View 5 Photos View 0 Videos Used Mack MP7 Crankshaft Adapter Newly Listed $200 USD Used MP7 Crankshaft Adapter, Type: Crankshaft Adapter, Diameter: 5.5", Material: Cast ConditionUsedFits To Make(s)MackFits To Model(s)MP7Part Number20564212Stock Number580-10281 MLS Number14723332CategoryEngine Pulleys Last Updated11/6/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info