SHELL Brake & Clutch Fluid DOT4 ESL is a premium-quality, highly efficient, low-viscosity brake fluid. Application. SHELL Brake & Clutch Fluid DOT4 ESL is recommended for the brake systems requiring DOT4 fluids. It is suitable for the systems requiring low-viscosity fluids at low temperatures and for the cases when systems require DOT 3 fluids. Various motorcycles, passenger cars, medium trucks. Hydraulic brake systems, including brake systems with the integrated anti-lock and stabilization systems. FMVSS 116 DOT-4, JIS K 2233 Class 4; ISO 4925 category 6, SAE J1704