Brake and Clutch Fluid DOT 4 is a high quality, non-petroleum automotive brake fluid designed for use in conventional hydraulic brake and clutch systems under normal service conditions.
For vehicles operating in extreme service conditions, or where a DOT 5.1 fluid is specified, Caltex Brake and Clutch Fluid DOT 5.1 is recommended.
Not to be used in systems designed for mineral oil based fluids (LHM), e.g., certain Citroen models and many off-highway vehicles and tractors, or where Silicone -type DOT 5 fluids are recommended.