HomeElectrical, Lighting and Body > SensorsDorman 917-639 Vehicle Speed Sensor
Part #: 917-639

Dorman 917-639 Vehicle Speed Sensor

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32 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercury and Ford, Cougar, Contour, and Mystique
Easy Returns — Return within 60 days for a full refund
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Reliable Vehicle Speed Sensor for Ford and Mercury Models

The Dorman 917-639 vehicle speed sensor is designed to provide accurate speed data for select Ford and Mercury vehicles. Engineered with durable metal and plastic housing, this sensor ensures consistent performance in demanding driving conditions.

  • Terminal Type: Blade bullet for secure electrical connection
  • Durable metal and plastic housing for long-lasting use
  • Wiring harness not included, allowing for flexible installation options
  • Compatible with Ford Contour, Mercury Cougar, and Mercury Mystique models
  • Includes one vehicle speed sensor per package

Durable Construction and Precise Design

The Dorman 917-639 vehicle speed sensor features a combination of metal and plastic housing materials that balance strength and resistance to environmental factors. The blade bullet terminal type ensures a reliable electrical connection, minimizing the risk of signal loss or sensor failure. This sensor is engineered to meet the specific requirements of Ford Contour, Mercury Cougar, and Mercury Mystique vehicles, providing accurate speed readings essential for proper transmission and engine control.

Compatible Vehicle Applications

This vehicle speed sensor is compatible with the following models:

  • Ford Contour
  • Mercury Cougar
  • Mercury Mystique

Using the correct sensor like the Dorman 917-639 helps maintain optimal vehicle performance and supports systems such as speedometer operation, transmission shifting, and anti-lock braking.

Common Issues Addressed by the Vehicle Speed Sensor

  • Erratic or non-functioning speedometer readings
  • Transmission shifting problems or delayed gear changes
  • Malfunctioning anti-lock braking system (ABS) alerts
  • Check engine light triggered by speed sensor faults
  • Inconsistent engine performance related to speed data

Installation Notes and Tips

Installation of the Dorman 917-639 vehicle speed sensor requires removal of the old sensor and securing the new sensor in place with the blade bullet terminal connection. Since the wiring harness is not included, ensure compatibility with your vehicle’s existing harness or source the appropriate connector separately. Proper installation is critical to avoid signal interference and ensure accurate speed readings.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Ford Contour, Mercury Cougar, or Mercury Mystique. The 917-639 vehicle speed sensor undergoes rigorous quality control to ensure durability and functionality. Please refer to Dorman’s warranty policy for specific coverage details.

BrandDorman
Part Number917-639
Housing MaterialMetal
Housing MaterialPlastic
Package ContentsVehicle Speed Sensor
Terminal TypeBlade Bullet
Wiring Harness IncludedNo

This part fits 32 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2002MercuryCougar2.5LV6N/A
2002MercuryCougarAutomatic2.5LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2001MercuryCougar2.5LV6N/A
2001MercuryCougarAutomatic2.5LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000FordContour2.5LV6N/A
2000FordContourAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
2000MercuryCougar2.5LV6N/A
2000MercuryCougarAutomatic2.5LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2000MercuryMystique2.5LV6N/A
2000MercuryMystiqueAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1999FordContour2.5LV6N/A
1999FordContourAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1999MercuryCougar2.5LV6N/A
1999MercuryCougarAutomatic2.5LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1999MercuryMystique2.5LV6N/A
1999MercuryMystiqueAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1998FordContour2.5LV6N/A
1998FordContourAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1998MercuryMystique2.5LV6N/A
1998MercuryMystiqueAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1997FordContour2.5LV6N/A
1997FordContourAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1997MercuryMystique2.5LV6N/A
1997MercuryMystiqueAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1996FordContour2.5LV6N/A
1996FordContourAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1996MercuryMystique2.5LV6N/A
1996MercuryMystiqueAutomatic2.5LV6N/AEngine Speed Sensor; Packaging Type: Box
1995FordContour2.5LV6N/A
1995FordContourAutomatic2.5LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
1995MercuryMystique2.5LV6N/A
1995MercuryMystiqueAutomatic2.5LV6N/AProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5S4711DY-1124F5RZ9E731BAS8369SC117SU2112

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.