Home /Shop by Part/Engine and Drivetrain/Hummer Searching for Hummer Engine and Drivetrain Narrow The Number Of Models Shown By Telling Us The Year Year 2010 2009 2008 2007 2006 2005 2004 2003 2002 1996 1995 Choose your Hummer Model H H1 Engine and Drivetrain H2 Engine and Drivetrain H3 Engine and Drivetrain H3T Engine and Drivetrain Over 3,500 Installation Videos Watch the 1A Auto Videos We're here to help 888-844-3393 hablamos español: 866-401-3393 SUBSCRIBE TO OUR NEWSLETTER News & tips to your inbox Submit Customer Feedback "Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..." - Dwuan M. Read More Hummer is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by Hummer or General Motors Company. See all trademarks.