Product Name:Water Pump ImpellerNumber of Blades: 6External diameter: approx. 39.8mm/ 1.57inInternal diameter: approx. 11.1mm/0.44inProduct features:resistant to high temperature, oil, corrosion and deformationManufacturer Part Number: 6E0-44352-00-00 6E0-44352-00 6E0-44352-003 18-3073Fitment: For Outboard Motor4hp Y amaha 4-Stroke 1999 - 20066hp Y amaha 4 Stroke 2006 (F6LMHA,F6SMHA)4hp Y amaha 2-Stroke 1984 - 19995hp Y amaha 2-Stroke 1984 - 20024hp/5hp Hidea 4-stroke and 2-stroke outboardsMaterial: plasticcolour: blackPackage Contents:1 x Water Pump ImpellerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.