Water Pump Impeller For Mercury 2hp 2.5hp 3.5hp 2 / 4 Stroke Outboard Engine : Water motor impeller have 6 blades . Height : 14 . 30mm , External Impeller Overall Diameter : 33 . 58mm , Internal Shaft Insert Diameter : 10 . 25mm . This aftermarket impeller replaces for Mercury outboard motor part 47 - 16154 - 3 , for Tohatsu outboard motor part 369 - 65021 - 1 , for impeller 18 - 3098 . 39 ; t used or rebuilt . Similar in design to stock OEM units and require only simple hand tools for installation . Direct replacement , OE level quality and durability . Fits for Mercury / Mariner ( 4 - STROKE ) Carb 2HP 2 . 5HP 3 . 5HP , for Mercury / Mariner ( 2 - STROKE ) 4HP 5HP , 6HP Specification : No . Blades : 6 Depth / Height / Width : 14 . 22mm Outer / External impeller overall Diameter : 33 . 78mm Internal shaft insert / Hub Diameter : 10 . 30mm Net Weight : 7g Material : Impeller ( CR ), Shaft Sleeve ( Nylon ) For Mercury / Mariner ( 4 - STROKE ) Carb : 2HP , 0R131842 and amp ; Up 2 . 5Hp , 0R131842 and amp ; Up 3 . 5HP , 0R131842 and amp ; Up For Mercury / Mariner ( 2 - STROKE ) 4HP , 0T894439 and amp ; Up , 0P401000 and amp ; Up 5HP , 0T894439 and amp ; Up , 0P401000 and amp ; Up 4HP , 0G710613 THRU 0T894438 , 0P017000 THRU 0P400999 5HP , 0P017000 THRU 0P400999 , 0G710613 THRU 0T894438 For Mercury / Mariner 2HP , 0T884302 THRU 0T894576 For Mercury / Mariner 3 . 3HP , 2 . 5HP , 0G710613 THRU 0T894576 For Mercury / Mariner 3 . 3HP , 2 . 5HP , 0P017000 THRU 0P400999 For Mercury / Mariner 6HP , 5HP , 4HP ,( 4 - STROKE ), 0R000001 THRU 0R067089 , 0P073456 THRU 0P400999 For Mercury / Mariner 2HP , 2 . 5HP , 3 . 3HP , 0T894577 and amp ; Up For Mercury / Mariner 2 . 5HP , 3 . 3HP , 0P401000 and amp ; Up For Mercury / Mariner 6 5 4 ( 4 - STROKE ), 0R067090 and amp ; Up , 0P401000 and amp ; Up Package Includes : 1x Water motor impeller