Why choose Isuzu’s new anti-freeze coolant?Īn anti-freeze coolant isn’t just an anti-freeze coolant. This new SI-OAT anti-freeze coolant offers exceptional protection against cavitation, corrosion and overheating. Cooling systems and components are now made from a variety of different materials (some 200 different types, in fact), depending on the engine type, carefully chosen for the ability to withstand higher operating temperatures.Ĭonsequently, there’s an increased need to protect these components from rust, erosion, corrosion and pitting.īut because the nature of manufacturing means the make-up of nearly every engine is markedly different, specific coolants and lubricants developed by the engine manufacturer are often required.Įnter Isuzu’s new Long-life Anti-freeze Coolant.ĭeveloped specifically for Isuzu Trucks’ engines and componentry, the new coolant is based on the latest Silicated Organic Additive Technology (SI-OAT) and will replace the existing coolant. However, given that these types of engines must deal with significantly higher operating temperatures and faster fluid flow, their cooling systems have been forced to adapt. The four-cylinder, low-displacement, high-torque, two-stage turbocharged, and intercooled diesel engine is about as advanced as you can get. Isuzu’s clean four-cylinder diesel engine-the 4HK1-is a useful example of this in the light- to medium-duty truck segments. The worldwide trend towards smaller but more powerful and fuel-efficient engines is well underway in both the truck and passenger car markets.
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