Feature:The master cylinder reservoir cap prevents moisture from entering and flowing into the fluid. It is durable and has good sealing performance, which is consistent with the performance of the original car cover.Easy to install, direct replacement for old or broken brake master cylinder oiler caps.This is a non-OEM product, accessory only! Specification:Type: Brake Master Cylinder Cap CoverColor: BlackMaterial: PlasticFitment Type: Direct ReplacementCap Size: 2.1x5.5cm / 0.83"x2.17"(H*D)Gasket Inner Diameter: 3.2cm / 1.26"OE Number:T060-43-55YFitment:for Mazda Millenia Base, L, S 2.3L V6 - Gas, 2.5L V6 - Gas 1995-1998for Mazda Millenia Base, S 2.3L V6 - Gas, 2.5L V6 - Gas 1999for Mazda Millenia Base, Millennium Edition, S 2.3L V6 - Gas, 2.5L V6 - Gas 2000for Mazda Millenia Base 2.3L V6 - Gas, 2.