Update your semi with an efficient transfer of force throughout the hydraulic brake system, with the Motor Medic Dot 3 Heavy Duty Brake Fluid that ensures you're Ready for the Road Ahead. This reserve of replacement liquid works to flush throughout the brake system to generate hydraulic pressure and lubricate various components. Blended with a premium mixture to reduce leaks and how often the brake fluid needs to be changed. FleetPride is your First Click in Heavy Duty.