Walker 245-1040 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1040

Walker Mass Air Flow Assembly 245-1040 is a direct-fit mass air flow sensor assembly for select Ford and Mazda applications. It is built with a housing included and a 3-terminal female connector layout for service replacement on vehicles that need accurate airflow signal input.

Key Features

• Mass air flow sensor assembly for emission control and engine management service
• Housing included for a complete assembly-style replacement
• 3-terminal female connector configuration
• Fits 1994-1997 Ford Aspire, N/A
• Fits 1993-1997 Mazda 626, N/A
• Fits 1993-1997 Mazda MX-6, N/A
• Fits 1995-1998 Mazda Protege, N/A

Product Details

Walker Mass Air Flow Assembly 245-1040 is part of Walker Products’ engine sensor lineup, a brand line focused on fuel system and engine management components. Walker has supplied automotive aftermarket parts since 1946 and manufactures products to meet or exceed OEM standards and specifications, with engineering and technical support behind production accuracy and application coverage. This assembly is listed for Mazda Protege, Mazda 626, Mazda MX-6, and Ford Aspire applications across the 1993-1998 model years.

This part cross-references Spectra Premium MA143 for the same application.

Common Replacement Reasons

• Check engine light related to airflow sensor performance
• Rough idle or unstable engine operation
• Hesitation during acceleration
• Poor fuel metering from an inaccurate airflow signal
• Driveability issues tied to a worn or contaminated mass air flow sensor

Installation Notes

Verify connector style, terminal count, and housing configuration before installation. This unit uses a female connector and does not include mounting hardware. Confirm the vehicle application against the listed fitment for 1994-1997 Ford Aspire, 1993-1997 Mazda 626, 1993-1997 Mazda MX-6, and 1995-1998 Mazda Protege before replacement.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house manufacturing, product management, and engineering support to help maintain application accuracy and production consistency. The Walker Mass Air Flow Assembly 245-1040 is produced to align with OEM-level requirements for the listed Ford and Mazda applications.