This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. Product Features:Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performanceDurable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safetyStrict specifications - made to meet rigorous SAE International standards