Product Description: Enhance the performance and longevity of your lawn mower with our 5 Pack Air Filter Replacement for Briggs & Stratton 491588. These air filters are designed to provide superior filtration, ensuring your engine runs smoothly and efficiently. 100% Brand New: Each air filter in this pack is completely new, guaranteeing optimal performance and reliability. Experience the benefits of fresh, high-quality components that support the longevity of your lawn mower engine. Essential for Engine Performance: Our air filters are crucial for maintaining the health of your lawn mower. By filtering the air entering the engine, these filters ensure that only clean air is used, promoting the efficient combustion of fuel and stabilizing engine performance. High Efficiency and Effective Filtration: These air filters are engineered for high efficiency, providing outstanding filtration that captures dirt and debris. This effective filtration process extends the life of your engine by preventing harmful particles from entering and causing wear. Perfect Replacement for Briggs & Stratton Models: Specifically designed as a replacement for Briggs & Stratton 491588 and 4915885 models, these filters offer a precise fit and function. Ensure your lawn mower operates at its best with this reliable OEM air cleaner cartridge. Upgrade your lawn mower with our high-performance air filters and enjoy the peace of mind that comes with knowing your engine is protected and running efficiently. Ideal for those who demand the best for their equipment, this 5 pack offers both exceptional quality and value. Keep your lawn mower in top condition with these essential air filters.