Replacement Part Numbers: 95511011600, 955 110 116 00Wide Vehicle Compatibility: Fits for 2007-2011 Porsche Cayenne models equipped with the 3.6L V6 gasoline engine. Compatible with both 9PA and 9PA1 platform variants. Please verify your vehicle's year and engine size before ordering.Precision Vacuum Actuation & Restored Engine Performance: This vacuum-operated actuator controls the variable intake manifold flaps, which adjust the length of the intake air path based on engine RPM to optimize torque and power delivery. A faulty actuator may cause loss of low-end torque, hesitation during acceleration, reduced fuel economy, and an illuminated check engine light. Replacing a failed unit restores proper intake manifold tuning and overall engine efficiency.Plug-and-Play Installation: Direct bolt-on replacement with factory vacuum line connection. Installation is typically straightforward, requiring basic hand tools. Professional installation is recommended to ensure proper vacuum line routing and to verify correct flap operation after replacement.Quality Assured: Built with durable materials and rigorously tested to ensure reliable, long-lasting performance in demanding engine bay environments. If you encounter any issues during shopping or have questions about compatibility, please contact us promptly through Amazon Buyer-Seller Messaging.