Genuine OEM Kia Breather Hose, part number 267102B780. This hose is designed to vent crankcase pressure, preventing harmful pressure buildup within the engine and ensuring proper lubrication. It typically connects the crankcase to the air intake system. The corrugated design provides flexibility and durability. Using a genuine OEM breather hose ensures the correct material composition for resistance to oil and heat, precise fitment, and proper routing to maintain a sealed and efficient engine ventilation system.