This National Differential Pinion Seal is compatible with GMC Sierra 1500 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 (Rear Genuine National Parts Includes original packaging and hardware Direct replacement auto parts Confirm vehicle fitment with Amazon Confirmed Fit This part fits the following vehicles:

Compatible with GMC Sierra 1500 1999 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2000 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2001 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2002 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2003 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2004 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2005 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2006 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2007 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2008 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2009 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2010 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2011 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2012 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2013 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2014 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2015 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2016 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2017 - Rear Outer;AAM;8.625" Ring Gear
Compatible with GMC Sierra 1500 2018 - Rear Outer;AAM;8.625" Ring Gear