Universal SL DOT 4 Brake Fluid (705802) by ATE®. This product data sheet describes the properties of the ATE DOT 4 brake fluid SL intended for use as hydraulic fluid in brake and clutch systems of motor vehicles. ATE DOT 4 Brake Fluid SL is a proven hydraulic fluid for hydraulic brake and clutch systems of motor vehicles. It is a mixture of polyethylene glycol ethers, polyethylene glycols and boric acid esters of polyethylene glycols with anti-corrosion / anti-aging agents and further additives. ATE DOT 4 Brake Fluid SL meets and even exceeds the requirements of the brake fluid standards FMVSS-No. 116 - DOT 4, SAE J1704 and ISO 4925, Class 4, among others.