2007 Allison 1000RDS, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2006 Allison (AT), TRANSMISSION ECM- ECM Model: 5421-L, Part Number: 29542725, Serial number: BKDYPSM1611666B2, Volts: 12, Transmission Model: 1000RDS, Serial Number: 669489A, 2 Rectangular Plugs with 32 Pins, Reference images for condition. For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# BKDYPSM1611666B2, Casting# BKDYPSM1611666B2, Truck Year 2007 4UZAANCP37CX32845