HIPA Carburetor + Spark Plug + Fuel Filter + Air Filter + Primer Bulb for STIHL FS38 FS45 FS45C FS45L FS46 FS46C FS55 FS55C FS55R FS55RC KM55 HL45 String Trimmer Fitment models: STIHL FS38 FS45 FS45C FS45L FS46 FS46C FS55 FS55C FS55R FS55RC KM55 HL45 String Trimmer Package include: 1pc carburetor + 2pc mounting gasket + 1pc spark plug + 1pc primer bulb + 1pc air filter + 1pc fuel filter