Hinge Pin Tool – Fits Mercury Mercruiser Alpha One, Gen II & Bravo Sterndrives (Replaces 91-78310, 18-9861) Skeeter Boats These components wear as a

These components wear as a set

while others provide a set of four for both rams

If it becomes stiff or worn

Attach the fuel line to the new carburetor

Constructed with a heavy-duty metal shell that is 50% thicker than standard filters for enhanced durability

Hinge Pin Tool – Fits Mercury Mercruiser Alpha One, Gen II & Bravo Sterndrives (Replaces 91-78310, 18-9861) Skeeter Boats These components wear as aProduct Details This Hinge Pin Tool is designed for the removal and installation of hinge pins on Mercury Mercruiser sterndrives, including Alpha One (Gen I & II), Bravo (I, II, & III), MC 1, R, and MR models from 1975 to the present. The tool is used on the hinge pin bolts to separate the sterndrive housing from the gimbal ring, simplifying service and maintenance. It serves as a direct aftermarket replacement for Mercury part 91 78310, Sierra 18