18-2401 - Housing, 1623-8951A37

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Sierra Marine

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.

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Sierra Marine Lower Gear Housing is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.