Home Drive line Cylinder head QSB6.7 reconditioned Cylinder head QSB6.7 reconditioned Cummins: 4936081RX SKU: CNX-DRV-CUM-0264 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 4936081RX Related products Terex TR60Allison: 23017066 Allison transmissionAllison: 23042964RBE BoltAllison: 179896 PPM ATT1190Allison: 23047772