URO 99710714502 Crankcase Breather Hose Air Oil Separator to Engine

The URO 99710714502 is a replacement crankcase breather hose that connects the air oil separator (AOS) to the engine block, serving as a critical component in the positive crankcase ventilation (PCV) system. This vent hose is designed to handle oil-laden air and crankcase vapors that pass through the air oil separator system, maintaining proper crankcase pressure and preventing harmful emissions from entering the atmosphere.

Key Features:

• Direct replacement for Porsche OEM part number 99710714502
• Engineered to meet or exceed OEM specifications for precise fitment
• High-quality construction resists cracking and deterioration from exposure to engine heat and oil vapors
• Restores proper crankcase ventilation system functionality when original hose fails
• Essential component for maintaining optimal engine performance and emissions control

URO Parts specializes in quality replacement components for European vehicles, offering professional-grade alternatives to expensive genuine parts. When crankcase breather hoses fail, symptoms can include increased crankcase vacuum, oil leaks, rough idling, or excessive exhaust smoke. Replacing failed breather hoses helps maintain proper engine operation and prevents potential damage to other engine components.