Some important components to see documents, in particular cartridge type, such as carburetor, distributor, generators, etc., when the factory ships with manuals, certificates, to guide users to install, use and maintain, without these mostly fake products;

When looking to buy auto parts specifications, to identify the main technical parameters, special technology to meet the requirements. Some counterfeit products look almost the same with the real thing, but the accord is not appropriate either bigger or smaller point, using them is not always satisfied, and leave accidents.