Walker 240-91003 Vehicle Speed Sensor

Vehicle Speed Sensor for Ford and Mercury

Walker Products FSK 240-91003 is a vehicle speed sensor built for direct replacement on a wide range of Ford, Mercury, Lincoln, and Mazda applications. It uses a 2-pin female connector, bolt mount, and included wiring harness to support accurate speed signal transfer in the vehicle’s transmission and instrument system.

Key Features

• Vehicle speed sensor replacement for select Ford, Mercury, Lincoln, and Mazda models
• Walker Products FSK line engineered to meet or exceed OEM standards and specifications
• 2-terminal pin connection with black/smooth female connector
• Bolt-on mount with 1 bolt hole for straightforward installation
• Wiring harness included for the listed applications
• Length: 4.5 in.
• Cross-reference: Standard Ignition SC37

Product Details

Walker Products has supplied engine management and fuel system components since 1946, with manufacturing and engineering support focused on accurate fit and OE-style performance. Part number 240-91003 is part of the Walker Products FSK line and is built for vehicles that rely on a transmission-mounted or instrument-cluster speed signal, including Ford Crown Victoria, Explorer, Ranger, Taurus, Windstar, E-Series vans, and Mercury Grand Marquis, Marauder, Mountaineer, Sable, and Cougar applications. This part number 240-91003 is also listed for select Lincoln Town Car and Mark VIII models, plus Mazda B-series trucks.

What This Part Helps Address

• Inaccurate or erratic speedometer readings
• Loss of vehicle speed signal to the transmission or instrument cluster
• Intermittent speed sensor fault codes
• Harsh or inconsistent shifting related to speed input loss
• Speedometer operation issues on Ford Crown Victoria, Explorer, Ranger, and related models

Installation Notes and Tips

Verify connector style, mount type, and application notes before installation. This sensor uses a bolt mount with a female 2-pin connector and is listed with a wiring harness included. Confirm the vehicle year, make, and model against the fitment data for Ford Crown Victoria, Mercury Grand Marquis, and other listed applications before replacing the original unit.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management, engineering, and technical support backing the Walker Products FSK 240-91003.