Holstein 2MAF0279 Mass Air Flow Sensor

Holstein Mass Air Flow Sensor

The Holstein Parts mass air flow sensor, part number 2MAF0279, is a direct-fit sensor-only replacement for select heavy-duty Ram applications. It is built for accurate airflow measurement to support proper engine management and drivability.

Key Features

• Sensor-only replacement for the mass air flow system
• Direct-fit design for straightforward installation
• Fits select Ram 2500 and Ram 3500 applications
• Holstein Parts replacement, part number 2MAF0279

Detailed Description

Holstein 2MAF0279 is a mass air flow sensor for 2019-2024 Ram 2500 and 2019-2024 Ram 3500 applications. This sensor-only unit is intended for vehicles that need a replacement airflow sensor without changing the full assembly. If you are servicing a Ram 2500 or Ram 3500 with airflow-related drivability concerns, 2MAF0279 provides a fitment-specific replacement option. This part cross-references Standard Ignition MAS0529 for the same application.

What It Is Used For

• Restoring accurate airflow signal input to the engine control system
• Addressing rough idle caused by a failing airflow sensor
• Correcting hesitation or inconsistent throttle response linked to sensor output
• Replacing a worn sensor in the intake air measurement circuit

Installation Notes and Tips

Verify the existing sensor configuration before ordering, since this listing is sensor only. Confirm the vehicle year, model, and application notes match your Ram 2500 or Ram 3500 before installation. Use the part number 2MAF0279 to confirm the correct replacement against the original unit.

Quality Assurance

Holstein Parts offers an OE-style replacement focus for emission control sensors, and 2MAF0279 is cataloged for direct-fit application matching.