A-B1841840-AI SCREEN-ROTATINGOne New Aftermarket Replacement Rotating Screen Fits Briggs & Fits Stratton Engines This rotating screen mounts on Fits Briggs & Fits Stratton air cooled engines and serves as the first line of defense for the cooling system. As the flywheel spins, the screen rotates to filter out grass clippings, leaves, and debris before they can pack against the engine shroud and block airflow preventing overheating and extending engine life. It is a direct