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Browse for more products in the same category as this item:![]() Drive Shaft Seals Mercury Outboard Models > 1974 - 1976 > Merc 40 > 1976 4hp (9086839 - 9141798) > Lower Unit Mercury Outboard Models > 1977 - 1979 > Merc 40 > Lower Unit Mercury Outboard Models > 1974 - 1976 > Merc 40 > 1974 4hp (3764825 - 4107219) > Lower Unit Water Pump Housing Seals |