Walker
Walker Products FSK

Walker 240-91077 Vehicle Speed Sensor

Brand Walker 240-91077
Product line Walker Products FSK
Fits Ford and Mercury · 38 vehicles

OEM standards. Manufactured to meet or exceed OEM specifications.

Engine sensor expertise. Walker has supplied automotive fuel system and sensor components since 1946.

Cross-references HOLSTEIN 2VSS0213, NTK AU0144 and Standard Ignition SC394 for the same application. See all 9.

$35.96Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $35.96
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Vehicle Speed Sensor 240-91077

Walker Products FSK 240-91077 is a vehicle speed sensor built for transmission input applications on select Ford and Mercury vehicles. It is a direct-fit replacement for models such as the Ford Contour, Mercury Mystique, and Mercury Cougar, with fitment coverage across 1995-2002 applications.

Key Features

  • Vehicle speed sensor for transmission input applications
  • Walker Products FSK line replacement part
  • Built to meet or exceed OEM standards and specifications
  • Supported by Walker Products engineering and technical documentation
  • Cross-references Standard Ignition SC394 and NTK AU0144 for the same application

Fitment Details

  • Fits 1995-2000 Ford Contour, Transmission Input
  • Fits 1998 Ford Contour, Transmission Input Only
  • Fits 1999-2000 Ford Contour, Input shaft speed sensor for transmission
  • Fits 1995-2000 Mercury Mystique, Transmission Input
  • Fits 1999-2000 Mercury Mystique, Input shaft speed sensor for transmission
  • Fits 1999-2002 Mercury Cougar, Transmission Input Only

What This Sensor Helps Address

  • Erratic or missing vehicle speed signal to the transmission
  • Transmission shift concerns related to input speed feedback
  • Speedometer operation issues caused by a faulty input sensor
  • Diagnostic trouble codes tied to transmission input speed sensing

Installation Notes

Verify the transmission input sensor location before installation and match the connector and application notes to the vehicle. Confirm year, make, and model details for Ford Contour, Mercury Mystique, and Mercury Cougar applications, since fitment varies by model year and transmission configuration.

Quality Assurance

Walker Products has supplied automotive fuel system and engine management components since 1946 and manufactures products to meet or exceed OEM standards. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates under ISO 9001/IATF16949 certification.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2002MercuryCougarAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
2002MercuryCougarAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
2001MercuryCougarAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
2001MercuryCougarAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
2000FordContourAutomatic2.5LV6—N/ATransmission Input; Walker Products FSK
2000FordContourAutomatic2.0LL4—N/AInput shaft speed sensor for transmission.; Walker Products FSK
2000MercuryCougarAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
2000MercuryCougarAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
2000MercuryMystiqueAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
2000MercuryMystiqueAutomatic2.0LL4—N/AInput shaft speed sensor for transmission.; Walker Products FSK
1999FordContourAutomatic2.5LV6—N/AInput shaft speed sensor for transmission.; Walker Products FSK
1999FordContourAutomatic2.0LL4BI-FUELN/ATransmission Input; Walker Products FSK
1999FordContourAutomatic2.0LL4—N/ATransmission Input; Walker Products FSK
1999MercuryCougarAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
1999MercuryCougarAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
1999MercuryMystiqueAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
1999MercuryMystiqueAutomatic2.0LL4—N/AInput shaft speed sensor for transmission.; Walker Products FSK
1998FordContourAutomatic2.5LV6—N/ATransmission Input; Walker Products FSK
1998FordContourAutomatic2.0LL4BI-FUELN/ATransmission Input Only; Walker Products FSK
1998FordContourAutomatic2.0LL4BI-FUELN/ATransmission Input; Walker Products FSK
1998FordContourAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
1998FordContourAutomatic2.0LL4—N/ATransmission Input; Walker Products FSK
1998MercuryMystiqueAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
1998MercuryMystiqueAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
1997FordContourAutomatic2.5LV6—N/ATransmission Input; Walker Products FSK
1997FordContourAutomatic2.0LL4BI-FUELN/ATransmission Input; Walker Products FSK
1997FordContourAutomatic2.0LL4—N/ATransmission Input; Walker Products FSK
1997MercuryMystiqueAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
1997MercuryMystiqueAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
1996FordContourAutomatic2.0LL4—N/ATransmission Input; Walker Products FSK
1996FordContourAutomatic2.5LV6—N/ATransmission Input; Walker Products FSK
1996FordContourAutomatic2.0LL4BI-FUELN/ATransmission Input; Walker Products FSK
1996MercuryMystiqueAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
1996MercuryMystiqueAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
1995FordContourAutomatic2.5LV6—N/ATransmission Input; Walker Products FSK
1995FordContourAutomatic2.0LL4—N/ATransmission Input; Walker Products FSK
1995MercuryMystiqueAutomatic2.5LV6—N/ATransmission Input Only; Walker Products FSK
1995MercuryMystiqueAutomatic2.0LL4—N/ATransmission Input Only; Walker Products FSK
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
HOLSTEIN — 2VSS0213NTK — AU0144Standard Ignition — SC394TYC — 960895S541631122SN7329SU2321SU2321DG