Maintain adequate lubrication of the wheel bearings, u-joints, and chassis of your 2001-2004 Chevy/GMC 6.6L LB7 Duramax with premium Grease. Most automotive greases are remarkably water resistant to emulsion and washout and also contain rust and oxidation inhibitors. Extraordinary storage life and outstanding mechanical stability provide you with a lengthy service life. XDP carries top-of-the-line lubricants from companies like Lucas oil and Royal Purple.