Walker 245-1003 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Engine Management

Walker Mass Air Flow Assembly 245-1003 is a direct-fit mass air flow sensor assembly for select Buick and Oldsmobile applications. It is built with a housing included and a 3-terminal female connector layout to support accurate airflow signal delivery for engine management.

Key Features

• Mass air flow sensor assembly from Walker
• Housing included for a complete sensor assembly setup
• 3-terminal female connector
• Engineered to meet or exceed OEM standards and specifications
• Backed by Walker Products’ in-house manufacturing and engineering support
• Compatible With 1985-1988 Buick Century, N/A
• Compatible With 1985-1988 Oldsmobile Cutlass Ciera, N/A
• Compatible With 1987-1988 Oldsmobile Cutlass Cruiser, N/A
• Compatible With 1986 Oldsmobile Toronado, N/A
• Compatible With 1985 Oldsmobile 98, N/A

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering processes focused on OEM-level fit and specification control. The Walker Mass Air Flow Assembly 245-1003 is part of the Walker Mass Air Flow Assembly line and is intended for vehicles that require a replacement mass air flow sensor assembly with the correct housing and connector configuration. This part cross-references Standard Ignition 27853 for the same application.

Common Issues This Part Can Address

• Rough idle caused by inaccurate airflow signal input
• Poor throttle response from a failing mass air flow sensor
• Driveability concerns related to incorrect air metering
• Reduced fuel efficiency from improper engine air measurement
• Check engine light conditions tied to MAF sensor faults

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female connector and 3 terminals, and mounting hardware is not included. Confirm vehicle application by year, make, and model before replacing the original sensor assembly. For the listed applications, use the exact fitment shown for 1985-1988 Buick Century, 1985-1988 Oldsmobile Cutlass Ciera, 1987-1988 Oldsmobile Cutlass Cruiser, 1986 Oldsmobile Toronado, and 1985 Oldsmobile 98.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports product accuracy through its own manufacturing, product management, engineering staff, and technical documentation.