Coolant Filter, Fluid Type Coolant, Filter Design Spin-On, Thread Size - Automotive Filters M36 x 2.0mm, Length 5 13/32 in, Outside Dia. 3 3/4 in, Micron Rating 25, Description/Special Features Coolant Spin-on with BTA PLUS Formula, Height 5 13/32 in, Width 3 3/4 in, Includes 11 1/2 Units BTA PLUS, I. Gasket