Walker 245-1047 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1047

Walker Mass Air Flow Assembly 245-1047 is a direct-fit engine management sensor assembly for select Ford and Mercury applications. It is built with a housing included and a 4-terminal female connector, making it a practical replacement for vehicles that need accurate airflow signal input for proper fuel control.

Key Features

• Mass air flow sensor assembly for emission control and engine management systems
• Housing included for a complete sensor housing replacement
• 4-terminal female connector
• Fits select 1995-1999 Ford Contour and Mercury Mystique applications
• Fits 1999 Mercury Cougar vehicles built before May 29, 1999
• Fits 1999 Ford Contour and Mercury Mystique vehicles built before May 3, 1999

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. The Walker Mass Air Flow Assembly line is part of that engine management offering, and part number 245-1047 is engineered for accurate vehicle application coverage and dependable replacement fitment. This part cross-references Delphi AF10122 and Gates 29029 for the same application.

Compatible With 1995-1998 Ford Contour, N/A; 1999 Ford Contour, N/A; 1995-1998 Mercury Mystique, N/A; 1999 Mercury Mystique, N/A; and 1999 Mercury Cougar, N/A. Use 245-1047 when replacing a worn or failing mass air flow sensor assembly on these Ford and Mercury models.

Common Issues This Part Can Address

• Rough idle caused by incorrect airflow signal input
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Poor fuel delivery calculations from a faulty sensor reading
• Driveability problems on Ford Contour, Mercury Mystique, or Mercury Cougar applications

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. Confirm vehicle build date for 1999 Ford Contour, 1999 Mercury Cougar, and 1999 Mercury Mystique applications, since fitment is limited to vehicles built before the listed dates. Inspect the intake tract and electrical connector for contamination or damage before installing the new assembly.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and supports its parts with in-house manufacturing, product management, engineering, and technical documentation. Part number 245-1047 is produced to meet or exceed OEM standards and specifications for the listed applications.