View 4 Photos View 0 Videos Mack VMAC Engine Control Module (ECM) $2,000 USD (GOOD USED) Mack E7 V-MAC OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 12MS45M4; Stock #: E4357 For more information about this listing, shipping, technical questions... ConditionUsedPart Number12MS45M4Stock NumberE4357 MLS Number13999589CategoryEngine Control Modules (ECM) Last Updated11/25/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info