This Bilstein 5100 Series Shock Absorber (part number 24 - 285285) is a great fit for your 2017 - 2022 Ford F - 250 or F - 350 with a 4' lift and 4WD. It's designed to enhance the ride quality of your 6.7L Superduty. Whether your vehicle is loaded or unloaded, these shocks improve driveability, stability, and control on both streets and trails. The shock absorber comes as a single unit. It has a collapsed length of 16.85' and an extended length of 25.75', with a body diameter of 46mm.

Using this Bilstein 5100 shock absorber is straightforward. First, make sure your vehicle is safely lifted and supported. Then, remove the old shock absorber and install the new one in its place, following the standard installation process for your Ford F - 250 or F - 350. As for maintenance, it's a good idea to check the shock absorber regularly for any signs of leaks or damage. If you notice any oil leakage or unusual noises during driving, it might be time to replace the shock. Also, keep the shock clean to prevent dirt and debris from affecting its performance. In general, this shock absorber is built to last, but proper care will ensure it serves you well for a long time.