Features1. Applicable model The water pump impeller rebuild kit fits for 40HP to 50HP 2stroke outboard motors 19841994, reliable to use.2. OEM number Replaces manufacturer part number for reference is 6BG W0078 00 00, 6BG W0078 01 00, 183490, 6H4 W0078 00.3. Function This repair kit allows you to easily repair and maintain the water pump, providing higher flow and cooling flow to protect your engine.4. Material Made of marine grade stainless steel, nylon and rubber material, rust resistance, high strength, can be used for a long time.5. Complete kit This kit contains all the components needed to rebuild the pump, high performance, strong reliability, ensuring safe use.SpecificationItem Type Water Pump Impeller Repair KitMaterial Stainless steelnylonrubbersOEM 6BG W0078 00 00, 6BG W0078 01 00, 183490, 6H4 W0078 00rFunction The kit makes it easy to repair and maintain the water pump and can provide higher flow and cooling flow, protecting your engine.The package contains1Neoprene Impeller 6H4 44352 02r1Cartridge insert 6634432200r1Cartridge Outer Plate 6634432300r1Damper Waterproofing 6634436600r1Woodruff Key 902800302400r22Bolt with Washer 970800805500 970800804500r1Gasket cartridge 663 44324 A0r1Gasket Water Pump 663 44315 A0r1Gasket Water Pump 663 443160 A0rUse Fits 40HP to 50HP 2stroke outboard engines 19841994Note1. Please check the part number of your item, matching information is for reference only.2. If you are unsure about the item, please contact us before purchasing to avoid unnecessary returns, thank you