Walker 245-1139 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1139

Walker Mass Air Flow Assembly 245-1139 is a direct-fit mass air flow sensor assembly for select Chrysler, Dodge, and Mitsubishi applications. It is built with a housing included and a 7-terminal female connector to support accurate airflow signal delivery for engine management.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Mass Air Flow Assembly line is aimed at dependable replacement performance for vehicles that need precise air measurement for proper fuel control.

Key Features

• Mass air flow sensor assembly for engine management service
• Housing included for a complete replacement assembly
• 7-terminal female connector
• Direct-fit application coverage for select Chrysler Sebring, Dodge Stratus, Mitsubishi Eclipse, Mitsubishi Galant, and Mitsubishi Montero Sport models
• Walker part number 245-1139 for easy identification

Vehicle Fitment

• Fits 2001-2005 Chrysler Sebring, N/A
• Fits 2001-2005 Dodge Stratus, N/A
• Fits 2000-2005 Mitsubishi Eclipse, N/A
• Fits 1999-2003 Mitsubishi Galant, N/A
• Fits 2003 Mitsubishi Montero Sport, N/A
• Fits 1999-2001 Mitsubishi Montero Sport, N/A

What It Helps Fix

• Incorrect airflow readings that affect fuel delivery
• Rough idle caused by a failing mass air flow sensor
• Hesitation or poor throttle response during acceleration
• Check engine light conditions related to airflow signal faults
• Driveability issues on Chrysler Sebring, Dodge Stratus, and Mitsubishi Eclipse applications

Installation Notes

Verify connector style, terminal count, and housing configuration before installation. Inspect the intake tract for contamination or air leaks that can affect sensor readings. Confirm the part number 245-1139 against the vehicle application before replacing the original unit.

Quality Assurance

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

This part cross-references Spectra Premium MA363 for the same application.