View 0 Photos View 0 Videos 2020 Mack MP8 Engine Control Module (ECM) for a Mack An (AnTHEM) $1,375 USD (USED) Mack MP8 HP: 455 Ref# 23166751 USED ECM P/N 23166751 ConditionUsedFits To Make(s)MackFits To Model(s)AN (ANTHEM)Part Number23166751Stock Number25892372 MLS Number13968192CategoryEngine Control Modules (ECM) Last Updated12/17/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info