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Mercury MerCruiser 31-62799A1 Reverse Gear Bearing Aqua Power 1905 Sierra 18-1111
- Mercury MerCruiser Upper and Lower Unit Outdrive Reverse Ball Bearing
- Position: Upper, Lower
- Manufacturer: Sierra by Aqua Power
- Part Number: 1905, 18-1111
- Also Known As:
- Mercury MerCruiser 31-62799A1, 3162799A1
- OMC 509436
- Sierra 18111
- For use with:
- 255/280 TRS - 255-TRS 1973-1974
- 255/280 TRS - 280-TRS 1975-1976
- II TR STERNDRIVE (2.00 RATIO) - II-TR 1973-1976
- TR (200 RATIO) TRS (1.50 RATIO) STERN DRIVE - TR/TRS 1977-1993
- ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - SSM II/III/IV/V 1982-1995
- ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - ALPHA ONE SS 1986-1989
