Command Premium Ultra Long-Life SI-OAT Coolant Concentrate & Pre-Mix arepremium-quality, long-life, organic anti-boil / anti-freeze coolants for use in all makesand models of vehicles including automotive and heavy-duty diesel engines.The ultimate in up-to-date advanced coolant technology, Ensuring the ultimateprotection against anti-boil and anti-freeze, corrosion and rust resulting in maximumpotential service life. With a proven record over many years with marine engines,mining equipment, government dept, fleet car, bus and large truck companies.

Command Premium Ultra Long-Life SI-OAT Coolant is highly recommended for use in automotive light duty,heavy duty, and industrial applications where the manufacturer specifies SI-OAT type coolant.