Coolant Filter, Fluid Type Coolant, Filter Design Spin-On, Thread Size - Automotive Filters 11/16 In., Length 4 3/8 in, Outside Dia. 3 11/16 in, Micron Rating 20, Description/Special Features Coolant Spin-on without Chemicals, Height 4 3/8 in, Width 3 11/16 in, Includes I. Gasket