The Cat CA5290132 is a genuine Caterpillar internal secondary air filter designed for standard efficiency filtration. Featuring durable cellulose media, this filter ensures optimal engine protection by effectively removing contaminants from the air intake system. With an outer diameter of 78.74 mm, an inner diameter of 53.34 mm, and a length of 261.62 mm, it is engineered for a precise fit in a wide range of Cat articulated trucks, asphalt pavers, cold planers, excavators, industrial engines, generator sets, motor graders, off-highway trucks, pipelayers, track-type tractors, wheel dozers, wheel loaders, and wheel scrapers.