Walker 245-2189 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-2189

Walker Mass Air Flow Sensor 245-2189 is a direct-fit engine management replacement for select Chevrolet Malibu and Pontiac Grand Prix applications. It is built for vehicles that need accurate airflow signal input to support proper fuel delivery and drivability.

Key Features

• Mass air flow sensor for emission control and engine management systems
• Fits 2004-2006 Chevrolet Malibu, N/A
• Fits 2004 Pontiac Grand Prix, N/A
• 5-terminal female connector
• Mounting hardware included
• No housing included
• Walker part number 245-2189

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Mass Air Flow Sensor line is part of that engine management range, giving technicians and do-it-yourself buyers a replacement sensor built for accurate vehicle application matching. Part number 245-2189 is listed for 2004-2006 Chevrolet Malibu and 2004 Pontiac Grand Prix coverage, making it a focused choice for drivers searching for a Chevrolet Malibu mass air flow sensor or Pontiac Grand Prix MAF sensor replacement.

This part cross-references Standard Ignition MAS0183 for the same application.

What It Helps Address

• Rough idle caused by incorrect airflow signal input
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor performance
• Poor fuel trim behavior from inaccurate air measurement
• Driveability issues tied to a failing MAF sensor

Installation Notes

Verify connector style, terminal count, and vehicle application before installation. This sensor uses a 5-terminal female connector and includes mounting hardware; the housing is not included. Confirm the intake tract and electrical connector are clean and free of damage before installing Walker 245-2189.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house product management and engineering support. Its engine sensor components are produced to meet or exceed OEM standards and specifications for accurate fitment and dependable application matching.