Genuine Mercury Marine Parts for Mariner Outboard Engines. Contains a genuine water pump impeller and impeller key along with all the necessary seals and gaskets that need to changed when replacing the impeller. Mariner 4-cylinder Four Stroke outboard engines 40hp, 50hp and 60hp, fitted with Big Foot gear cases. This part supersedes from part number 47-43026Q06.This part number supercedes from. The item "Genuine Mariner Water Pump Impeller Repair Kit 75hp 90hp 115hp 3-cyl Optimax" is in sale since Tuesday, June 17, 2014. This item is in the category "Vehicle Parts & Accessories\Boats Parts & Accessories\Boat Engines & Motors". The seller is "splash-marine" and is located in Manchester. This item can be shipped worldwide.