0 Cummins M11, , ECMs, Fits to: International 8100, (Used) Cummins M11, AFTERTREATMENT CONTROL MODULE (ACM)- Part Number: 21870087, Serial Number: 14142411, 1 Rectangular Plug with 62 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# 14142411, Casting# 14142411, Truck Year Not Available