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Cylinder Head Assembly

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Part Number
18-4489

Manufacturer
Sierra Marine

18-4489 CYLINDER HEAD ASSEMBLY
Replaces: MerCruiser 936-5544, 936-810840/986767, 938-884739R01
Fits: 2.5L/3.0L GM (1968-95) (non MerCruiser LX models) (1968-95)

All cylinder heads are new castings and complete assemblies with new- stainless steel valves, hardened steel exhaust seats, valve springs, valve locks, and retainers. All GM cylinder heads utilize high performance screw-in rocker arm studs in place of factory press in rocker arm studs.

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Sierra Marine Cylinder Head Assembly is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.