18-3446 Water Pump Kit

For Mercury Mariner 4HP (made in USA) SRL#: 5595532 & Up 4.5HP SRL#: 4107220-5595531 4.5HP SRL#: 5595532 & UP. Kit includes: 18-3039 Impeller OE#: 47-89981-1 x1 18-3139 Impeller Plate OE#: 46895 x1 Impeller Housing Cup Seal kits Impeller Key