FS38 Carburetor Replaces for STIHL # C1Q-S97 C1Q-S66 C1Q-S71 C1Q-S186 C1Q-S143 C1Q-S153, 4140 120 0612, 4140 120 0619, please double-check your engine's model number before purchasing any partsFS55 Carburetor Compatible with STIHL FS55R FS55RC FS55C FS55CE FS55T FS55Z FS55CEZ FS55CEDZ FS55DZ FS55RCE FS55RCE-DZ FS55RCE-Z FS55R-DZ FS55R-Z trimmer / brushcutterFS45 Carburetor Compatible with STIHL FS45 FS46 FS45C FS45L FS46C FS38Z FS45CE FS46CE FS45CE-DZ FS45CEZ FS45DZ FS45Z FS46CEZ FS46DZ FS46Z trimmer / brushcutterCompatible with STIHL FC55 HS45 HL45 HL45Z HL45DZ hedge trimmer, for STIHL KM55 KM55C KM55R KM55RC KM55RCE KM55RZ KM55RDZ KM55CE KM55RCEZ kombi motorPlease note that the structure of the model after 2013-2015 has been changed, and it is suitable for the model before 2013Package include: 1 carburetor, 2 gasket, 2 primer bulb, 2 fuel filter, 2 air filter, 1 fuel line, 1 spark plug