Check out the Coolant Hoses & Pipes from XDP to find the hoses your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax needs. Find factory-style replacements or heavy-duty options to replace the failed components in your cooling system. Check out the upgraded hoses, pipes, and connectors to replace failure prone components on your truck. Find Coolant Hoses & Pipes from top name manufacturers including Dayco, Dorman, Mishimoto, and many more!