Walker 245-2012 Mass Air Flow Sensor

Walker Mass Air Flow Sensor for Ford and Mercury

Walker Mass Air Flow Sensor Part Number 245-2012 is a direct-fit engine management component for select Ford and Mercury applications. It is built with a 4-terminal female connector and includes mounting hardware, making it a practical replacement for vehicles that need accurate airflow signal input for proper fuel control.

Compatible With 1992-1995 Ford Aerostar, 1992-1994 Ford Tempo, 1992 Ford Ranger, and 1992-1994 Mercury Topaz applications, this Walker Mass Air Flow Sensor supports OE-style fitment for common drivability repairs. The 245-2012 part number is also referenced for cross-application matching where the original sensor number aligns.

Key Features

• Walker Mass Air Flow Sensor, Part Number 245-2012
• 4-terminal female connector
• Mounting hardware included
• Housing not included
• OE-style replacement for select Ford and Mercury vehicles
• Cross-reference: Delphi AF10112

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Mass Air Flow Sensor line is part of that engine management offering, and Part Number 245-2012 is intended for vehicles that require a precise airflow signal to the engine control system. This sensor is listed for 1995 Ford Aerostar, 1993-1994 Ford Aerostar, 1992-1994 Ford Tempo, 1992-1994 Mercury Topaz, and 1992 Ford Aerostar and Ranger applications.

Common Repair Applications

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor faults
• Poor fuel economy from incorrect air-fuel mixture control
• Hard starting or unstable engine performance

Installation Notes

Verify the original sensor connector style, terminal count, and OE reference before installation. This unit uses a female connector and 4 terminals, and the included mounting hardware can simplify replacement on the listed Ford Aerostar, Ford Tempo, Mercury Topaz, and Ford Ranger applications. Confirm the stamped or OE part number on the original sensor, especially on Aerostar models with application-specific ID markings noted in the fitment data.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and backs its engine sensor production with in-house manufacturing, product management, engineering, and technical support. The 245-2012 mass air flow sensor is produced to support accurate vehicle application coverage and OE-level specification control.