This authentic Maruyama replacement part, sold individually, is a carburetor gasket. It is a flat piece of material placed between two parts to prevent leaks, commonly used in small engines. This gasket is located between the carburetor and the engine block. Gaskets can become brittle and crack over time, causing air leaks and improper engine function. Made of high-quality materials, this gasket is designed to meet or exceed OEM specifications, ensuring easy installation and restoring original engine performance.