To do the secondary fuel filter mounted on the engine, drivers side near the cowl you need a 28mm socket and an assortment of extensions and ratchet. A wobble extension or universal helps as you can not get exactly straight over the filter canister. I also recommend torquing the lid to the recommended specs unless you have a good feel for how tight things are. The threads are plastic and while not easily stripped it is possible to gall them up if overtightened during assembly. Make sure it is started by hand, fine threads cross up easier.
The primary filter is mounted under the truck near the bottom of the bed. If you aren't careful you will take a fuel bath on that one as you are working overhead. I stuff a length of rubber hose on the drain at the bottom of the water separator, open it up and let it drain into a pan. Then you simply need a strap wrench to break the filter loose. On my truck the water in fuel sensor is located on the bottom of the filter and needs removed and installed on the new filter, I think I remember seeing that has changed on the 19 when I went to the rally in June. This would be a good thing.