Key Features

• Genuine Briggs & Stratton OEM Foam Air Filter, part 491588S, designed for exact fit and dependable filtration.
• Foam filtration element effectively captures dust and debris while preserving engine airflow to the carburettor.
• Easy to replace during regular service intervals for minimal downtime.
• Supports engine longevity by helping reduce carburettor blockage and internal wear.
• Clear part reference 491588S aids accurate identification and ordering.

Product Details

• Product Type: Foam Air Filter / Air Cleaner Element
• Part Reference: 491588S
• Filtration Type: Foam
• Compatibility: Briggs & Stratton petrol engines with matching air cleaner housings
• Application: Engine air filtration to protect carburettor and internal engine components
• Why Choose This Air Filter: Uses a genuine OEM component to maintain the correct balance of airflow and filtration, supporting reliable engine performance and longer service life. Regular replacement improves starting reliability and maintains smooth operation across seasons.
• Fitment Note: Air filter fitment depends on the engine’s exact model number and air cleaner housing design. Verify with your engine model/tag or compare with your existing filter before ordering to confirm correct fit.

Compatibility

• Engine Family: Commonly fits single-cylinder Briggs & Stratton engines in the 500E / 550E / 600 series with foam filter housings
• Power Range: Horizontal shaft engines in the approximate 8 hp to 13 hp range
• Typical Equipment: Walk-behind mowers, garden tractors, tillers, pressure washers (engine-driven), and similar outdoor power equipment
• Fitment Guidance: Confirm fit by checking the engine’s exact model number and the air cleaner housing design, or compare with your existing filter before ordering