Genuine 079 103 221C PCV Breather Hose - 079 103

The Genuine 079 103 221C is an OEM (Original Equipment Manufacturer) PCV breather hose designed for Audi vehicles. This factory replacement part is engineered to maintain proper crankcase ventilation by connecting critical components of the engine's positive crankcase ventilation system.

Key Features:

• Genuine OEM part manufactured to exact factory specifications
• Ensures proper crankcase pressure regulation and ventilation
• Direct replacement for worn or deteriorated factory hose
• Maintains optimal engine performance and emissions control
• Precision-molded design for secure fit and leak-free operation

Breather hoses are essential components in the PCV system, allowing blow-by gases to be recirculated back into the intake system rather than venting to the atmosphere. Over time, these hoses can become brittle, cracked, or oil-saturated, leading to vacuum leaks, rough idle, and check engine lights. This genuine replacement ensures proper sealing and durability for long-lasting performance.