Wynn’s® DOT 4 Motor Vehicle Brake Fluid, compatible with all DOT 3 and DOT 4 brake fluids, lubricates and protects the rubber and metal components of the braking system and provides superior protection against vapor lock by maintaining a high boiling point in service. Meets or exceeds Federal Motor Vehicle Safety Standard (FMVSS) No. 116 and SAE J1703 and exceeds DOT 4 requirements for use in hydraulic brake systems of most cars, trucks, buses and heavy-duty vehicles.

• Features a Minimum Boiling Point (ERBP) of 465°F
• Prevents Corrosion
• Improves seal life and performance
• Controls viscosity over a wide temperature range
• Minimizes low-temperature absorption