Product Details: 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®.