Keep your lawn mover running smoothly with the Briggs & Stratton 5049K Oil Filter. Briggs & Stratton design component parts that meet or exceed OEM standards for effortless use with most makes and models. This spin-on filter is fully compatible with a wide range of models with 12HP to 20HP engines. It has an installation-friendly build featuring flat edges around the bottom so you can easily grip with your hand or a tool when tightening it into place or during removal. Inside the housing is media for capturing contaminants and keeping them out of the oil lubricating the machine. The Briggs & Stratton oil filter is designed for pressure-lubricated engines and serves as a substitute for 2.25 long Briggs & Stratton 492932S models. It should be replaced after a year or after 100 years of use whichever comes first.