Find the right Gear Oil you need when installing a differential cover, or servicing your axle on your 2017-2024 Ford 6.7L Powerstroke. Whether you need 75W-90, 75W-140, 80W-90, 80W-140, or 85W-140 gear lube, you can find what you need. Discover the large array of synthetic blend, conventional, and full synthetic lubes we offer. XDP carries the AFE, Motorcraft, Nitro Gear & Axle, Royal Purple, and Lucas Oil lubricants you need.