Craftsman 36863 Lawn & Garden Equipment Engine Fuel Tank, Tecumseh Genuine Original Equipment Manufacturer (OEM) Drain the existing fuel from the tank and disconnect the spark plug wire before beginning the repair Fuel tank 36863 holds the gas that's needed by the engine Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Craftsman, Tecumseh This manufacturer-approved fuel tank (part number 36863) is for lawn and garden equipment engines Work in a well-ventilated area when replacing this part