One used hydraulic tappet, Mazda MX-5 & Eunos Roadster mk1, NA series, 1.6 & 1.8, 1989-98.
Sometimes called hydraulic lifters or lash adjusters.
Got a noisy tappet? Try replacing with one of our good used ones, give the engine a flush and change the oil & filter.
UM00884. KL0112101B.