Walker 245-1029 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Ford and Mercury

Walker Mass Air Flow Assembly 245-1029 is a direct-fit engine management component for select Ford and Mercury applications. It is built with a housing included and a 4-terminal female connector to support accurate airflow signal delivery for proper fuel control.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering processes focused on meeting or exceeding OEM standards. The Walker Mass Air Flow Assembly line is backed by product management, technical support, and ISO 9001/IATF16949-certified quality systems.

Key Features

• Part number 245-1029 for direct identification and ordering
• Mass air flow sensor assembly with housing included
• 4-terminal female connector
• Built for select Ford F-150, Ford Taurus, Mercury Cougar, and related applications
• Walker Mass Air Flow Assembly product line for engine air measurement service

Detailed Product Overview

This Walker mass air flow sensor assembly is used in engine management systems that measure incoming air so the vehicle computer can calculate fuel delivery. Accurate airflow input is important for drivability, idle quality, and emissions performance. Part number 245-1029 is listed for 1996-2004 Ford and Mercury applications, including the Ford F-150, Ford F-150 Heritage, Ford Contour, Ford Crown Victoria, Ford Taurus, Ford Windstar, Mercury Cougar, Mercury Mystique, Mercury Grand Marquis, Mercury Sable, and Lincoln Town Car.

This part cross-references Delphi AF10120 and Hitachi Automotive MAF0023 for the same application.

What It Helps Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response
• Check engine light conditions related to mass air flow sensor faults
• Fuel trim issues from incorrect air measurement
• Reduced engine performance in Ford and Mercury MAF applications

Installation Notes and Fitment

Fits 2004 Ford F-150, N/A. Fits 2004 Ford F-150 Heritage, N/A. Fits 1997-2003 Ford F-150, N/A. Fits 2000-2002 Mercury Cougar, N/A. Fits 2000 Ford Contour, N/A. Fits 2000 Mercury Mystique, N/A. Fits 1999 Ford Contour, N/A, models manufactured from May 3, 1999 onward. Fits 1996-1999 Ford Crown Victoria, N/A. Fits 1999 Ford Sable, N/A. Fits 1996-1999 Ford Taurus, N/A. Fits 1996-1999 Lincoln Town Car, N/A. Fits 1999 Mercury Cougar, N/A, models starting from 5/29/1999. Fits 1996-1999 Mercury Grand Marquis, N/A. Fits 1999 Mercury Mystique, N/A, models manufactured from May 3, 1999 onward. Fits 1996-1999 Mercury Sable, N/A. Fits 1997-1998 Ford E-150 Econoline, N/A. Fits 1997-1998 Ford E-150 Econoline Club Wagon, N/A. Fits 1997-1998 Ford E-250 Econoline, N/A. Fits 1996-1998 Ford Windstar, N/A.

Before installation, confirm connector style, terminal count, and housing configuration against the original unit. Verify the vehicle build date where noted in the fitment data, especially for 1999 Ford Contour, 1999 Mercury Cougar, and 1999 Mercury Mystique applications. Part number 245-1029 should be matched to the original sensor assembly and vehicle calibration requirements.

Quality Assurance

Walker Products manufactures engine sensor components to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates under ISO 9001/IATF16949 certification.