Briggs & Stratton 491588S Genuine OEM Engine Air Filter Genuine Briggs & Stratton OEM 491588S air filter cartridge, designed for selected Briggs & Stratton small engines. This flat-panel, pleated-paper air filter helps protect the engine from dirt, dust, grass clippings, and other airborne debris while allowing proper airflow to the engine. Product Information Brand: Briggs & Stratton Manufacturer: Briggs & Stratton Manufacturer Part Number (MPN): 491588S Previous/Reference Part Number: 491588 Product Type: Engine Air Filter Filter Type: Air Cleaner Cartridge Filter Style: Flat Panel Filter Media: Pleated Paper Quantity: 1 Unit of Sale: Each Condition: New OEM: Genuine Briggs & Stratton Pre-Cleaner: Not included Application: Briggs & Stratton small engines Fitment: Selected compatible Briggs & Stratton engines Product Measurements Approximate filter dimensions: Length: 5.12 in / 130 mm Width: 4.41 in / 112 mm Height / Thickness: 0.79 in / 20 mm Note: Measurements are approximate and may vary slightly depending on how the filter is measured. These are product dimensions, not shipping-package dimensions. Compatibility The Briggs & Stratton 491588S is used on selected Briggs & Stratton engine applications, including certain: Quantum Series engines 625 Series engines 675 Series engines 625e Series engines 675e Series engines 725e Series engines Other compatible Briggs & Stratton small-engine applications Always verify your engine model and original air-filter part number before ordering. The 491588S is not a universal-fit filter for every Briggs & Stratton engine. Part Number Cross-Reference 491588S — Current Briggs & Stratton part number 491588 — Previous/reference Briggs & Stratton part number What's Included 1 × Genuine Briggs & Stratton 491588S Air Filter Cartridge No pre-cleaner or additional filter components are included unless specifically stated in the product packaging.