338222 Cylinder head gasket 9.9 hp 15 HP Johnson / Evinrude Outboard 778195

Cylinder Head Gasket for Johnson / Evinrude

This cylinder head gasket is a direct replacement sealing component for 9.9 hp and 15 hp Johnson and Evinrude outboard motors, referencing OEM part numbers 338222 and 778195 to restore the head-to-block seal.

Overview

This cylinder head gasket provides a tight seal between the cylinder head and engine block for 9.9 hp and 15 hp Johnson and Evinrude outboards. Designed as a replacement for OEM 338222 and 778195 gaskets, it helps maintain proper compression and prevent coolant or combustion leaks. This cylinder head gasket is intended for technicians and boat owners performing routine top-end service.

Built For Performance

• Replacement for OEM cylinder head gaskets numbered 338222 and 778195
• Seals 9.9 hp and 15 hp Johnson and Evinrude outboard engines
• Restores compression between the cylinder head and engine block
• Prevents coolant leakage at the head-to-block mating surface
• Supports dependable engine operation during repeated heating cycles

Fits These Machines

• for Johnson 9.9 hp outboard engines
• for Johnson 15 hp outboard engines
• for Evinrude 9.9 hp outboard engines
• for Evinrude 15 hp outboard engines

On-The-Job Use

• Used when replacing a worn cylinder head gasket on an outboard motor
• Helps fix compression loss from a failed head gasket
• Commonly installed during top-end engine repairs
• Supports cooling system pressure after a head gasket replacement

Specs At A Glance

Good To Know

Q: Will this cylinder head gasket work on my 9.9 hp outboard? A: It is designed for 9.9 hp and 15 hp Johnson and Evinrude outboards. Confirm your engine serial number before ordering.

Q: Can I reuse the old head gasket after removing the cylinder head? A: No, a used head gasket should not be reused because it may not seal properly. Always install a new gasket during reassembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.