Get the Gear Oil you need when swapping gears or servicing the axles in your 2014-2019 Ram 1500 3.0L EcoDiesel. Get the 75W-90, 75W-140, 80W-90, 80W-140, or 85W-140 lube you need for your vehicle. 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.