HIPA Caruretor with Gasket Fuel line Filter Spark Plug for STIHL 017 018 MS170 MS180 Chainsaw Comaptible with STIHL 017 018 MS170 MS180 chainsaw Package include: 1 carburetor + 1 carb mounting gasket + 1 fuel line & filter + 1 oil line & filter + 1 spark plug + 1 air filter There're 2 kinds of carburetor, make sure the carburetor is exactly what you want