The Ratioparts 3020 air filter is a high-quality replacement part designed for Briggs & Stratton 5-8 HP horizontal engines, including 120000, 121000, 122000, 124000, 126000, 12A000, 12B000, 12C000, 12D000, 12E000, 12F000, 12G000, 12H000, 12J000, 12K000, 12L000, 12M000, 12S000, 12T000, 12V000, 12W000, 12Z000, 130000, 131000, 132000, 133000, 134000, 135000, 136000, 137000, 138000, 139000, 13A000, 13B000, 13C000, 13D000, 13E000, 13F000, 13G000, 13H000, 13J000, 13K000, 13L000, 13M000, 13S000, 13T000, 13V000, 13W000, and 13Z000 series. This filter ensures optimal engine performance and protection. It directly replaces Briggs & Stratton 270843, John Deere PT8999, Kubota 1523111220, and Toro 270843. Dimensions are 127 mm length, 114 mm width, and 38 mm height, with a weight of 0.12 kg.