What’s the Difference Between DOT 3, DOT 4 and DOT 5 Break Fluid?
Understanding the different types of brake fluid and maintenance requirements is vital for performance and safety.
Valvoline Professional Series DOT 3 Brake Fluid provides corrosion and oxidation resistance while having excellent thermal and chemical stability. The fluid protects and conditions elastomer seals with a high boiling point that helps prevent vapor-lock. Excellent lubricity and cold-flow properties.
VPS DOT 4 Brake Fluid is recommended for all ABS, drum or disc brake systems that specify DOT 4 brake fluid. Its premium low moisture formulation with a dry equilibrium reflux boiling point greater than 500°F provides superior performance even under severe conditions. As brakes generate heat, brake fluid must remain liquid, without boiling, to operate properly. Valvoline Performance System Brake Fluid is compatible with conventional brake fluid and meets SAE J1703, FMVSS No. 116 and DOT 4 specifications.
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