3 0 Cummins ISL Flywheel Housing for a 2022 Mack MD Contact for price (Used) 2021 Cummins ISL, FLYWHEEL HOUSING- Part number: 3999869. Material: Aluminum, Reference images for condition For more information about this Item, give us a call. We ship Worldwide!... ConditionUsedFits To Make(s)MackFits To Model(s)MDWill Fit Year(s)2022Part Number3999869Stock NumberP-96577 MLS Number13392263CategoryFlywheel Housings Last Updated2/12/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info