The Cat 2676399 Secondary Fuel Element is a genuine Caterpillar part designed to effectively remove small contaminants from your fuel system. Featuring a cellulose media type and secondary efficiency rating, this fuel filter element ensures optimal fuel cleanliness and protects critical engine components. With an overall length of 106.68 mm and an outside diameter of 81.28 mm, it is engineered for precise fit and reliable performance in a wide range of Cat articulated trucks, excavators, loaders, and other heavy equipment. This part may be superseded by Cat 3608960.