Hinge Pin Tool – Fits MerCruiser Alpha & Bravo Sterndrive (Replaces 91-78310, 18-9861)

Hinge Pin Tool – Fits MerCruiser Alpha & Bravo Sterndrive (Replaces 91-78310, 18-9861)

This specialty hinge pin tool is designed for removing and installing the hinge pins on MerCruiser sterndrive bell housings. It is compatible with a wide range of models, including Alpha One (Gen I & II), Bravo (I, II, & III), MC-1, R, and MR sterndrives.

This tool is a direct aftermarket replacement for Mercury part number 91-78310, Sierra 18-9861, GLM 90200, and Mallory 9-79805, ensuring a precise fit for service and maintenance.

• Material: Constructed from hardened steel for durability and strength.
• Function: Allows for proper removal and installation of hinge pins on both port and starboard sides.
• Tool Style: 12-Point Allen style head for secure engagement with the hinge pin bolt.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.