Hydraulic Filter, Filter Design , Maximum Performance Glass Hydraulic Element, Micron Rating 8, Height 9 in, Length 9 in, Width 5 1/8 in, Outside Dia. 5 1/8 in, Inside Dia. 3 3/8 in, Includes Reinforced Centertube, For Use With PT90-10 Allis Chalmers, Caterpillar, Fiat-Allis, Komatsu EquipmentPT90-MPG Caterpillar Equipment, Thread Size Not Applicable