Cummins 3035598 Turbo Oil Drain Tube

The Cummins 3035598 turbo oil drain tube directs pressurized oil from the turbocharger center housing back to the engine crankcase. Manufactured to OEM specifications for exact fitment on Cummins B-series, ISB, ISC, ISL, ISLe, QSB, and QSL engine platforms. Constructed from high-temperature resistant steel alloy with precision-formed flanges to ensure leak-free sealing under cyclic thermal loads. Designed to withstand continuous exposure to engine oil temperatures exceeding 120°C and turbocharger housing heat soak. Critical component for maintaining turbocharger bearing lubrication integrity and preventing oil coking in the center housing.