The product is a genuine Tecumseh oil cap end designed specifically for the 143955001 lawn mower and 30969 tiller. This OEM (Original Equipment Manufacturer) part ensures a perfect fit and quality construction for Tecumseh brand equipment. It is not a battery included item, making it easy to install and reliable for maintenance purposes. Ideal for those looking to replace a damaged or missing oil cap end on their Tecumseh lawn mower or tiller.