The Cat CA3391048 is a genuine Caterpillar primary air filter designed for standard efficiency filtration. Featuring a reliable radial seal, this filter is crucial for protecting your engine by preventing airborne contaminants from entering the intake system. It measures 165.1 mm in outer diameter, 90.17 mm in inner diameter, and has an overall length of 335.28 mm, with a weight of 0.77 kg. This robust air filter is compatible with a wide range of Caterpillar machinery, including various excavators, wheel loaders, track-type tractors, engines, and other heavy equipment, ensuring optimal engine performance and longevity.