A premium, synthetic quality hydraulic fluid that contains special ingredients to guard against vapor lock and moisture absorption. Exceeds requirements for both DOT 3 and DOT 4 fluids. Specially formulated for DOT4 fluid applications.
Brake Fluid Comparison Chart
Fluid Type
Compatible With
Quality
Chemical Composition
Minimum Dry Boiling Point
Minimum Wet Boiling Point
DOT 3
DOT 3 Brake Systems
Good
Glycol Ether
401°F
284°F
DOT 4
DOT 3 & DOT 4 Brake Systems
Better
Glycol Ether, Borate Ester
446°F
311°F
DOT 5.1
DOT 3, DOT 4 & DOT 5.1 Brake Systems
Best
Glycol Ether, Borate Ester
518°F
374°F
DOT 5
DOT 5 Brake Systems ONLY
Specialty
Silicone
500°F
356°F
How do I know if my brake fluid needs to be changed?
Brake fluid absorbs moisture. Water in brake fluid can boil during repeated or extended braking, creating air bubbles which reduce braking effectiveness. Water also can corrode metal brake lines. Change your brake fluid when:
Videos