TUDETIC - Kit of 4x brake fluid DOT 5.1 Brake Fluid 0.5L 500ML. At Tudetic we offer you this kit of 4x DOT 5.1 Brake Fluid 0.5L 500ML at the best possible price. This 100% synthetic polyglycol-based brake fluid is ideal for any type of hydraulic brake or clutch system. With a dry boiling point of 270ºC/518ºF and a wet boiling point of 185ºC/365ºF, this MOTUL brake fluid is the perfect choice for any brake system.