Add Fuel Additive to your 2014-2018 Jeep Grand Cherokee 3.0L EcoDiesel every time you fuel up. Most additives are specially formulated to help clean engine and fuel system components, reduce smoke, and help to improve performance. In addition to lubricity and cetane enhancers, some additives are designed specifically for cold weather to protect fuel and reduce fuel gelling. Get the Fuel Additives your vehicle needs such as XDP, FPPF, Stanadyne, Lucas Oil, Hot Shot's Secret, Rev-X, and more!