Cummins 3977614 Turbocharger Oil Drain Connection

The Cummins 3977614 turbocharger oil drain connection is a critical lubrication system component designed for B series diesel engines. It facilitates proper oil drainage from the turbocharger bearing housing to prevent oil accumulation overheating and mechanical failure. Manufactured to OEM specifications for exact fit and durability in heavy duty applications. This oil return pipe serves Cummins 4B3.9 6B5.9 6CT8.3 ISB3.9 ISB4.5 ISB5.9 ISB6.7 engine series including Euro 2 5.9 liter B engines. Compatible with high mount HX35 turbocharger configurations. Cross references include 3934084 3287573 4932490 3926842 3977617. Net weight 0.50 kg. Used in commercial trucks construction equipment generator sets and industrial power units.