Replace the drain plug in your 2003-2010 Chevy/GMC Kodiak/TopKick 6.6L Duramax with new Oil Drain Plugs & Valves. Find an upgraded oil drain valves for your application that is designed make easy and clean oil changes with less cleanup with just the touch of a lever. Traditional style thread-in drain plugs can often become damaged, rounded, cracked, or stripped causing oil leaks. In many cases, the drain plugs should be replaced in standard intervals. You'll find top brands like EZ Oil Drain, Fumoto, Mishimoto, and Dorman available.