Description:
•Upper Drive Shaft Top Cover ScrewKey Features:•3/8-16 x 1 in., 12 point flange headAdditional Details:•For:Mounting MCM thermostat housing, exhaust block-off plate & Alpha/Bravo top coverInterchange:Mercruiser Stern Drive•10-8M0113180•10-98794Mallory•9-78129GLM•28300




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