2007 Aisin RNJ, Truck Delivery, Transmission Assys, Fits to: Isuzu NPR-HD, (Used) 2006 Aisin (AT), TRANSMISSION ASSEMBLY- Model: RNJ, Serial Number: 6D-1550, Part Number: 8973300050, 345020-44660, I W 2 U 1 B C, Engine: Isuzu 4HK1-TC, 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# 6D-1550, Truck Year 2007, VIN JALC4B16677004330 JALC4B16677004330