Radiator Drain Plug OEM Miata 1990-2005

New OEM radiator drain plug with O-ring for Mazda Miata.  These plugs are for original radiators.  Check your thread size before ordering.  Choose from 2 styles:

A:  12mm Threads, listed in manuals for 1990-1993

B:  10mm Threads, listed in manuals for 1994-2016.