This gasket/diaphragm kit is an OEM direct from Walbro. The kit is compatible with many carburetor devices. The items included are composed of cardboard composite, rubber and plastic components. The gasket/diaphragm kit helps to prevent damage to engine parts and absorb fuel leakage. Please refer to specific manual and diagrams for replac...Read moreement directions. This part is sold individually. A screwdriver is necessary for making the proper installation.