Additional Details ------------------------------ Product description: Outer Diameter: 4.37 Inches (111 MM) Thread Size: 1-14 UN Length: 11.30 Inches (287 MM) Gasket OD: 3.50 Inches (89 MM) Gasket ID: 3.19 Inches (81 MM) Efficiency 99%: 5 Micron Efficiency Test Std: SAE J1985 Emulsified H2O Efficiency: 95.00 Percent Type: Water Separator Style: Spin-On Usage Example: CATERPILLAR 1335673