Big-Autoparts Water Pump Impeller for 65HP-225HP Mercury 47-89984/47-65960, Chrysler&nbsp;47-803631T,&nbsp;Sierra&nbsp;18-3017 Depth /Height/width : 33.78mm; Outer /External impeller overall Diameter: 59.69mm; Internal shaft insert /Hub Diameter : 22.33mm; Net Weight: 86g; Material: Impeller(CR), Shaft Sleeve (Brass) They are similar in design to stock OEM units and require only simple hand tools for installation. OE level quality and durability.100% compatible with OE parts.TS16949 certified manufacturer. Impeller for Mercury 75HP 80HP 85HP 90HP 110HP 115HP - 225HP outboard motors / Mercruiser 47-89984 47-89984T4 It replaces part Mercury impeller : 47-30221,47-65960,47-89984 ,47-89984T4; Chrysler impeller Part 47-89984T4, 47-F694065,47-803631T To ensure this impeller is suitable for your engine. Please feel free to ask us any questions. We promise to answer you in 24 hours.