URO 06B103221L Breather Hose 3-Way Valve Cover Crankcase Ventilation Hose

The URO 06B103221L is a three-way breather hose designed for crankcase ventilation systems on Audi and Volkswagen engines. This critical emission control component connects the valve cover to the PCV (positive crankcase ventilation) system, allowing pressure and vapors to be properly routed from the crankcase.

Key Features:

• Three-way configuration for connecting valve cover to ventilation system
• Constructed from durable oil and heat-resistant rubber compound
• Direct OE replacement for Audi/VW part number 06B103221L
• Prevents vacuum leaks that can cause rough idle and check engine lights
• Prevents oil vapor contamination of intake system

This breather hose is a common maintenance item that can deteriorate over time due to heat and oil exposure. Symptoms of a failing breather hose include rough idle, oil consumption, whistling sounds from the engine bay, and illuminated check engine lights with lean fuel mixture codes. URO Parts manufactures this component to meet or exceed OEM specifications, providing reliable performance at an affordable price point.