SAM DOT-5 Brake fluid is a premium quality type of hydraulic fluid used in hydraulic brake and clutch applications in automobiles, motorcycles, light trucks, and some bicycles. Suitable for use where the vehicle manufacturer specifies DOT-5 fluids. SAE J1703, J1704, FMVSS No. 116 DOT 5.0 (Grade B) MOTOR VEHICLE BRAKE FLUID.