The answer to this question depends on the year of the Nissan Xterra.
Note that just because its a special arm, does not mean its hard to change.
If you have the 2000-2004, there are many options available - I use 'Trico Tech Beam Blades' which are fantastic. They are the frameless beam blades and do not clog-up with ice or snow as much as conventional wipers on the rear (on on the front for that matter)
Diagram replacement linkage for wipers 2000 Nissan Xterra.
Where is the fuse for the rear wiper on the nissan xterra 2007. I cannot find it.
How do I replace the windshield wiper switch?
Where is the wiper relay located on a nissan quest 2000
You'll need a wiper arm puller, pretty easy takes less than 5 mins to pull
The 2000 Nissan windshield wiper fuse is located in the fuse box. The windshield wiper fuse will be in the second column, third from the top.
Replace the locking tab on top of the wiper
take the acr to the body shop. It is a cheap fix and they have the expertise.
2001saturn l200 how to replace a windshield wiper switch
The 1999 Nissan windshield wiper linkage is held in place by three retaining nuts. Remove the retaining nuts and the linkage will come free. Replace the linkage with new linkage.
? wiper switch toyota camry 1999 replace
where is the wiper motor on a 1996 Nissan Maxima GXE