Keep the engine and fuel system in your 2007-2008 Jeep Grand Cherokee 3.0L CRD clean with Fuel Additive. Many fuel additives enhance lubricity and cetane while others are specifically designed for cold weather and to reduce diesel fuel from gelling in cold weather. Additives are specially formulated to provide your vehicle with the ability to clean and maintain the components in your engine and fuel system, reduce smoke, and improve engine performance. Get the Fuel Additives your vehicle needs such as XDP, FPPF, Stanadyne, Lucas Oil, Hot Shot's Secret, Rev-X, and more!