Walker 245-1143 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Mitsubishi

Walker Mass Air Flow Assembly Part Number 245-1143 is a direct-fit engine management sensor assembly for select Mitsubishi applications. It is built with a housing included and a 7-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 from Walker
• Housing included for a complete replacement setup
• 7-terminal female connector
• Built to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering and technical support resources
• Fits select 1997-2007 Mitsubishi models

Product Line Details

The Walker Mass Air Flow Assembly line is part of Walker Products’ engine sensor offering. Walker has supplied fuel system and engine management components since 1946 and manufactures parts for the automotive aftermarket with ISO 9001/IATF16949 quality systems in place. Part number 245-1143 reflects that focus on OE-style fit, application accuracy, and consistent sensor performance.

Fitment

• Fits 2002-2007 Mitsubishi Lancer, N/A
• Fits 2003-2004 Mitsubishi Space Star, N/A
• Fits 1998-2002 Mitsubishi Mirage, N/A
• Fits 1997-1998 Mitsubishi Montero Sport, N/A

What It Helps Address

• Rough idle caused by incorrect airflow signal input
• Hesitation during acceleration from inaccurate air measurement
• Fuel trim issues related to a failing mass air flow sensor
• Check engine light conditions tied to airflow sensor faults
• Poor drivability on Mitsubishi Lancer, Mirage, Space Star, or Montero Sport applications

Installation Notes and Tips

Confirm connector style, terminal count, and housing configuration before installation. This assembly uses a female connector and includes the housing, but mounting hardware is not included. For best results, inspect the intake tract for contamination or air leaks and verify the replacement matches the original sensor layout on the vehicle.

Quality Assurance

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