Onan offers a few models, like the Onan 4000, 5500, or 650 series. Carburetors shift based on the type and fuel (gasoline, propane, or diesel). Continuously check your generator’s demonstration number and serial number. You recently requested a replacement part. OEM parts are favored for best compatibility and performance. https://www.thervrepair.com/onan-carburetor-replacement/