Features 1.Fitment: Water pump impeller is good replacement for Evinrude Johnson OMC BRP 40hp 50hp Outboard Engine. 2.Part Number: Replacing part number for reference are 432941 766435 0432941 0766435, and other OE, replacement for Sierra 18‑3104, 18‑3104‑1. 3.Multi Purpose: The impeller can be used for water pumping such as engine cooling, water delivery, wash down and bilge water pumping and other purposes, for fresh or sea water work. 4.Recommendation: Flexible pump impeller is recommended to be replaced at least once a year or earlier, depending on engine duties. Always carry a spare impeller with you before rowing. 5.Premium Material: Outboard water pump impeller is made of the high quality hardened copper and neoprene, which is heat resistant, wearproof and not easy to damage. Specification Item Type: Outboard Water Pump Impeller Material: Hardened Copper and Neoprene Rubber OEM: 432941 766435 0432941 0766435 Other OE: Replacement for Sierra 18-3104, 18-3104-1 External Impeller Overall Diameter: Approx. 78.13mm(3 5/64in) Depth Height Width: Approx. 25.07mm(63/64in) Internal Shaft Insert Hub Diameter: Approx. 19.11mm(3/4in) Number Blades: 3 Fitment: Replacement for Evinrude Johnson 40hp 48hp 50hp 1989-1994 outboard motors Replacement for Evinrude outboards: E40, TE40, VE40, E48, VE48, E50, TE50, VE50, Replacement for Johnson outboards: J40, TJ40, J48, VJ48, J50, TJ50, VJ50 Replacement for Evinrude Johnson OMC BRP 40hp 50hp Outboard Engine Package List 1 x Outboard Water Pump Impeller