Walker 240-91031 Vehicle Speed Sensor

Walker Vehicle Speed Sensor for Ford Applications

Walker Products FSK 240-91031 is a vehicle speed sensor built for Ford applications that rely on accurate transmission or rear-axle speed signal input. It features a black/smooth connector, 2-pin female terminal design, bolt mount, and included wiring harness for a direct replacement service part.

Walker Products FSK is the brand line focused on fuel system and engine sensor components, backed by Walker Products’ long history in the automotive aftermarket and manufacturing standards aligned with OEM-level specifications. Part number 240-91031 is engineered for consistent signal delivery in speed-sensing applications across select Ford trucks, vans, and SUVs.

Key Features

• Vehicle speed sensor for select Ford models
• Black/smooth connector with female terminal connection
• 2-pin terminal design with bolt mount
• Wiring harness included for service replacement
• Length: 2.25 in.
• Cross-reference: Standard Ignition SC84
• Interchange references include 5S4725, 163-219, S8319, SU2175, SU2175DG, and VSS56

Detailed Description

Walker Products 240-91031 is a replacement vehicle speed sensor for Ford Excursion, Ranger, E-350 Econoline, F-350, Bronco, E-250 Econoline, F-250, E-150 Econoline, Explorer, and F-150 applications listed below. It is used in speed signal systems where the sensor reads vehicle movement from the transmission output shaft or rear axle, depending on the vehicle configuration. This part number 240-91031 supports accurate speed input for drivability and transmission-related functions in the covered Ford applications.

Compatible With: Fits 2000-2003 Ford Excursion, N/A; Fits 2001-2003 Ford Ranger, N/A; Fits 1990-1998 Ford E-350 Econoline, N/A; Fits 1995-1997 Ford F-350, N/A; Fits 1990-1991 Ford F-350, N/A; Fits 1995-1996 Ford Bronco, N/A; Fits 1995-1996 Ford E-250 Econoline, N/A; Fits 1995-1996 Ford E-350 Econoline, N/A; Fits 1995-1996 Ford F-250, N/A; Fits 1990-1991 Ford F-250, N/A; Fits 1990-1994 Ford Bronco, N/A; Fits 1990-1994 Ford E-150 Econoline, N/A; Fits 1990-1994 Ford E-250 Econoline, N/A; Fits 1991 Ford Explorer, N/A; Fits 1987-1991 Ford F-150, N/A; Fits 1987-1989 Ford F-250, mounted on rear axle; Fits 1987-1989 Ford F-350, mounted on rear axle.

What It Helps Address

• Inaccurate vehicle speed readings
• Erratic speedometer operation
• Transmission shift concerns tied to speed signal loss
• Fault codes related to vehicle speed sensor performance
• Signal interruption from a worn or damaged sensor

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. This sensor uses a bolt mount and a 2-pin female connector, so matching the original harness and sensor location is important for proper fitment. On listed Ford applications, confirm whether the sensor mounts at the transmission output shaft or rear axle before replacement.

Quality Assurance

Walker Products has supplied automotive fuel system and engine sensor components since 1946 and manufactures parts to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports production with in-house engineering, product management, and technical resources.