Think Crucial 4 Replacements Briggs & Stratton/John Deere Air Filter, Compatible Part # MIU11286, Gy20575, 499486S & 273638S, Fits 18-26 HP Intek V-Twins Engine PREMIUM QUALITY John Deere and Briggs & Stratton Air Filter that fits 18-26 HP Intek V-Twin engines and will help your engine work better! EASY TO INSTALL because it fits Briggs & Stratton Part # 499486S, 273638S, 5063H, 4209, 5069H, 4223, and John Deere # MIU11286, Gy20575, Gy21056, Gy21056. 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! 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!