Features:1.A direct replacement for the old and broken one. Reference OEM number is 377178, 775519, 18-3003.2.This water pump impeller designed to fit for Johnson Evinrude OMC Outboard Engine Motor 9.5/10 HP.3.Easy to use and quick to install, and will not take up much of your time, very convenient.4.Made of copper and rubber material, which makes it durable and you can use it for a long time.5.Good repairment for the original one, will not easy to damage your car and can avoid unnecessary losses.Specification:Condition: Item Type: Water Pump ImpellerColor: Black and GoldMaterial: Copper + RubberOEM: 377178, 775519Number of Blades: 6pcsExternal Impeller Overall Diameter: Approx. 69mm/2.72inInternal Shaft Insert Diameter: Approx. 14.1mm/ 0.56inFitment:Fit for Johnson Evinrude OMC Outboard Engine Motor 9.5 HP 1964-1973Fit for Johnson Evinrude OMC Outboard Engine Motor 10 HP 1958-1963Fit for Sierra Outboard Engine Motor P/N: 18-3003Note:1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please before buying to avoid unnecessary return, thanks!