Home Drive line Lock Lock Cummins: 3900250 SKU: CNX-DRV-CUM-0113 Category: Drive line Brand: Cummins Add to Quote Description Cummins: 3900250 Related products Allison Transmission AT545 (reconditioned)Allison: 23040617 BoltAllison: 179896 Gasket MainAllison: 23043334 CLBT755Allison: 23018829