Cummins 3934638F Oil Drain Gasket Assembly

The Cummins 3934638F oil drain gasket is engineered to provide a leak-free seal at the turbocharger oil return connection or engine oil drain tube interface. It is designed for high-temperature diesel engine environments, ensuring reliable sealing performance under thermal cycling and vibration conditions typical of heavy-duty applications. This gasket replaces OEM part numbers 3934638, 3932444, 5264571, and 3819900. It is compatible with Cummins B, ISB, QSB, ISF2.8, ISF3.8, and ISG series engines found in Foton Auman trucks, Hyundai wheel loaders, and various construction machinery. Constructed from high-temperature resistant composite materials with metal reinforcement for structural integrity.