View 4 Photos View 0 Videos Mack 12MS526M Engine Control Module (ECM) Being Dismantled (Parts Available) $200 USD (CORE/ FOR PARTS OR NOT WORKING) Mack Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 12MS526M; Stock #: E4529 For more information about this listing, shipping, technical... ConditionDismantledPart Number12MS526MStock NumberE4529 MLS Number14359119CategoryEngine Control Modules (ECM) Last Updated5/8/2026 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2003 Mack 12MS526M Engine Control Module (ECM) Bosch Part # 0 281 020 006 $600 USD (GOOD USED TESTED) Mack Engine Control Module (ECM) 12MS526M For Sale, OEM Part # 12MS526M, Bosch Part # 0 281 020 006, 12V, Pulled Off 2003 Mack AI 300HP @ 1950RPM, Driver's Side, Serial #... ConditionUsedPart Number12MS526M, 0281020006Stock Number10125 MLS Number14303752CategoryEngine Control Modules (ECM) Last Updated4/10/2026 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Mack 12MS526M Engine Control Module (ECM) $750 USD ConditionUsedStock NumberECM-645 MLS Number12179948CategoryEngine Control Modules (ECM) Last Updated3/12/2026 LocationLAKEVILLE, MN, US Sold ByManders Diesel (866) 314-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Mack 12MS526M Engine Control Module (ECM) Part # 12MS526M $600 USD (GOOD USED) Mack ECM Part# 12MS526M, 12V, ECM Bosch Part # 0281020006, Stock # 2581 Tested Inspected! All ourPARTSareTESTEDand ShipPRIORITY MAIL!OVERNIGHT SHIPPINGoptions are available!... ConditionUsedFits To Make(s)MackFits To Model(s)12MS526MPart Number12MS526MStock Number2581 MLS Number10623396CategoryEngine Control Modules (ECM) Last Updated1/15/2021 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info