Shop used Mack Pinnacle CXU613 Engine Control Modules (ECM) on MyLittleSalesman.com . Compare active listings with prices from $225 to $595. Sellers include Garabedian Equipment, CRG Heavy Truck Parts, and Lomoca. Filter by condition, price, or year to find the Mack Pinnacle CXU613 Engine Control Module (ECM) that fits your job.