Air Filter / K & N E-4517Pack Size:1Briggs & Stratton 393957S, Briggs & Stratton 4106, Briggs & Stratton 393957, Briggs & Stratton 390930, John Deere LG393957S, John Deere PT9334, John Deere LG393957, John Deere PT4301, K & N E-4517, Lesco 006538Donaldson P606290, Edgewater 010726, ESF 101-012, Foley/Belsaw 5961374, Foley/PLP 101-012, Green Line 38125, Green Meadow AF44, J. Thomas AF-487, J. Thomas KN-4517, Laser L3204, Laser 93024, Mow More BS74, Napa 2291, NHC 261-0802, Oregon 30-044, Oregon 10-044, Prime Line 7-02210, Quality 242044, Quality 242670, Rotary 1374, Sunbelt SB-1374, Sunbelt B1SB1374, Wix 42292Briggs & Stratton 170400, 171400, 190400, 195400, 220400, 222400, 233400, 243400, 252400, 254400, 290400, 302400, 303400 and 326400ID: 2 3/8 ", OD: 4 3/8 ", Height: 3 3/4 ", Includes sealing grease, Designed to increase horsepower while providing excellent filtration, Washable and reusable, Durable construction to provide engine protection, New hybrid material does not require oiling