This Generac carburetor is found in engines installed in a variety of the brand's generator machines. The function of the carburetor is to blend the air and fuel at the proper ratio. It starts the engine and helps keep the Generac generator running smoothly. With age, wear and tear, or because of accidental damage, the Generac carburetor's performance may begin to decline or fail altogether. When this happens, there will be misfires, low or high idle speeds, or the generator will not start at all. If any of these occur, a replacement carburetor is required.Changing a Generac carburetor out is simple with the proper tools. Always remember to wear gloves and ensure the machine is completely cooled before beginning. Mask sure that the fuel valve is turned to the off position to prevent fuel from flowing into the carburetor while performing the repair. A nut driver will be required to complete the task.This Generac carburetor is a genuine OEM replacement part. It is sourced from the manufacturer. The carburetor is sold as an individual unit. This carburetor is only compatible with Generac brand machines. It works in an assortment of generator models made by the company.