Replace the drain plug in your 1989-1993 Dodge 5.9L Diesel 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. A standard drain plug can become damaged, rounded, cracked, or stripped which can result in damage to the oil pan, or oil leaks. In most applications replacing your drain plug is an inexpensive way to avoid future hassles during preventative maintenance. Get industry-leading manufacturers such as Mishimoto, Dorman, EZ Oil Drain, and Fumoto.