The Caterpillar 5I8670 Fuel Filter Assembly is a genuine Cat® Standard Efficiency spin-on primary fuel filter designed to effectively remove contaminants from fuel. It protects critical fuel system components and ensures optimal engine performance in various Caterpillar articulated trucks, industrial engines, excavators, forest products machinery, motor graders, track-type tractors, wheel dozers, wheel loaders, and scrapers. This filter features a cellulose media type, with a length of 104.1 mm and a diameter of 76.2 mm.