Description: 【Premium Material】: Water pump impeller is Made from quality rubber known for its great durability. 【Flexibility】: The Flexibility of Pump Impeller reduces vibration damage, ensuring a longer lifespan for your water pump system.make it suitable for both saltwater and freshwater environments 【Dimensions】: The Dimension measures are Outer Diameter 51.8 mm, Height 18.9mm, and Bore Diameter 17.8mm 【Easy Installation】: Engineered to match equipment perfectly, this impeller allows for straightforward replacement of old or damaged parts. Please carefully check the part number to make sure it is suitable for your machine. 【Versatile Application】: Ideal for maintenance and repair of outboard motor water pump systems. Provides reliable performance in high performance marine engines over extended periods Specification: Material: Rubber Size Chart: Outer Diameter: 5.18cm/2.04inch Height: 1.89 cm/0.74 inch Bore Diameter: 1.78 cm/0.70 inch Package Includes: 1 Water Pump Impeller  Note: Please allow slightly errors due to manual measurement and different monitors.