View 4 Photos View 0 Videos 2003 Mack E7 Engine Control Module (ECM) $600 USD (GOOD USED) 2003 Mack AI Diesel Engine Computer Module, ECM, ECU, for sale!!!!, OEM P/N: 12MS530M, Stock #: E1892 For more information about this listing, shipping, technical questions... ConditionUsedPart Number12MS530MStock NumberE1892 MLS Number10170464CategoryEngine Control Modules (ECM) Last Updated4/16/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2000 Mack E7 Engine Control Module (ECM) $600 USD (GOOD USED) 2000 Mack E7 Diesel Engine Computer Module, ECM, ECU, for sale!!!!, P/N: 12MS517M, Stock #: E1886 For more information about this listing, shipping, technical questions email... ConditionUsedPart Number12MS517MStock NumberE1886 MLS Number10168442CategoryEngine Control Modules (ECM) Last Updated4/14/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Mack E7 Engine Control Module (ECM) $600 USD (USED) 1999 Mack E7 Diesel Engine Control Module, ECM, ECU, for sale!!!!, P/N: 12MS514M, Stock #: E1860 , For more information about this listing, shipping, technical questions email us... ConditionUsedPart Number12MS514MStock NumberE1860 MLS Number10129189CategoryEngine Control Modules (ECM) Last Updated3/9/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2000 Mack E7 Engine Control Module (ECM) $600 USD (USED) 2000 Mack E7 Diesel Engine Computer Module, ECM, ECU, Passenger Side, for sale!!!!, P/N: 12MS517, Stock #: E1821 For more information about this listing, shipping, technical... ConditionUsedPart Number12MS517Stock NumberE1821 MLS Number10046224CategoryEngine Control Modules (ECM) Last Updated1/16/2020 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Mack E7 Engine Control Module (ECM) $600 USD (USED) Mack E7 Diesel Engine Computer Module, ECM, ECU, for sale!!!!, P/N: 12MS526M, BOSCH P/N: 0281020006, Stock #: E1786 For more information about this listing, shipping, technical... ConditionUsedPart Number12MS526MStock NumberE1786 MLS Number9998975CategoryEngine Control Modules (ECM) Last Updated12/4/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2001 Mack E7 Engine Control Module (ECM) $600 USD (USED) 2001 Mack E7 Diesel Engine Computer Module, ECM, ECU, for sale!!!!, P/N: 12MS517M, Stock #: E1764 For more information about this listing, shipping, technical questions email us at... ConditionUsedPart Number12MS517MStock NumberE1764 MLS Number9959481CategoryEngine Control Modules (ECM) Last Updated11/1/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Mack E7 Engine Control Module (ECM) $600 USD (USED) 1999 Mack E7 Diesel Engine Computer Module, ECM, ECU, for sale!!!!, Mack P/N: 12MS514M, Bosch P/N: 0281001522, Stock #: E1753 For more information about this listing, shipping,... ConditionUsedPart Number12MS514MStock NumberE1753 MLS Number9946095CategoryEngine Control Modules (ECM) Last Updated10/21/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2000 Mack E7 Engine Control Module (ECM) $600 USD (USED) 2000 Mack E7 Diesel Engine Control Module, ECM, ECU, Passenger Side, for sale!!!!, P/N: 12MS517M, Stock #: E1750 For more information about this listing, shipping, technical... ConditionUsedPart Number12MS517MStock NumberE1750 MLS Number9941105CategoryEngine Control Modules (ECM) Last Updated10/16/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Mack E7 ECM / ECU $600 USD (USED) Mack E7 Diesel Engine Computer, ECM, ECU, for sale!!!!, P/N: 12MS523M, 0281010820, Stock #: E1713 For more information about this listing, shipping, technical questions email... ConditionUsedPart Number12MS523MStock NumberE1713 MLS Number9918281CategoryEngine Control Modules (ECM) Last Updated9/23/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2002 Mack E7 ECM / ECU $600 USD (USED) Mack E7 Diesel Engine Computer, ECM, ECU, for sale!!!!, P/N: 12MS523M, 0281010820, Stock #: E1713 For more information about this listing, shipping, technical questions email... ConditionUsedPart Number12MS523MStock NumberE1713 MLS Number9918280CategoryEngine Control Modules (ECM) Last Updated9/23/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Mack E7 ECM / ECU $600 USD (USED) Mack E7 Diesel Engine Control Module, ECM, ECU, for sale!!!!, P/N: 12MS517M, 0281001522, Stock #: E1705 For more information about this listing, shipping, technical questions... ConditionUsedPart Number12MS517MStock NumberE1705 MLS Number9911451CategoryEngine Control Modules (ECM) Last Updated9/16/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Mack E7 ECM / ECU Being Dismantled (Parts Available) $200 USD (CORE) Mack E7 Diesel Engine ECM, ECU, Engine Computer Module, for