US FMVSS 116 DOT 4
Brake fluids with DOT 4 tolerance
DOT-4 – brake fluids for cars with rear drum brakes or disc and front disc brakes.
Brake fluids of this classification have a higher boiling point (230C and above). DOT-4 is the most common brake fluid. There are also options such as DOT-4 +, DOT-4 Super, DOT-4.5, etc. on the market.
The term of service is 2 years.