Dominate the dirt, gravel, or mud in your 2011-2016 Chevy/GMC 6.6L LML Duramax with Differential Carriers & Lockers. Parts are available for 1/2-ton, 3/4-ton, and 1-ton applications. Gain traction with spools, limited slip differentials, and rebuild with empty carrier cases, and lockers you need for your vehicle. Find the most popular manufacturers like Yukon Gear & Axle, Nitro Gear & Axle, and USA Standard Gear.