Walker 240-1003 Vehicle Speed Sensor

Vehicle Speed Sensor for Ford and Mercury Applications

Walker Products 240-1003 is a vehicle speed sensor built for direct replacement in a wide range of Ford, Mercury, Lincoln, and Mazda applications. It is specified with a 4.5-inch length, black smooth connector, 2-pin female terminal design, and bolt-on mounting for a straightforward OE-style service part.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes sensors and other engine management parts for everyday repair work, and this vehicle speed sensor follows that same application-focused approach.

Key Features

• Walker Products part number 240-1003
• Vehicle speed sensor for transmission and speedometer-related applications
• 4.5-inch overall length
• Black/smooth connector color
• 2-terminal, pin-style female connector
• Bolt mount with 1 bolt hole
• Wiring harness not included

Detailed Description

This Walker Products vehicle speed sensor is designed for vehicles that rely on a transmission-mounted speed signal for the speedometer or engine management system. It is a direct-fit replacement for many Ford Crown Victoria, Ford Explorer, Ford Ranger, Ford Taurus, Ford Windstar, Mercury Grand Marquis, Mercury Mountaineer, and related applications, along with select Lincoln and Mazda models. Part number 240-1003 is also cross-referenced with Delphi SS11859 for the same application.

Use this sensor when servicing a vehicle speed sensor fault, restoring speedometer input, or replacing a worn transmission-mounted sensor on compatible Ford and Mercury platforms. The OE-style connector and bolt-on design support clean replacement on vehicles such as the Ford E-Series, Mustang, and Crown Victoria, as well as Mercury Grand Marquis and Mountaineer applications.

What It Is Used For

• Correcting erratic or inoperative speedometer readings
• Replacing a failed transmission-mounted vehicle speed sensor
• Restoring vehicle speed signal input to the control system
• Addressing speed-related drivability or shifting concerns tied to sensor output
• Servicing Ford, Mercury, Lincoln, and Mazda speed sensor applications

Installation Notes and Tips

Verify connector style, mounting style, and sensor length before installation. This part uses a 2-pin female connector, pin terminals, and a bolt mount with one bolt hole, and it does not include a wiring harness. Confirm the vehicle’s transmission-mounted sensor location and match the application to the exact year and model before replacement. Fits 1995-2006 Ford Crown Victoria, 1995-2003 and 2004-2006 Mercury Grand Marquis, 2003-2004 Ford E-150, 2003-2004 Ford E-150 Club Wagon, 2004 Ford E-250, 2003-2004 Ford E-350 Club Wagon, 1999-2004 Ford E-350 Super Duty, 2003-2004 Mercury Marauder, 1995-2001 Ford Explorer, 1999-2001 Mercury Mountaineer, 1995-1999 Ford Ranger, and additional listed Ford, Mercury, Lincoln, and Mazda applications.

Quality Assurance

Walker Products manufactures engine sensors and related components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation to help maintain application accuracy and part quality.