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How Long Do Radiator Hoses Last & What Factors May Affect Their Lifespan? Engines get hot during operation and therefore require a means to keep escalating temperatures from reaching dangerous levels.
If you've ever been driving along the freeway or parked at a rest stop along the highway, you've probably seen more semi-trucks than you can count.
Though many consider the oil pump the heart of an engine, its cooling system is, arguably, every bit as important, pumping coolant to and from the radiator.