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Sierra's 18-74510 Gear Housing Seal Kit is designed for use in Yamaha L225/L250 (1997-1999), LX225/LX250 (2000-2003), S225/S250 (1997-1999), and SX225/SX250 (2000-2003) HP outboard engines. The kit contains: (1) Sierra 18-0267 Oil Seal, (2) Sierra 18-4698 Drain Fill Washers, (1) Sierra 18-0244 Water Pump Gasket, (1) Sierra 18-1835 Water Seal Damper, and (1) Yamaha Outboard 6E5-44366-00-00 Water Seal Damper. It is interchangeable with Mallory 9-74510 and Yamaha Outboard 65L-W0001-C0-00. Check manufacturer recommendations to ensure a proper fit before purchasing. Each Sierra product meets or exceeds the original equipment part it replaces.