Genuine Mazda Oil Jet, MX-5 mk1 1.6 & 1.8, all 1.6 mk2.
This is a jet to spray oil on the underside of the piston, 4 are used, all the same. Does NOT fit mk2 1.8 (BP4W) and mk2.5 1.8 (BP6D) engines.
NM01063. B66010580B.