Hydraulic Filter, Filter Design , Hydraulic Element, Micron Rating 20, Height 7 1/4 in, Length 7 1/4 in, Width 4 1/2 in, Outside Dia. 4 1/2 in, Inside Dia. 2 1/4 in, Includes Integral Gasket, For Use With PT498 Austin-Western, Dynahoe, Nicholson EquipmentPT498-10 Allis Chalmers, Fiat-Allis, Ford, Hough Equipment, Thread Size Not Applicable