Home Drive line QSB6.7 QSB6.7 Cummins: 4990451 SKU: CNX-DRV-CUM-0287 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 4990451 Related products CLBT755Allison: 23042199 CLBT755Allison: 23047965 Gasket MainAllison: 23043334 Terex Alison H8610ARAllison: 179837