GASKET KIT 5005907

Function and technical context

This gasket kit guarantees tightness in the critical joints of the outboard motor, acting as a sealing barrier between metal surfaces subjected to pressure, temperature and continuous vibration. The gaskets work simultaneously in several engine systems - cooling, exhaust and internal distribution - preventing the mixing of fluids, the entry of water into the combustion chamber and the leakage of gases to the outside. When the gaskets deteriorate, the engine can suffer compression losses, progressive overheating or the entry of salt water into circuits that should not have it, with consequent severe damage to internal components. Renewing the entire kit in a single intervention ensures that all sealing surfaces are in optimal condition simultaneously, which is especially recommended after any major engine disassembly.

When to replace this gasket kit?

The most common symptoms of deteriorated gaskets on an outboard include oil or water bubbles in the expansion tank, a burning smell in the engine compartment, visible loss of compression detected in the cylinder analysis, or moisture stains around the cylinder heads and manhole covers. It is recommended to inspect the condition of the gaskets during each seasonal maintenance and replace them whenever the cylinder head, block or timing cover is dismantled, regardless of their visual appearance. Changing the kit preventively during a scheduled overhaul prevents serious breakdowns at sea and significantly reduces the total cost of the repair.

Compatible Johnson/Evinrude Engines

Equivalent manufacturer part numbers