MERCURY GASKET KIT 27-41499A87

Function and technical context

This gasket kit constitutes a complete set of sealing elements designed for the critical systems of Mercury Mariner engines from 15 to 25 hp. Gaskets perform the essential function of sealing the connections between engine components, preventing coolant, oil and seawater leaks in high pressure and temperature areas. When working in the cooling, lubrication and internal systems circuits of the engine block, its deterioration causes leaks of sealing that compromise the structural integrity of the engine and can lead to overheating, internal corrosion and irreversible damage to cylinders and crankcases.

When to replace this part?

Gaskets require replacement when visible leaks are detected around engine joints, abnormal loss of coolant or oil, or after any disassembly intervention that has separated sealed components. Although there is no strict time interval, the recommended practice is to replace the gaskets during each major engine repair or cylinder head overhaul, and always inspect their condition at the annual seasonal inspections. Preventive replacement in maintenance tasks avoids unexpected breakdowns in navigation and costly emergency repairs at sea.

Compatible Mercury Mariner Engines

Equivalent manufacturer part numbers