Product Description
Cummins 3042401 blow-by breather tube grommet for compatible ISM, M11, QSM11, and N14 diesel engines. Designed to seal the connection where the crankcase breather tube passes through the engine cover, helping prevent oil leaks and maintain proper crankcase ventilation.
This rubber grommet is used with compatible breather tube assemblies, including Cummins 3047134.
Cross-references include PAI 121178 and Mack 1577-3042401.
Verify engine model, serial number, breather tube configuration, and original equipment part number before ordering.
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