Truck intercoolers for engine cooling systems We know that a small drop in cooling system function or non-optimal maintenance can increase a vehicle's fuel consumption and may even be fatal to the engine. Therefore, trucks must maintain their cooling systems on a regular basis. Regular preventive maintenance checks of the entire cooling system are necessary to avoid unexpected costly repairs, and radiator and or charge air cooler failures. truck intercooler is a product of manufacturing excellence designed to meet all OE specifications for optimum quality, perfect fitment, high durability and performance, lower fuel consumption and lower failure rates.