Drive Shaft Adapter for MerCruiser Alpha One – Replaces 91-56775T

Turn or hold the drive shaft so the pinion gear nut can be removed or torqued. The AMT0063 slides over the drive shaft and gives you a wrench surface without damaging the shaft. It replaces Mercury drive shaft holding tool 91-56775T and is made from nickel-plated steel for corrosion and wear resistance. Backed by the Marine Tech Tools lifetime warranty.

Reference part numbers: 91-56775T, 91-56775, 18-9854

Fits These Motors

• MerCruiser MC-I, R-MR, Alpha One and Alpha One Gen II
• Mercury and Mariner 3- and 4-cylinder outboards, 70-125hp

Works With

• Drive Shaft Adapter for MerCruiser Bravo (AMT0065)