Home/Shop by Part/Oil Cooler & Lines - Engine/Hummer Searching for Hummer Oil Cooler & Lines - Engine Narrow The Number Of Models Shown By Telling Us The Year Year 2007 2006 2005 2004 2003 Choose your Hummer Model H H2 Oil Cooler & Lines - Engine Over 3,000 Installation Videos Watch the 1A Auto Videos We're here to help 888-844-3393 hablamos español: 866-401-3393 NEWS & TIPS TO YOUR INBOX Sign up for our newsletter 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.