Oregon 30-304 Kawasaki Lawn Mower Replacement Air Filter Oregon 30-304 Replacement Kawasaki Air Filter 7-1/2" L x 3-1/8" H x 6" ID . Pear Shaped Fits Series FC540 series engine For 17 HP vertical overhead valve engine Replaces Kawasaki 11013-2098, 11013-2143, 11013-1214, John Deere M70128 & M97266