Keep your engine running with this genuine replacement Briggs & Stratton part number 5053 air filter with pre-cleaner. Replacement OEM Service Part 496894S. This oval-style pleated paper air filter provides protection against dirt and debris that will damage the engine. Used on select 12.5 through 17 horsepower single-cylinder engines. This filter and pre-filter were designed to the highest of standards that Briggs & Stratton places upon all their outdoor power equipment and replacement parts. The air filter should be replaced once a year to maintain the condition of your engine. To ensure a proper fit please reference your owner’s manual.