Powerhead Gasket Set 20 25 28 30 35 HP for Johnson / Evinrude Outboard 433941

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Powerhead Gasket set for Johnson Evinrude

High-quality marine engine spare parts.



Reference to Johnson / Evinrude : 0389206 0392615 0392567 0433941





Applications:



20 25 28 30 35 hp , 2 stroke models



20 HP 1985-1998



25 HP 1979-2001



28 HP 1986-1996



30 HP 1985-2001



35 HP 1979-1996



A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression.





Gaskets are normally made from a flat material, a sheet such as paper, rubber, silicone, metal, cork, felt, neoprene, nitrile rubber, fiberglass, polytetrafluoroethylene (otherwise known as PTFE or Teflon) or a plastic polymer (such as polychlorotrifluoroethylene).



One of the more desirable properties of an effective gasket in industrial applications for compressed fiber gasket material is the ability to withstand high compressive loads. Most industrial gasket applications involve bolts exerting compression well into the 14 MPa (2000 psi) range or higher. Generally speaking, there are several truisms that allow for better gasket performance. One of the more tried and tested is: "The more compressive load exerted on the gasket, the longer it will last".



There are several ways to measure a gasket material's ability to withstand compressive loading. The "hot compression test" is probably the most accepted of these tests. Most manufacturers of gasket materials will provide or publish the results of these tests.