5Z Zama CARBURETOR FITS Stihl BR500 BR550 BR600 BACKPACK BLOWERS C1Q S184 GCA89 by PCC MOTOR ZAMA Carburetor for Stihl BR500 BR550 BR600 Blowers Part Numbers: Zama:C1Q-S184 Replaces OEM Part No: 4282-120-0606 / 4282-120-0607 /4282-120-0608