Cummins 3931350 Turbo Oil Drain Gasket

The Cummins 3931350 turbocharger oil drain gasket is engineered to seal the connection between the turbocharger bearing housing and the oil drain tube. Manufactured to OEM specifications, it withstands high thermal cycles and oil pressure fluctuations inherent in heavy-duty diesel applications. Compatible with Cummins B Series (3.9L, 5.9L), C Series (8.3L), L10, M11, ISM, and ISX engine platforms. Cross-references include Cummins 3285747, 5264569, 3819378, 3942725, 3937706, and Holset 5264569H. Direct replacement for factory installation during turbocharger service or engine overhaul. Material composition features high-temperature resistant composite or metal-core construction designed for extended service intervals. Interchangeable with aftermarket references PAI 131480, Mack 420643, and Interstate-McBee M3914388.