Name:Water Pump Impeller Number of Blades: 6 Depth /Height/width :11.68mm Outer /External impeller overall Diameter: 58.92mm Internal shaft insert /Hub Diameter : 12.81mm Product features:resistant to high temperature, oil, corrosion and deformation Manufacturer Part Number: 7-42038 47-42038-2 47-42038Q02 18-3062 Fitment: For Mercury /Mariner 2 stroke 2 cylinders outboard motors: 6hp, 8hp, 9.9hp, 10hp and 15HP For Mercury 4 stroke outboard motors: 8hp /9.9hp (2004 &prior) ,15hp (2005 &prior) ,all with standard Gearcase . Also fit 1998 Force /Sears 9.9 and 15hp outboards with standard gearcase . Material: plastic colour: black Package Contents: 1 x Water Pump Impeller Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.