New Pack of Ignition Coil Carburetor Air Fuel Filter Spark Plug for STIHL FS38 FS55 FC55 FS45 FS46 HS45 # 4140-120-0619 Fit STIHL FS38 FS55 FC55 FS45 FS46 KM55 HS45 Replace OEM NO. 4140 120 0619 Air Filter Replacement OEM # 4140-124-2800 Ignition Coil Replacement OEM # 4140 400 1308 Please check your old coil for these numbers 4140 1308A.