Cummins 3920706 Cup Plug: Function, Design, and Application In modern diesel engines, even the smallest sealing component can directly affect overall performance and durability. The Cummins 3920706 cup plug, also commonly referred to as a cup-shaped core plug, is a vital part used to seal unused or temporary openings in the engine block and cylinder …
Cummins 3903834 Twelve-Point Head Bolt: Technical Overview and Applications In modern diesel engines, fasteners play a far more critical role than many operators realize. The Cummins 3903834 twelve-point head bolt is a prime example of a precision-engineered component designed to secure vital engine assemblies under extreme operating conditions. Although it may appear simple, this bolt …