Cummins 4B3.3/4B3.9 Lower Gasket Kit 3802375 Parts Catalogue Ref No. Part Name Part No. Required 1 Lower Engine Gasket Kit 3802375 1 2 Piston Cooling Nozzle 3901020 4 3 Front Seal Service Kit 3804899 1 4 Rear Crank Seal Service Kit 3909410 1 5 Oil Pan Gasket 3931602 1 6 Fuel Pump Gasket 3931607 1 Above is the introduction …