Sierra Cylinder Head Gasket for Yamaha Outboard Gaskets & Seals

The Sierra cylinder head gasket for Yamaha outboards is a replacement sealing component. It is designed to seal the joint between the cylinder head and engine block. This product line covers head gaskets for a range of Yamaha outboard engines. Each gasket helps keep combustion pressure, coolant and oil in their proper passages. Boaters often search for it as an outboard head gasket, powerhead gasket or cylinder head seal.

Key Features:

• Marine-oriented replacement gasket for sealing the cylinder head to the block on Yamaha outboard engines
• Helps maintain compression and prevent leaks of combustion gases, water and oil
• Built to hold up to repeated heat cycling and the demands of marine operation
• Aftermarket alternative to the original equipment gasket from Sierra, a well-known marine engine parts brand
• Suited to engine rebuilds, overhauls and routine head service

Sierra International has long supplied marine replacement parts for outboard, sterndrive and inboard engines. Choose the specific part number for your engine from the variants listed on this page. A fresh head gasket is a key part of a reliable outboard rebuild or repair.