18-2401 - Housing, 1623-8951A37
18-2401 LOWER GEAR HOUSING Replaces: Mercruiser 1623-8951A27, 1623-8951A37
For: MR/ALPHA Style
Bore size 3.2635-3.2650. Includes tapered roller bearing for non-tractor 14/28 or 17/28 gears. When installing new gears use 18-2206-1 gear kit which includes tapered roller bearing 18-1156 for tractor 13/21 gears.
Sierra Marine Lower Gear Housing is equivalent to parts:
- 1623 8951A37 Mercury Marine
- 9-79127 Mallory Marine
Additional information about this part can be found on page(s) 710 of the Sierra Marine catalog.