View 0 Photos View 0 Videos 1994 Mack E7 Engine Control Module (ECM) for a Mack CH $1,175 USD (USED) Mack E7 Serial #: 1252420 CPL/Arr: - HP: 400 Ref# 12MS51M7X ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number12MS51M7XStock Number25890495 MLS Number13962294CategoryEngine Control Modules (ECM) Last Updated4/4/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1996 Mack E7 Engine Control Module (ECM) for a Mack CH $1,175 USD (USED) Mack E7 Serial #: 5N0041 HP: 350 Ref# 12MS51M7 ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number12MS51M7Stock Number25961944 MLS Number14245225CategoryEngine Control Modules (ECM) Last Updated3/14/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1996 Mack E7 Engine Control Module (ECM) for a Mack CH $1,175 USD (USED) Mack E7 Serial #: BRE2730 HP: 350 Ref# 12MS51M7 ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number12MS51M7Stock Number25897081 MLS Number13983094CategoryEngine Control Modules (ECM) Last Updated2/11/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2006 Mack E7 Engine Control Module (ECM) for a Mack CXN $1,005 USD (USED) Mack E7 Ref# 12MS534M USED E7 ECM P/N 12MS534M ***NEEDS TESTED*** ConditionUsedFits To Make(s)MackFits To Model(s)CXNPart Number12MS534MStock Number25871950 MLS Number13856807CategoryEngine Control Modules (ECM) Last Updated1/23/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1995 Mack E7 Engine Control Module (ECM) for a Mack CH $1,175 USD (USED) Mack E7 Ref# 12MS51M7 MACK ECM ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number12MS51M7Stock Number25835079 MLS Number13726385CategoryEngine Control Modules (ECM) Last Updated12/17/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos CORE Mack E7 Diesel Engine ECM, ECU, Engine Computer Module, 12MS514M Being Dismantled (Parts Available) $200 USD (CORE/NOT WORKING/FOR PARTS) Mack E7 Diesel Engine ECM, ECU, Engine Computer Module, for sale!!!!P/N: 12MS514M;Stock #: E3566 For more information about this listing, shipping, technical... ConditionDismantledPart Number12MS514MStock NumberE3566 MLS Number12442945CategoryEngine Control Modules (ECM) Last Updated11/14/2023 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Mack E7 Engine Control Module (ECM) $600 USD (GOOD USED) Mack E7 Diesel Engine Control Module, ECM, ECU, for sale!!!! Part #:12MS514M; Stock #: E2846 For more information about this listing, shipping, technical questions email us at... ConditionUsedPart Number12MS514MStock NumberE2846 MLS Number11492238CategoryEngine Control Modules (ECM) Last Updated7/14/2022 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info