Cummins
Lower engine gasket set for Cummins 6BTAA5.9-C178
This lower engine gasket set, part number 4089998, provides the necessary seals for the lower sections of Cummins 6BTAA5.9-C178, KTA38C-1050, QSM11-C335, and QSM19-C700 engines.
Compatible models
Specifications
- Part number
- 4089998
- Brand
- Cummins
This lower engine gasket set acts as a comprehensive collection of seals designed to maintain the integrity of the lower engine block assembly. It functions by sealing the mating surfaces between components such as the oil pan, oil pump, and front cover, effectively preventing the leakage of engine oil, coolant, and combustion gases. This kit is used during major engine overhauls or maintenance procedures to ensure all lower engine connections remain leak-free and properly contained.
The 4089998 gasket set is engineered for specific Cummins engine models, including the 6BTAA5.9-C178, KTA38C-1050, QSM11-C335, and QSM19-C700. These engines are commonly found in various industrial applications, including heavy construction machinery and cranes. Each seal within the set is shaped to match the specific geometry of the engine block and its associated covers, ensuring a precise fit for the intended application.
Lower engine gasket sets serve to create a barrier between internal engine fluids and the external environment. By maintaining the seal at joints where oil or coolant might otherwise escape, these components help keep the engine's lubrication and cooling systems operating within their design parameters. Proper sealing is necessary to prevent fluid loss and contamination of the surrounding engine bay.

