FF5324 FUEL FILTER, SPIN-ON Fuel Filter Product Attributes Outer Diameter: 3.15 Inches (80 MM) Thread Size: 7/8-14 Length: 6.93 Inches (176 MM) Gasket OD: 2.89 Inches (73 MM) Gasket ID: 2.50 Inches (64 MM) Efficiency 99%: 3 Micron Efficiency Test Std: SAE J1985 Primary Application: CATERPILLAR 1R0759. FS19594 FUEL FILTER, WATER SEPARATOR SPIN-ON Fuel Filter Water Separators Product Attributes Outer Diameter: 3.11 Inches (79 MM) Thread Size: 3/4-16 Length: 5.59 Inches (142 MM) Gasket OD: 2.76 Inches (70 MM) Gasket ID: 2.48 Inches (63 MM) Efficiency 95%: 20 Micron Efficiency Test Std: SAE J1985/J1488 Emulsified H2O Efficiency: 90.00 Percent Application Note: Not for Marine Applications Primary Application: CUMMINS ENGINES