Upper Crankcase Breather Hose 11617504536

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A breather hose in a car is an essential part of its engine ventilation system. It is a rubber hose that connects the engine's valve cover to the air filter housing. The purpose of the breather hose is to allow fresh air into the engine while removing any excess oil vapors and gases from the engine block. This process helps to ensure that the engine is running smoothly and efficiently.

The breather hose is also responsible for preventing harmful pressure buildup inside the engine. If pressure builds up in the engine, this can cause seals to blow, gaskets to fail, and other components to wear out prematurely. The breather hose allows for the safe release of pressure, which helps keep the engine running smoothly, efficiently, and reliably. In summary, the breather hose is a crucial component of any car's engine ventilation system that allows for efficient breathing and reliable operation of the engine.