An AC (air conditioning) hose is a specially constructed, high pressure psi) rubber hose with special aluminum fittings crimped on each end. Its purpose is to connect engine-mounted components to the body-mounted components of an AC system.
Do you know how your car works? I feel like I have a strong understanding but there& always more to learn. Here are ten great GIFs found by Jalopnik readers the explain the marvels of the modern automobile.