Gasket And Diaphragm Kit / Zama GND-1Pack Size:1Zama GND-1Laser 48150, NHC 203-5874, Oregon 49-854, Prime Line 7-07165, Rotary 4210, Sunbelt GND1, Sunbelt B1GND1, Tilton ZGND1McCulloch PM-510 and PM300 models; Zama C1-17-O1C, C1-17-02A and C1-M2B modelcarburetors Not compatible with greater than 10% ethanol fuel