Sierra 118-3475 Water Pump Repair Kit Without Housing for Yamaha Outboard

The Sierra 118-3475 is a complete water pump repair kit designed specifically for Yamaha T8 (2001-2010) and T9.9 (2007-2018) outboard engines. This comprehensive service kit provides all the essential components needed to rebuild your water pump and maintain optimal engine cooling performance.

Key Features:

• Engineered to meet or exceed OEM specifications for reliable performance
• Manufactured from high-quality rubber compounds, stainless steel, and composite plastics
• Designed to withstand harsh marine environments and saltwater exposure
• Includes impeller, insert cup, wear plate, gaskets, O-rings, and fasteners
• Does not include water pump housing (housing sold separately)
• Direct replacement for Yamaha OEM part number 69G-W0078-00-00

Regular water pump maintenance is critical for preventing engine overheating and costly repairs. Water pump impellers can deteriorate during periods of inactivity or from exposure to extreme temperatures, reducing cooling efficiency. Sierra recommends servicing your outboard's water pump every 100 hours of operation or at least once annually to ensure reliable performance and extend engine life.