The carburetor is suitable for STIHL FC55 FC75 FC85 FS310 FS38 FS45 FS45C FS45L FS46 FS55 FS55C FS55RC FS55T FS74 FS75 FS76 FS80 FS85 HL75 HS45 HS75 HS80 HS85 HT70 HT75 KM55 KM55R KM80 KM85 SP85. Carburetor replacement part number 4137-120-0606 4137-120-0608 4140-120-0619 4140-124-2800. The carburetor is suitable for ZAMA part number C1Q-S28E C1Q-S28D C1Q-S42 C1Q-S63A C1Q-S66 C1Q-S69A C1Q-S71 C1Q-S97 C1Q-S97A C1Q-S157 C1Q-S157 C1Q-S. 169B C1Q-S186 C1Q-S186A C1Q-S186B. colour: black Material: metal + plastic size: hole distance: 31mm Package Contents: 1 x carburetor 2 x mounting gaskets 2 x primer bulbs 1 x spark plug Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.