Yamaha - Nut Castle - 90171-18053-00 Mercury-50HP-EFI-2003 dependable fuel so you can

dependable fuel so you can focus on the run

It is commonly used during water pump service or rebuilds where proper water flow routing is critical for maintaining engine temperature

OEM-grade aluminum composition and precise fit ensure correct sacrificial wear and reliable corrosion protection

or cruising open water

90445-11019-00 - HOSEWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer

Yamaha - Nut Castle - 90171-18053-00 Mercury-50HP-EFI-2003 dependable fuel so you canYamaha Nut Castle 90171 18053 00 Made from the highest quality materials to last for years to come, Guaranteed to meet the highest standards of quality and durability, Designed to withstand the toughest abuse, Genuine OEM Yamaha part, Special Order Item. 90171 18053 00 NUT,CASTLE WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information