HOOAI New Carburetor w/ Adjusting Tool Spark Plug Primer Bulb Gasket For Stihl FS87 FS90 FS100 FS110 HT100 HT101 HL100 HL90 FC95 FC90 Stihl carburetor for FS87 FS90 FS100 FS110 HT100 HT101 HL100 HL90 FC95 FC90 models OEM Part Number: 4180 120 0604 / 4180-120-0607 / 4180-120-0608 / 4180-120-0610 / 4180-120-0611. C1Q-S174 STIHL 4180-120-0607/0608/061010/0611 (REPLACES C1Q-S131B NLA) Comes with 1 Carburetor, 2 mounting gaskets, 1 spark plug, 2 replacement primer bulbs, 1 adjustment tool specially made for this carburetor. This carburetor is a bolt on and go part, preadjusted before shipping! HOOAI locates within the states, we provide carefree return, and 90 days money back guarrantee! Lifetime warranty against manufacturer defect!