View 2 Photos View 0 Videos 2005 Used Mack AC427 Crankshaft Adapter Newly Listed $150 USD Used AC427 Crankshaft Adapter, Type: Crankshaft Adapter, Diameter: 5", Material: Cast ConditionUsedFits To Make(s)MackFits To Model(s)AC427Will Fit Year(s)2005Part Number788GB43MStock Number580-10253 MLS Number14723997CategoryEngine Pulleys Last Updated11/6/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info