Valvoline DOT 3 & 4 Full Synthetic Brake Fluid is formulated to deliver dependable braking performance in a wide range of conditions. Its specialized formula is compatible with both DOT 3 and DOT 4 systems, offering flexibility and reliable protection. With a high boiling point, this brake fluid helps resist vapor lock and brake fade, ensuring consistent stopping power even under extreme heat. The full synthetic composition is designed to protect against corrosion and moisture absorption, helping extend the life of vital brake components. Meeting or exceeding DOT regulations as well as SAE J1703, FMVSS 116, and ISO 4926, Valvoline brake fluid provides the safety and performance required for efficient braking. Recommended for ABS, disc, and drum brake systems, it is available in a convenient 12-ounce bottle for easy use and storage.