Oregon 30-030 Foam Air Filter Tecumseh Part 36745 2-3/4-inch in Length by 1-3/4-inches Wide by 2-7/8-inches High Replaces Tecumseh part number 36745 Measures 2-3/4-inches in length by 1-3/4-inches wide by 3-1/8-inches high Fits 5.5 HP Centura Engines