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Lightly lubricate the new seals with marine-grade grease before installation
and 18 HP 2-stroke outboard engines
Advanced Material Engineering
Clean all mating surfaces thoroughly
26-77066A1 Gearcase Seal Kit for Mercury Mariner Force | JLM Marine family-yamaha-115tlrz Lightly lubricate the new sealsGearcase Seal Kit Fits Mercury, Mariner, and Force 3. 99. 8 HP Outboards (19751986) This gearcase seal kit is designed to fit 3. 99. 8 HP Mercury, Mariner, and Force outboard lower units manufactured from 1975 to 1986. It provides a complete sealing solution for your lower unit, ensuring reliable protection against water intrusion and gear oil leaks. Direct replacements: Mercury 26 77066A1, Sierra 18 2628. This kit is engineered to meet OEM