Drive Shaft Bearing Retainer Wrench Tool For Alpha One Gen 1 And Gen 2 Sterndrive Gearcase And Mercury Outboard Engines 2.0L 2.4L 2.5L Without Preloaded Pin And 3.0L Replaces OEM Parts 91 43506T 18 9842 90240

Mercruiser Alpha One Bearing Retainer Wrench - OEM Replacement ✔️ Direct OEM replacement for 91-43506T/91-43506, 18-9842, single tool

This drive shaft bearing retainer wrench is a precision tool designed to easily remove and install the threaded bearing retainer nut under the water pump housing on Mercruiser Sterndrives and Mercury Mariner gearcases.

✅ Wide compatibility with Alpha One Gen 1/2 and Mercury 2.0L-3.0L engines
✅ Direct OEM replacement for Mercruiser 91-43506T/91-43506, Sierra 18-9842, GLM 90240
✅ Designed for easy removal and installation of the threaded bearing retainer nut under the water pump housing
✅ High-grade steel construction for durability and long service life
✅ Suitable for Mercruiser Sterndrives and Mercury Mariner gearcases

💡 What is a drive shaft bearing retainer wrench used for?

This handy tool helps marine technicians service Mercruiser Sterndrives and Mercury Mariner gearcases efficiently.

- removes the threaded bearing retainer nut under the water pump housing - fits Alpha One Gen 1/2 and Mercury engines 2.0L-3.0L with listed retainer numbers - built from durable high-grade steel for long life - serves as a direct OEM replacement to streamline maintenance