0 GM/Chev (HD) Other, , Transmission ECMs, Fits to: , (Used) GM/Chevy, TRANMISSION ECM- Part Number: 24239926, Serial Number: BKYNXSK180930885, Model: YNXS, Service Number: 242423918093, 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# BKYNXSK180930885, Part# 24239926,