The 630979-9 O-ring seal is an OEM Continental elastomer sealing component used in aircraft piston engine assemblies. It provides a leak-tight seal between mating engine parts in fluid, air, or oil passages depending on installation location. The “-9” suffix indicates a specific dimensional variant within the 630979 O-ring family used for precise fitment in Continental engine systems.

It is a standard consumable sealing part used across multiple Continental engine configurations and is selected strictly according to IPC (Illustrated Parts Catalog) specifications to ensure correct compression and sealing performance.

Key features include:

Genuine Continental OEM O-ring seal
Precision-molded elastomer material (oil and fuel resistant compound)
Provides airtight and oil-tight sealing between engine components
Designed for high-temperature and high-pressure aviation environments
Resistant to aviation oils, fuels, and thermal cycling
Maintains pressure integrity in engine fluid/air systems
Application-specific size variant (-9 configuration)
Compatible with Continental piston engine assemblies (IPC-dependent use)
FAA-approved aircraft engine sealing component
Used in certified engine maintenance and overhaul procedures