ITEM NAME:Boat Outboard Water Pump Impeller Repair For Yamaha 63v-44352-00/ 9.9/15hp Description: Easy Installation,Keep a spare in the toughest Marine Environment with Chemical Resistant Neoprene Impeller. HJB-J-181 For Yamaha outboard engines 63v-44352-00/ 9.9/15hp External Impeller Overall Diameter: 52MM / 1.62 inch Internal Shaft Insert Diameter: 14MM / 0.55 inch Impellers engineered for over-performance,manufactured for extra-long service life,quality is guaranteed. Specification: Replaces P/N: 63V-44352-01-00 NO.Blades: 6 Internal Diameter: 12.85mm External Diameter: 53.00mm Depth: 14.00mm Applications for Yamaha outboard engines: 9.9hp 2-Stroke 1999 & Newer 15hp 2-Stroke 1999 & Newer T8 8hp 4-Stroke 2001 & Newer T9.9 9.9hp 4-Stroke 2005 & Newer F15 15hp 4-Stroke 1998 & Newer F20 20hp 4-Stroke 2006 & Newer Package Includes: 1 x Water Pump Impeller.HJB-J-181 For Yamaha outboard engines 63v-44352-00/ 9.9/15hp. 15hp 2-Stroke 1999 & Newer. F15 15hp 4-Stroke 1998 & Newer. 1 x Water Pump Impeller. Applications for Yamaha outboard engines T8 8hp 4-Stroke 2001 & Newer.