sale!!!!, Mack P/N: 12MS514M, Bosch P/N: 0281001522, ConditionDismantledPart Number12MS514MStock NumberE1570 MLS Number9845444CategoryEngine Control Modules (ECM) Last Updated7/23/2019 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Mack ECM Part # 12MS526M, Bosch Part # 0281020006, 12V $575 USD (GOOD USED/TESTED) Mack ECM Part # 12MS526M (Engine Control Module), Bosch Part # 0281020006, 12V, OEM Part # 12MS526M ECM/ECU/COMPUTER, Engine Computer, ECM Serial # 3873074412286, Stock #... ConditionUsedPart Number12MS526MStock Number1476 MLS Number9693417CategoryEngine Control Modules (ECM) Last Updated3/20/2019 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2004 Mack E7 Engine Control Module (ECM) for a Mack CX Newly Listed $882 USD (USED) Mack E7 Serial #: 3V0747 CPL/Arr: 3MKXH11.9H64 HP: 427 Ref# 12MS528M TESTED GOOD ConditionUsedFits To Make(s)MackFits To Model(s)CXPart Number12MS528MStock Number26039682 MLS Number14513773CategoryEngine Control Modules (ECM) Last Updated7/30/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2002 Mack E7 Engine Control Module (ECM) for a Mack CH $1,085 USD (USED) Mack E7 Serial #: ON1471 CPL/Arr: YMKXH11.9H56 HP: 427 Ref# 12MS518M UNTESTED. MISSING ONE MOUNT ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number12MS518MStock Number26013879 MLS Number14421117CategoryEngine Control Modules (ECM) Last Updated7/25/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2007 Mack E7 Engine Control Module (ECM) for a Mack CXN $1,100 USD (USED) Mack E7 Serial #: 5552M-6098-5352 HP: 320 ConditionUsedFits To Make(s)MackFits To Model(s)CXNStock Number26030689 MLS Number14475579CategoryEngine Control Modules (ECM) Last Updated7/18/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2003 Mack E7 Engine Control Module (ECM) for a Mack CX $1,085 USD (USED) Mack E7 Serial #: 2N3123 CPL/Arr: 2MKXH1.9H63 HP: 460 Ref# 12MS523M NOT TESTED, TOP RH SIDE MOUNT IS MISSING ConditionUsedFits To Make(s)MackFits To Model(s)CXPart Number12MS523MStock Number26032624 MLS Number14483256CategoryEngine Control Modules (ECM) Last Updated7/15/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1993 Mack E7 Engine Control Module (ECM) for a Mack CH $2,100 USD (USED) Mack E7 Serial #: 07717 CPL/Arr: - HP: - Ref# - ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number-Stock Number26032915 MLS Number14483217CategoryEngine Control Modules (ECM) Last Updated7/18/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 1993 Mack E7 Engine Control Module (ECM) for a Mack CH $1,175 USD (USED) Mack E7 Serial #: 1419041 CPL/Arr: - Ref# - ConditionUsedFits To Make(s)MackFits To Model(s)CHPart Number-Stock Number26032914 MLS Number14483216CategoryEngine Control Modules (ECM) Last Updated7/18/2026 LocationSpencer, IA, 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 Updated6/3/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos 2007 Mack E7 Engine Control Module (ECM) for a Mack CXN $985 USD (USED) Mack E7 Serial #: BRE7833 CPL/Arr: 86SB3540 HP: VERIFY Ref# 12MS534M ConditionUsedFits To Make(s)MackFits To Model(s)CXNPart Number12MS534MStock Number25976449 MLS Number14301307CategoryEngine Control Modules (ECM) Last Updated5/18/2026 LocationCouncil Bluffs, IA, 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 $1,150 USD (USED) Mack E7 Serial #: 5T2148 CPL/Arr: - HP: 460 Ref# 0281020023 ConditionUsedFits To Make(s)MackFits To Model(s)CXNPart Number0281020023Stock Number25970321 MLS Number14276645CategoryEngine Control Modules (ECM) Last Updated5/17/2026 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Mack E7 Engine Control Module (ECM) for a 1995 Mack CH613 $995 USD GOOD USED VMAC MODULE, Serial#: 2552129, Casting#: 2552129 ConditionUsedFits To Make(s)MackFits To Model(s)CH613Will Fit Year(s)1995Part Number12MS51M7Stock NumberP-60288 MLS Number11643238CategoryEngine Control Modules (ECM) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Mack E7 Engine Control Module (ECM) $1,000 USD used mack engine ecm 12MS51M7, Serial#: 12ms51m7 ConditionUsedStock Number3809149 MLS Number12194807CategoryEngine Control Modules (ECM) Last Updated5/14/2026 LocationWinger, MN, US Sold ByLucken Trucks and Parts (833) 637-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Mack E7 Engine Control Module (ECM) $1,200 USD 2000 mack ecm used guaranteed to be programmable, Serial#: 12ms514m ConditionUsedStock Number3809104 MLS Number12096580CategoryEngine Control Modules (ECM) Last Updated5/14/2026 LocationWinger, MN, US Sold ByLucken Trucks and Parts (833) 637-___ SHOWNUMBERCall Seller Email Seller Save More Info