Walker 245-1145 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1145

Restore accurate airflow signal input with the Walker Mass Air Flow Sensor 245-1145. This replacement sensor is built for direct-fit applications across a wide range of Honda and Acura vehicles, including Honda Civic, Accord, CR-V, Odyssey, Pilot, and Acura MDX, RDX, TLX, and RLX platforms.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Mass Air Flow Sensor line is backed by that experience for dependable sensor replacement in everyday drivability repairs.

Key Features

• Mass air flow sensor for engine management and airflow measurement
• 5-terminal female connector for the listed applications
• Mounting hardware included
• Housing not included
• Direct replacement part number 245-1145
• Fits many Honda and Acura models from 2003-2025

Product Details

The Walker 245-1145 mass air flow sensor is used to measure incoming air so the engine control system can calculate fuel delivery more accurately. It serves as a direct replacement for a broad range of Honda and Acura applications, including 2003-2020 Honda Accord, 2006-2015 Honda Civic, 2007-2020 Honda Odyssey, 2007-2018 Acura RDX, and 2014-2020 Acura RLX. This part cross-references Delphi AF10145 and Standard Ignition MAS0244 for the same application.

Common Issues This Part May Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to airflow sensor performance
• Poor fuel trim response from a failing MAF sensor
• Driveability concerns on Honda Civic, Accord, CR-V, Odyssey, and Acura MDX applications

Installation Notes

Verify connector style, terminal count, and fitment before installation. This sensor uses a female connector and 5 terminals, with mounting hardware included and no housing supplied. Confirm the vehicle application against the listed year, make, and model coverage before replacing the original sensor. For best results, inspect the intake tract for leaks or contamination that could affect airflow readings after installation.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports production with in-house engineering, product management, and technical documentation for accurate application coverage.