Carburetor Kit / Zama RB-45Pack Size:1Zama RB-45NHC 203-5875, Oregon 49-438, Rotary 13294Jonsered 2041, 2045, 2050 and RS44; Partner 400, 410, 450, 460, 490 and 510; Zama C1Q-EL1; C1Q-EL5,A; C1Q-EL6; C1Q-EL7; C1Q-EL10 and C1Q-M43 carburetors Not compatible with greater than 10% ethanol fuel