2004 Allison 1000 SERIES, StepVan, Transmission Assys, Fits to: Freightliner CUSTOM VAN, (Used) 2003 Allison (AT), TRANSMISSION ASSEMBLY- Model: 1000 SERIES Serial Number: 9630026094 Engine: Mercedes OM904 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 921 W PULASKI HWY ELKTON, MD 21921, Serial# 9630026094, Casting# 9630026094, Truck Year 2004 4H7ABJCP34CM89054