Flush the differential in your 2016-2022 Chevy 2.8L Duramax with the correct Gear Oil. Find the 80W-90, 80W-140, 85W-140, 75W-90, or 75W-140 lube offered for your ride. Conventional, full synthetic, and synthetic blend lubes are offered to fit your needs. XDP offers Nitro Gear & Axle, Motorcraft, AFE, Lucas Oil, and Royal Purple gear lube.
