Think Crucial 4 Replacements Briggs & Stratton/John Deere Air Filter, Compatible Part # 792105, Fits 276890, 792105, 4233, 5405H, 5405K, GY21057 & MIU11515, V-Twin 16.0-27.0 HP MAXIMUM DURABILITY air filter cartridge for Ariens, Bad Boy, Bobcat, Briggs & Stratton, Gravely, John Deere, Land Pride, Oregon, and Stens V-Twin 16.0-27.0 HP engines. INCREASED ENGINE LIFE when you use these filters because your lawn mower may be kicking up grass, debris, and more into your engine. These filters can prevent that! SUPERIOR PROTECTION against anything that may harm your engine. Giving your lawnmower an annual tune-up can help keep it going for years to come and changing your filter is the first step! EASY TO USE because it fits perfectly and can be compared to Ariens #21544700 & #21544800, Bad Boy #063-4000-00, Bobcat #4163205 & #4163206, Briggs & Stratton #276890, #792105, #4233, #5405H, & #5405K, Gravely Part #21544800, John Deere #GY21057, #MIU11515, & #MIU11517, Land Pride #8531-054C, Oregon #30-145, & Stens #102-008. GUARANTEED SATISFACTION because of a 30 day full money bank guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!