Home Drive line QSB6.7 QSB6.7 Cummins: 4089672 SKU: CNX-DRV-CUM-0218 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 4089672 Related products Gasket MainAllison: 23043334 CLBT755Allison: 23041457 Allison transmissionAllison: 23042964RBE CLBT755Allison: 23042199