Walker 240-91078 Vehicle Speed Sensor

Walker Vehicle Speed Sensor 240-91078

Walker Products FSK 240-91078 is a vehicle speed sensor for transmission output applications on select Ford, Mazda, and Mercury models. It is built by a long-established automotive sensor manufacturer focused on OE-level fit, application accuracy, and technical support.

Key Features

• Vehicle speed sensor for transmission output shaft applications
• Walker Products FSK product line for engine management and sensor replacement
• Built by an ISO 9001/IATF16949 certified manufacturer
• Application coverage for Ford Escape, Mazda Tribute, Mercury Mariner, Mercury Cougar, Ford Contour, and Mercury Mystique
• Direct replacement part number 240-91078 for select speed sensor applications

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support centered on accurate vehicle applications and OE-standard production. Part number 240-91078 is a transmission output vehicle speed sensor used in select 1999-2008 Ford, Mazda, and Mercury vehicles, including Ford Escape, Mazda Tribute, and Mercury Mariner applications. This part cross-references Standard Ignition SC325 for the same application.

The Walker Products FSK line is focused on sensor and engine management coverage, including throttle position sensors, cam and crankshaft sensors, oxygen sensors, fuel injectors, and related repair components. For buyers searching for a transmission output speed sensor for a 2001-2003 Ford Escape, 2002-2005 Mazda Tribute, or 2007-2008 Mercury Mariner, 240-91078 is the relevant part number to verify against the vehicle application.

Common Problems This Part May Address

• Inaccurate vehicle speed readings
• Transmission output signal loss
• Speedometer fluctuation or dropout
• Transmission control issues related to speed signal input
• Diagnostic trouble codes tied to vehicle speed sensor performance

Installation Notes

Confirm the transmission output application before ordering, since fitment varies by year and model. Verify the vehicle against the listed applications for 1999-2008 Ford Escape, Mazda Tribute, Mercury Mariner, Mercury Cougar, Ford Contour, and Mercury Mystique. Use the exact part number 240-91078 to match the correct transmission output vehicle speed sensor for your vehicle.

Quality Assurance

Walker Products manufactures to meet or exceed OEM standards and specifications, supported by in-house manufacturing, product management, and engineering teams. The company is ISO 9001/IATF16949 certified and provides application data, instruction sheets, and technical support for accurate parts selection.