06 11 2018 06 11 2018 3 comments on 4 3 mercruiser drain plugs diagram.
Mercruiser 4 3 drain plugs.
The mercruiser engine is a popular inboard motor for boats.
Replacementkits com fits mercruiser manifold engine block drain plugs replaces other glm 13992 malloy 9 41203 sierra 18 4226 3 4 out of 5 stars 13 14 99 14.
Mercruiser drain plugs if you leave the plugs out there is no need for antifreeze but you still want to stabilize your fuel system properly.
Thread on the plug is 13.
The 4 3 mercruiser engine is a popular inboard motor for boats.
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