OEM Carburetor Kit / Zama RB-10Pack Size:1Zama RB-10NHC 203-5870, Oregon 49-818, Oregon 49-862, Oregon 49-818-0, Prime Line 7-07197, Rotary 5839, Sunbelt RB-10, Sunbelt B1RB10, Tilton ZRB10McCulloch Mac 60A and 80A models; Zama C1S-M8, C1S-M9, C1S-M12 and C1S-M13 Not compatible with greater than 10% ethanol fuel