Sierra Lower Gear Housing - Mercruiser.
Replaces: 1623-8951A27, 1623-8951A37, 1623-8951A5, 1623-8951A15
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 S18-2206-1 gear kit which includes tapered roller bearing S18-1156 for tractor 13/21 gears.
Part Number |
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SRA-S18-2401 |