The Cat 1R0770 is a genuine Caterpillar Advanced Efficiency Fuel Filter Water Separator, engineered to provide superior protection for critical fuel system components. This filter boasts a 4-micron rating and utilizes a blend of cellulose and synthetic media to effectively remove both water and particulate contaminants from fuel. Designed with a radial seal type for a secure fit, it features an outer diameter of 83.82 mm, a length of 172.72 mm, and a 1-14 UNS-2B thread size. The 1R0770 ensures reliable performance across a wide range of Cat articulated trucks, asphalt pavers, combines, excavators, track-type tractors, and wheel loaders.