Replacement Briggs & Stratton Air Filter. Fits Briggs & Stratton 3-3.75 HP Classic/Sprint and 4 HP Quattro Vertical Shaft Engines, Series 92500, 92900, 93900. Air Filter Dimensions: 5-3/4" x 3-1/2" x 1-1/4" Item: BAF-120, 272235 O.E. Replacement Part Number: 272235 , 272235S , 5047 , 5047B , 5047K 30-917 , 102-525 , B1SB6524 , 6524 Features Fits Briggs & Stratton 3-3.75 hp Classic/Sprint and 4 hp Quattro vertical shaft engines series 92500, 92900, 93900, 95900, 96500, an d96900 Replaces OE # 272235 Contains one air filter