Tractor filter fuel filter water separator RE509031 RE52987 RE53400 RE62419 Outer Diameter 80 mm (3.15 inch) Inner Diameter 23 mm (0.91 inch) Length 154.3 mm (6.07 inch) Efficiency 99% 3 micron Efficiency Test Std SAE J1985 Emulsified H2O Effi...