Stens 100-073 Air Filter Replaces Ariens: 02451900, Briggs & Stratton: 390930, 393957, 393957S, 4106, John Deere: LG393957, LG393957S, PT4301, PT9334, Lesco: 006538 Fits Models Briggs & Stratton 170400, 171400, 190400, 195400, 220400, 222400, 233400, 243400, 252400, 254400, 290400, 302400, 303400 and 326400 John Deere 820 and 820A rear-tine tillers Use with 100-685 Pre-Filter This is a Stens replacement part Part Number 100-073 This is an aftermarket of generic part