Genuine OEM Parts Air Filter Paccar X011622 MADE IN USA
Kenworth W900 - Cummins ISX, X15, ISM - Caterpillar 3406, C9, C11, C12, C13, C15 - Paccar MX. Air Filter - Primary Radialseal - OEM. Peterbilt 379 & 379X - Caterpillar C10, C12, C15 - Cummins ISC, ISL, ISM, ISX.