Fuel Filter Product Attributes Outer Diameter: 3.66 Inches (93 MM) Thread Size: 13/16-12 Length: 6.85 Inches (174 MM) Gasket OD: 3.39 Inches (86 MM) Gasket ID: 3.05 Inches (77 MM) Efficiency 99%: 9 Micron Efficiency Test Std: SAE J1985 Alternate Part: EFF7917-DONALDSON Related Part: P502304