This is a brand new aftermarket replacement air filter for Briggs & Stratton engines. Replaces part number 491021. Used on models: Fits models: Briggs & Stratton ENGINE: 260700 (12.5 and 14 HP vertical single cylinder, OHV V Briggs & Stratton ENGINE: 261700 (12.5 and 14 HP vertical single cylinder, OHV V Thanks For Your Business 30-134