Oregon 30-801 Lawn Mower Air Filters (5 Pack) Oregon 30-801 Replacement Tecumseh Air Filter 5 Pack of Oregon 30-301 air filter For 3.5 & 4 HP vertical engines. Fits ECV, LEV115, ECV120, H30, 35, TVS Series engines 1-3/4" OD x 13/16" ID x 2-7/8" H Replaces Tecumseh 35066, Sears 63087A & 10096, John Deere AM123992