View 0 Photos View 0 Videos 2012 Mack Pinnacle CXU612 Engine Control Module (ECM) for a Mack CXU612 $300 USD 2012 Mack CXU612, Aftertreatment Control Module, ACM, P/N 21063597-P05, 2840377107300, S/N# 11060574 All ACM's sold with a 30 day “parts only†warranty. In the event of failure, the... ConditionUsedFits To Make(s)MACKFits To Model(s)CXU612Stock NumberUPS-272645-21 MLS Number13893881CategoryEngine Control Modules (ECM) Last Updated10/28/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info