Flush the differential in your 2020-2022 Ram 1500 3.0L EcoDiesel with the correct Gear Oil. Conventional, full synthetic, and synthetic blend lubes are offered to fit your needs. Whether you need 75W-90, 75W-140, 80W-90, 80W-140, or 85W-140 gear lube, you can find what you need. Find top brands such as Lucas Oil, AFE, Motorcraft, Nitro Gear & Axle, and Royal Purple offered at XDP.