Find a replacement Oil Drain Plug and Valve for your 2014-2018 Jeep Grand Cherokee 3.0L EcoDiesel. A standard thread-in drain plug can become damaged, rounded, or stripped making it difficult to remove, or can also cause oil leaks. In most cases a drain plug is fairly inexpensive and is simple to replace during preventative maintenance. Upgraded oil drain plugs are available for most applications and make it easy for you to quickly and cleanly drain your engine oil with just the turn of a lever. You'll find top brands like EZ Oil Drain, Fumoto, Mishimoto, and Dorman available.