About Labwork： Labwork is an Auto Parts One-Stop Solution brand of more than 10 years, which specializes in providing global customers with top-notched quality automotive parts & accessories . If you need any auto parts, its enough to come to Labwork. Features： Use to remove and install front crankshaft seal and wear sleeve without damaging the seal and leakage. Make sure of the correct installation depth of the crankshaft seal. Directly replace part numbers 4918991. Fitment： For Cummins ISX12 and ISX15 with single overhead cam. Package Includes： .