The Cat 6E6408 Fuel Filter Assembly is a genuine Caterpillar standard efficiency fuel/water separator, engineered with cellulose media to provide superior protection against contaminants. This primary filter features an integrated seal, a 1-14 UNS-2B thread size, an overall height of 170.18 mm, a largest outer diameter of 76.2 mm, and a seal outer diameter of 71.88 mm. It is designed to maintain optimal engine performance and longevity across a wide range of Cat industrial engines, excavators, wheel loaders, and motor graders.