OEM Mopar Mass Airflow Sensor, one of multiple located on the intake side of your 6.7L.

Used by ECM to determine fuel delivery rates and engine timing.

MAF sensor must be running correctly for optimum engine performance.

This is the most current version of the MAF sensor by Chrysler. –

Mopar (68002441AC)

MAF sensor replacement is straight forward and can easily restore the correct operation of your 6.7L Cummins diesel engine.