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Cummins

O-ring seal for Cummins engines

P/N 3090127

This O-ring seal is designed for use in various Cummins engine applications to maintain fluid containment. It ensures a tight barrier within static and dynamic joints to prevent leakage of oils, fuels, or coolants.

Specifications

Part number
3090127
Brand
Cummins

The 3090127 O-ring seal functions as a sealing component within Cummins engine assemblies. By being compressed into a groove between two mating surfaces, it creates a hermetic barrier that prevents the escape of internal fluids and gases while blocking the entry of external contaminants. This component is used in multiple locations across the engine, including fuel lines, oil connections, coolant passages, valve covers, and injector ports, where maintaining a leak-free environment is necessary for system pressure and efficiency.

This component is compatible with a wide range of Cummins engines found in heavy machinery, such as cranes, excavators, dump trucks, and power generation equipment. The seal is manufactured to the specific dimensions required for proper seating within the designated engine grooves. It is produced by Cummins to meet the original design specifications for fitment and function within these power units.

In engine systems, O-rings serve as the primary seal for static and dynamic joints. They are selected based on their ability to withstand the operating temperatures, pressures, and chemical environments of the specific fluid they contain, whether it is lubricating oil, diesel fuel, or engine coolant.