1 0 International 7.3 PS8 Flywheel Recently Updated $40 USD Good used, cleaned and inspected International Navistar 7.3 Powerstroke Flywheel. Part Number: 1800644C. Quantity8ConditionUsedFits To Make(s)INTERNATIONALFits To Model(s)7.3 PS8Part Number1800644CStock NumberRyd 1800644C MLS Number10204481CategoryFlywheels Last Updated10/23/2025 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info