Cummins
3902344 · 3903940
JAK'S JAKS-PAI-040050
JAK'S JAKS-PAI-040050
In Stock — Ships Today
$4.99
Remanufactured and new heavy-duty diesel cylinder heads, including JAK’s Diesel performance heads, for Caterpillar, Cummins, Detroit, PACCAR, and more. Pressure-tested and available fully loaded, with core exchange on qualifying units. Not sure which head fits your ESN? Call a specialist before you order.
Text a photo of the part tag — a specialist crosses it and quotes you fast.