The Kramp 390492 air filter is a premium aftermarket replacement designed for Briggs & Stratton Quantum Series engines. This essential engine component effectively filters out harmful dust, dirt, and debris, ensuring optimal engine performance and extending its lifespan. It is a direct replacement for Briggs & Stratton OEM part numbers 399877, 491588, and 491588S, providing a precise fit and reliable filtration. With dimensions of 132 mm length, 114 mm width, and 20 mm height, and a weight of 0.15 kg, this filter is engineered for durability and efficient air intake.