Sierra 18-60520 Marine Cylinder Cover Gasket Gaskets & Seals

The Sierra 18-60520 is a marine-grade cylinder cover gasket engineered to seal the cylinder cover on outboard and inboard/outboard marine engines. Designed as a direct replacement for the original equipment gasket, it helps prevent water intrusion and combustion leaks at the cylinder cover mating surface, maintaining proper engine compression and cooling integrity.

Sierra International is a leading manufacturer of aftermarket marine engine components, and every Sierra gasket is manufactured to meet or exceed the specifications of the original equipment part it replaces. This gasket is constructed from durable, marine-rated materials selected to withstand the demanding temperature cycles, vibration, and moisture exposure common in marine engine environments.

Key Features:

• Direct OEM-replacement cylinder cover gasket for marine engine applications
• Manufactured to meet or exceed original equipment specifications
• Marine-grade materials for durability in harsh saltwater and freshwater environments
• Precision die-cut for accurate fit and reliable sealing
• Part of Sierra's comprehensive marine engine gasket program

Whether you're performing routine maintenance or a full powerhead rebuild, the Sierra 18-60520 cylinder cover gasket delivers the fit and reliability needed to get your engine back on the water with confidence.