The Closed Crankcase Ventilation Hose channels blow-by gases, which are unburned fuel and air that escape past the piston rings, from the crankcase to the engine’s air intake. This redirection allows these gases to be re-burned during combustion rather than being vented into the atmosphere. Reduce emissions, prevent oil vapor buildup in the crankcase, ensure that gases are properly contained and circulated without external leakage, and maintain proper internal ventilation throughout continuous running cycles.Attributes:• Seamless connections to ensure leak-proof operation.• Helps maintain optimal crankcase pressure.• Withstands high temperatures from proximity to the engine and hot vapors.Applications: The Closed Crankcase Ventilation Hose is located between the engine’s valve cover and the intake manifold to channel blow-by gases directly from the crankcase to the intake system.