Keep the engine and fuel system in your 2017-2019 Chevy/GMC 6.6L L5P Duramax clean with Fuel Additive. Most additives are specially formulated to reduce smoke, improve engine performance, as well as clean fuel and engine components. In addition to additives that enhance lubricity and cetane, other additives are designed specifically for cold weather and to reduce fuel gelling and provide winter protection. Shop today and find the additives you need for your vehicle from XDP, Lucas Oil, FPPF, Hot Shot's Secret, Stanadyne, and more!
