2012 Aisin Other, Truck Delivery, Transmission ECMs, Fits to: Isuzu Reach, (USED) 2012 Aisin, TCM. S/N-1039S50256 P/N-0281020260 Model-N/A For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# 1039S50256, Casting# 1039S50256, Truck Year 2012 Jalb4t172c7m00016