4 0 Used 40 Pin ECM Compatible For Caterpillar 3406E And C12 $650 USD USED 40 PIN ECM COMPATIBLE FOR CATERPILLAR 3406E AND C12, Core Charge: 0.00 ConditionUsedStock Number34820 MLS Number10275755CategoryEngine Control Modules (ECM) Last Updated12/22/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info