Briggs & Stratton 392642 Filter-Air Cleaner Cartridge; New # 394018S Add $23.74current price $23.74 +$6.24 shippingBriggs & Stratton 392642 Filter-Air Cleaner Cartridge; New # 394018S Genuine Briggs & Stratton 797301 Foam Air Cleaner Filter OEM Add $8.49current pri...