OEM standard product. Please check product images carefully and compare your stock parts with it and low cost AVR before ordering.Compatible with GX and clone engine powered Honda Harbor Freight Predator Champion Firman Powermate Duromax, Durostar, Lifan Jiangdong ETQ Wen Westinghouse Generac Blackmax Powermax All power Sportsman Coleman Chicago Husky Ryobi A-ipower Powerstroke etc.Replacement AVR, automatic voltage regulator 5kw to 8kw. Please note the cooper voltage adjustment screw is for making the AVR fit generators exactly. The AVR comes with an OEM standard carbon brush, brand new.Replaceable for retangle shape AVR and aluminum shell(both half moon and retangle type) AVR in 5~7kw generators.Fits for Honda generators with rated power about 5000 5500 6000 6500 6250 7000 7500 8000 8500 8750 9000 9200 9500 watt etc. Please check the mounting hole size in the images and make sure it fits your stock generator, because GX clones may vary in details. Don't order only by the KVA numbers marked on the generator which might be misleading sometimes.