K C37544, C37543 Briggs & Stratton High Capacity Vanguard Air Fliter 2 Pack For 3000-4000 Models. This is the only Style Filter we sell and use for Vanguards as the High Capacity filter is important for performace and can help with those that have a oil in air filter issue. Includes 2 high quality replacement air filters and 2 air cleaner foam pre filters.
 
For A complete job look at our Full Vanguard Seasonal Tune Up Kit HERE
 
692519, 692524232 0, 841856, 806232, 30-087 102-119 Compatible with Multiple Models – Fits 541477, 542477, 543477, 356477, 358777, 358776, 358772, 380447, 380777, 380772, 381446, 381442, 381447, 381772, 381777, and 356447, 380442, 380447, 381442, 385442, 385446 engines.4232, 692519, 692520, 30-087, 102-119.Compatible with many Twin Cylinder Vanguard engines, including 38, 54, and 61 CID V-twin Vanguard engines. 16 through 25 Horse Power Horizontal Shaft Vanguard Models.