VMS Racing 01-16 BLUE Billet AIR BLEED BLEEDER SCREW Plug for Fuel Filter Housing Compatible with GMC Sierra 2500 3500 HD DURAMAX 6.6L V8 Diesel Engine 2001-2016 VMS Racing Brand (NOT Generic). Billet aluminum, CNC Machined construction for unsurpassed fit and finish. CNC Machined Solid 6061-T6 Billet Aluminum with High-quality Nitrile O-ring . Beautifully Anodized. Available in 5 Distinguished different colors. You will receive the color that is listed in the listing title only. Fitment - Fits = GMC Sierra 2500 3500 HD Duramax 6.6 L Liter V8 Diesel Engine 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Replaces GM Part Numbers 97363195 and 513081000. Easy to install. SUPERIOR quality to original plug. Durable finish. Will last a lifetime. You will not regret this tiny yet significant upgrade to your Duramax engine.