Sierra 18-3701 Prop Nut Kit MELFLOO3 Kit contains the replacement impeller

Kit contains the replacement impeller and o-ring

High wide beamwidth provides more coverage under the boat for detecting fish in the upper water column

+12V Power and ground connection required

Apply a 3-inch diameter circle of Pro Polish directly to the pad and place the machine against the surface before turning it on

Sierra 18-3701 Prop Nut Kit MELFLOO3 Kit contains the replacement impellerUsed on most Force, Honda, Mercury and Mercruiser lower units. Replaces Mercruiser #11 5270A1. Includes: One nut Force #F7000 Honda #90301 ZW1 003 Mercruiser #11 52707 Two tab washers Force #F697140 Honda #90508 ZW1 003 Mercruiser #14 31210, 14 816629