18-1142 - Bearing 31-32573A1

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Sierra Marine

18-1142 UPPER PINION BEARING Replaces: Mercruiser 32573A1 (1.5:1 Ratio) (Drive Gear = 22 teeth Driven Gear = 20 teeth) For most V-8 Drives and Gen II (S/N K999999 & BELOW)

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Sierra Marine Upper Pinion Bearing 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.