Features: Replace For Yamaha Impeller 63V-44352-01-00 8HP 9.9HP 15HP 20HP Sierra 18-3040 High Quality. Have good seawater corrosion resistant property Full Power Plus Impellers engineered for over-performance,manufactured for extra-long service life Applications: For Yamaha 2-stroke and 4 stroke outboard motors: For 9.9M 9.9hp 2-Stroke 1999 & Newer For 15M 15hp 2-Stroke 1999 & Newer For T8 8hp 4-Stroke 2001 & Newer For T9.9 9.9hp 4-Stroke 2005 & Newer For F15 15hp 4-Stroke 1998 & Newer For F20 20hp 4-Stroke 2006 & Newer Specifications: Color: Black Number of Blades: 6 External/Overall Diameter: 53mm/2.09" InternalShaft insert/hub Diameter: 12mm/0.47" Height/Depth: 14mm/0.55" Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you No Retail Package Package Includes: 1 x Water Pump Impeller