First-off, the 2004 Honda Pilot has a special rear arm and you need a wiper with an "B" attachment. You can go to your dealer or I know Trico makes a model 14-B (Exact Fit Rear Integral Blade 14-B)....
You need to first remove the rear wiper blade. To do this pop off the end cap and remove the 10mm nut from assembly. The next step is to remove the larger nut(I used 23mm deep socket) with the...
The 2008 Honda Pilot takes a special 14" rear wiper blade for the special rear arm. Your dealer will have them (may be expensive) or you may want to look into "Trico Exact Fit Rear Blades" that fit...
The 2004 Honda Pilot takes a 24" drivers side, 21" passenger side and a fairly specialized 14" rear wiper that is difficult to find in the stores. See sources and related links below for more...
The rear wiper blade is a special 14" with what they call a B attachment. They are virtually impossible to find in the stores but can be found online. By the way, very easy to install.