Porsche N91167901LN Billet Stainless Magnetic Drain Plug for Porsche Engines 14 x 1.5 N91167901LN SMC 505 261 Porsche Left radiator for Boxster 965 559 502 00 Porsche Left radiator for Boxster (1997 2004) and 996 (1999 2005) models The WR Anti Drain Back Valve is designed to prevent oil from migrating back into the engine from the oil tank when the car is stationary Fits the following Porsche applications:2013 2016 Cayenne Diesel2015 2018 Cayenne S E Hybrid2017 2018 Cayenne S E Hybrid Platinum2011 2014 Cayenne S Hybrid2019 2021 Cayenne2020 2021 Macan GTS Turbo2019 2021 Macan S2014 2016 Panamera S E Hybrid2012 2013 Panamera S Hybrid2017 2020 Panamera Porsche Features a powerful rare earth magnet and includes one drain plug seal gasket washer