CASTROL® DOT 4 Brake Fluid
Suitable for use in most US and foreign vehicles, Castrol DOT 4 brake fluid is liquid engineered to exceed DOT 3 and DOT 4 standards and ensure reliable braking performance every time.
Designed to resist the moisture that can cause vapor lock brake failure, it also has a higher boiling point than conventional brake fluids and protects against chloride corrosion of the braking system.
Exceeds SAE 1703, SAE 1704, ISO 4925, JIS K2233, and FMVSS No. 116, DOT 3 and DOT