OE Number:12648138/12634308/12583384/12574094/V518/V546/12681693/12578316Fitment for Chevy for Chevrolet Traverse LS, LT, LTZ 3.6L 2012-2017 for Buick Enclave Base 3.6L 2012-2013 for Buick Enclave Convenience, Leather, Premium 3.6L 2014-2017 for GMC Acadia Denali, SL, SLE, SLT 3.6L 2012-2016 for GMC Acadia Limited Base 3.6L 2017 Specification Material: Metal, Plastic This is a non-OEM product, accessory only! Include 1x PCV Valve Tube, 1x Passenger Side PCV Valve Fitting, 1x Left Side PCV Valve Fitting Product Characteristics: Durable Construction: Built with good quality materials to withstand heat, vibration. Designed to maintain engine vacuum and prevent backflow. Prevents rough idling, engine misfires, and poor acceleration caused by a clogged or faulty valve. Prevents blow-by gases from building up in the crankcase, keeping engine oil cleaner longer. Installation: 1.Locate the PCV valve on the valve cover or intake manifold. 2.Disconnect the hose carefully. 3.Remove the old valve by unscrewing or pulling it out. 4.Install the new valve, ensuring it's secure. 5.Reconnect the hose. 6.Start the engine and check for leaks.