Briggs & Stratton 5052K Air Filter Cartridge/Pre-Cleaner 12.5 - 20 HP
Genuine Briggs & Stratton air filter cartridge with pre-cleaner for 12.5 through 20 horsepower L-head vertical engines. Replaces Briggs & Stratton service part number #394019S (air filter), and #272490S (pre-cleaner).