Vacuum / Breather Hose / Line 7P0133778A for Porsche, Volkswagen

The OEM Vacuum/Breather Hose (Part Number: 7P0133778A) is an essential component found in the crankcase ventilation system of select Porsche Cayenne (2011-2018) and Volkswagen Touareg (2011-2017) models. Located between the engine's crankcase and the intake manifold, this hose plays a critical role in regulating pressure within the engine while facilitating the proper expulsion of oil vapors and gases. Common issues requiring its replacement include cracking, leaks, or blockages, which can lead to increased engine pressure, oil consumption, and performance problems. If you're experiencing poor engine performance or warning lights related to the emissions system, it’s likely time to inspect this crucial line. This factory-original part ensures compatibility and reliability, directly interfacing with other components in the engine's air management system. Replacement of this breather hose can effectively resolve symptoms related to poor ventilation, enhancing the longevity and efficiency of your vehicle's engine system.