Genuine GM Fluid 88958860 DOT-4 Super Brake and Clutch Fluid - 250 ml Can be mixed with any other well-known brake fluids with same specifications Chemically stable Contains additives guaranteeing best lubricating properties Exceeds international specifications SAE J 1703, ISO 4925; as well as the U.S. FMVSS 116 DOT-4 OEM fluid filled at factory for: Pontiac GTO, Pontiac G8, and Saturn Astra