View 3 Photos View 0 Videos 2004 Used Mack AI400 Crank Pulley Adapter Newly Listed $55 USD Used AI400 Crank Pulley Adapter, Type: Crankshaft Adapter, Diameter: 4:", Material: Cast ConditionUsedFits To Make(s)MackFits To Model(s)AI400Will Fit Year(s)2004Part Number788GB46AMStock Number580-10259 MLS Number14723908CategoryEngine Pulleys Last Updated11/6/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info