Certification: ISO9001 factory production; CE documents available upon request
Real Product Photos: Cylinder head gasket full view, sealing surface detail, Tohatsu 4‑5HP outboard mounting reference picture
This heavy‑duty aftermarket cylinder head gasket is a dependable direct‑fit spare for Tohatsu 4HP and 5HP two‑stroke marine outboard engines. It replaces OEM part number 369‑01005‑0.
Constructed with multi‑layer composite high‑temperature resistant sealing material. This head gasket delivers outstanding pressure‑resistance, thermal‑resistance and anti‑corrosion properties.
It can endure high combustion pressure, frequent temperature swings and humid salt‑mist marine surroundings to maintain stable sealing performance.
Sandwiched between cylinder head and engine block, this gasket seals combustion chambers and cooling passages.
Reliable sealing prevents compression loss, cooling water leakage, gas blow‑by and coolant‑gas mixing, securing stable cylinder compression for consistent engine operation.
Manufactured in strict compliance with original OEM specifications, this gasket matches original contour, port layout and thickness. It resolves common top‑end faults such as gasket blow‑out, water entering cylinder, compression loss, overheating and power drop caused by aged, burnt or damaged original factory head gasket.
For Mercury Mariner Outboard part number: 27-812939015, 812939015
Some Mercury Mariner Mercruiser Outboard 4HP, 5HP(2 & 4 stroke) engines.
Tohatsu Engine Holder 4HP 5HP 2 Stroke
Order number: 369-01005-0
Tohatsu OEM: 369-01005-0



1 years
China