Mercury-Mercruiser 27-805403A1 Intake Gasket Set
This is a genuine Mercury Marine factory OEM part, not aftermarket
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Intake Manifold Gasket Set27-805403A1
Contains:
2 Intake manifold gaskets
End Seal Replacement - Rubber end seals are no longer be available for the following Mercury MerCruiser engines:
Engine Serial Number Range
Mercury MerCruiser 7.4L Models: All
Mercury MerCruiser 8.2L Models: All
Mercury Marine recommends the use of a sealant in place of the rubber end seals.Apply a 6.4 mm (0.25 in.) bead of Loctite 5900 Ultra Black RTV Silicone Sealant on the front and rear end seal bosses of the
engine block between the cylinder heads. The sealer should extend 12.7 mm (0.50 in.) onto the cylinder head.
Intake Manifold Gasket Set27-805403A1
Contains:
2 Intake manifold gaskets
End Seal Replacement - Rubber end seals are no longer be available for the following Mercury MerCruiser engines:
Engine Serial Number Range
Mercury MerCruiser 7.4L Models: All
Mercury MerCruiser 8.2L Models: All
Mercury Marine recommends the use of a sealant in place of the rubber end seals.Apply a 6.4 mm (0.25 in.) bead of Loctite 5900 Ultra Black RTV Silicone Sealant on the front and rear end seal bosses of the
engine block between the cylinder heads. The sealer should extend 12.7 mm (0.50 in.) onto the cylinder head.