Keep the wheel bearings u-joints, and chassis properly lubricated in your 2007.5-2010 Chevy/GMC 6.6L LMM Duramax with high-quality Grease. A quality grease will provide a long shelf life and excellent mechanical stability. Most automotive greases are remarkably water resistant to emulsion and washout and also contain rust and oxidation inhibitors. XDP carries top-of-the-line lubricants from companies like Lucas oil and Royal Purple.