The # 3960XE Is The Glass Media Version Of # 3960 GMC Trucks (01-16), Chevy (01-16) w/ 6.6L Duramax Diesel Spin-On Fuel/Water Separator Filter Features & Benefits Has High Efficiency Glass Media; The # 3960XE is the Glass Media Version of # 3960; Contains 2 Loose Gaskets; For Master Pack Version, Use # 3960XEMP; 7 Micron Attributes Filter Style : Spin-On Fuel Filter Fuel Filter Height (Inches) : 6.39" Fuel Filter Inlet Thread Size (Inches) : 3 3/8-8 Fuel Filter O.D. (Inches) : 4.02" Fuel Filter Height (mm) : 162 mm Fuel Filter O.D. (mm) : 102 mm