Description: Material: The water pump impeller repair kit is made of rubber and metal material, is sturdy, and long service timePart Number:The water pump impeller repair kit part number is 6BX-WG078-00for YAMAHA F4B F5A F6C 4STRHigh Performance: Professional manufacturing water pump impeller repair kit, sturdy and stable performanceDirectly Replace: Directly replace the old or broken water pump impeller repair kitComprehensive Kit: The package includes 1 impeller, 1 housing, 1 gasket,1 outer plate, and an accessory pack to provide everything needed for a complete repair or replacement Specification: Material: Rubber Metal Size Chart: Impeller height: 1.25cm/0.49inchExternal impeller diameter: 4cm/1.57inchInner shaft insertion diameter: 1.09cm/0.43inch Package Includes: 1 Water Pump Impeller Repair Kit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.