The Engine Tank Lawn Mower is specifically designed for Briggs & Stratton engines in the 650-675 E, EXI, IS Series, and 104M models. This tank part is essential for holding fuel and ensuring the proper operation of the lawn mower. It is compatible with a tamper to secure it in place during use. Perfect for those looking to maintain or repair their Briggs & Stratton lawn mower engines, this tank is a reliable and necessary component for keeping your equipment running smoothly.