2006-2007 GM Duramax 6.6L LBZ Cooling Upgrades
The 2006-2007 GM 6.6L Duramax LBZ's tend to run a bit hot when pushed to the extreme, causing you unnecessary hassles down the line. Take a look at our entire inventory of engine cooling upgrades to ensure your 6.6L Duramax is operating at peak performance even during the most extreme driving applications. Outperform and outlast the competition by outfitting your GM Sierra/Silverado 2500/3500 with some of the best cooling components on the market! GM Duramax Fitments: 2006, 2007 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.