Walker 245-1394 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Sprinter

Walker Mass Air Flow Assembly 245-1394 is a direct-fit mass air flow sensor assembly for select Mercedes-Benz Sprinter vans. It is built with a housing included and a 4-terminal female connector to support accurate airflow signal delivery for engine management.

Compatible with Mercedes-Benz Sprinter 2500 and Sprinter 3500 applications, this assembly is a practical replacement when the original sensor housing or connector interface is worn, damaged, or no longer reading correctly. Part number 245-1394 is also referenced in interchange listings for related OE and aftermarket applications.

Walker Mass Air Flow Assembly Line

The Walker Mass Air Flow Assembly line is part of Walker Products’ engine sensor offering, backed by decades of fuel system and engine management manufacturing experience. Walker focuses on parts built to meet or exceed OEM standards and specifications, with engineering and technical support used to maintain application accuracy and product consistency.

Key Features

• Mass air flow sensor assembly for engine air measurement
• Housing included for a complete assembly-style replacement
• 4-terminal female connector
• Direct-fit application for select Mercedes-Benz Sprinter models
• Walker part number 245-1394

Vehicle Fitment

• Fits 2017-2022 Mercedes-Benz Sprinter 2500, N/A, complete assembly.
• Fits 2017-2022 Mercedes-Benz Sprinter 3500, N/A, complete assembly.
• Fits 2018-2022 Mercedes-Benz Sprinter 3500XD, N/A, complete assembly.
• Fits 2010-2016 Mercedes-Benz Sprinter 2500, N/A, Walker Mass Air Flow Assembly.
• Fits 2010-2016 Mercedes-Benz Sprinter 3500, N/A, Walker Mass Air Flow Assembly.

What It Helps Address

• Incorrect airflow signal readings
• Rough idle caused by a failing mass air flow sensor
• Driveability issues tied to air metering errors
• Check engine light conditions related to airflow sensor faults
• Replacement needs for damaged sensor housing or connector interface

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. Confirm the vehicle application against the listed Mercedes-Benz Sprinter 2500, Sprinter 3500, or Sprinter 3500XD fitment, and inspect the intake tract for contamination or leaks that could affect sensor readings. Use the existing mounting points and follow the vehicle service procedure for sensor replacement and relearn steps, if required.

Quality Assurance

Walker Products has supplied fuel system and engine sensor components since 1946 and operates as an ISO 9001/IATF16949 certified manufacturer. Part number 245-1394 is produced to support OEM-level fitment and specification control for select Mercedes-Benz Sprinter applications.