Hydraulic Filter, Filter Design , Set of 2 Wire Mesh Supported Maximum Performance Glass Transmission Elements, Micron Rating 40, Height 5 15/16 in, Length 5 15/16 in, Width 3 7/32 in, Outside Dia. 3 7/32 in, Inside Dia. 1 17/32 in, Includes (2) Furnished Irregular Gasket, (2) Square , (6) , For Use With Allison World Transmissions with 4 Inch Sump, Thread Size Not Applicable