This is the nut to go on the bolt that attaches the outer end of the rear upper wishbone to the hub. Also used to attach the inner end of the upper rear wishbone to the rear subframe. 3 of these nuts & bolts are used per side. Genuine Mazda part. Fits Mazda MX-5 mk1, mk2 & mk2.5, all models 1989-2005
887134222. NM00017.