OEM Carburetor / Zama C1M-K49CPack Size:1Zama C1M-K49C, Zama C1M-K49A, Zama C1M-K49BJ. Thomas C1M-K49, Oregon 50-612, Rotary 11170Echo PB602, PB603, PB610 and PB611 blowers Not compatible with greater than 10% ethanol fuel