speed sensor performance

Installation Notes and Tips

Verify connector style and mounting location before installation. This part does not include a wiring harness, so inspect the existing harness and terminals for wear, corrosion, or damage before reuse. On listed Ford Contour, Mercury Mystique, and Mercury Cougar applications, proper sensor seating and secure electrical connection are important for correct operation. Confirm the vehicle year and application details against the fitment list before ordering.

Quality Assurance

Dorman designs this replacement sensor to match original equipment fit and function and to deliver reliable performance under normal operating conditions. Part number 917-639 is intended for the specified vehicle applications and is built for durability in everyday service.

Compatible Vehicles

• Fits 1999-2002 Mercury Cougar
• Fits 1995-2000 Ford Contour
• Fits 1995-2000 Mercury Mystique