View 2 Photos View 0 Videos Mack 675 Flywheel Housing Recently Updated $650 USD 675, Used, P/N 634GC5226 - Part #: 634GC5226, Core Charge: 0.00 ConditionUsedStock Number165497 MLS Number11661016CategoryFlywheel Housings Last Updated8/12/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info