A charge air cooler takes hot air from the turbo and cools it. This lowered intake air temperature increases the engine horsepower and improves efficiency. Quite simply, less fuel for more power. A leak-free charge air cooler will maximize horsepower and fuel savings, but it can also prolong the life of your engine. Your semi-trucks cooling system is crucial in helping the truck's engine work as efficiently and smoothly as possible.  Dura-Lite's Evolution Charge Air Coolers offer a 7-year, million-mile guarantee. Find out more...