Pentosin Super DOT 4 is a hydraulic fluid of superior quality for universal use in modern brake and clutch systems. Pentosin Super DOT 4 offers safety against vapor Lock; it has excellent resistance to absorbing and retaining water and provides superior corrosion resistance.
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:
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