2 0 Mack Engine Control Module Ac ECM $995 ($500 Core) $995 USD MACK Engine Control Module AC ECM $995 ($500 core), Serial#: na, Core Charge: 500 ConditionUsedFits To Make(s)MackPart Number12MS534MStock Number3809698 MLS Number12756052CategoryEngine Control Modules (ECM) Last Updated4/5/2024 LocationWinger, MN, US Sold ByLucken Trucks and Parts (833) 637-___ SHOWNUMBERCall Seller Email Seller Save More Info