The Toyota Tacoma is a perfect example, with about 15 different equipment choices for 2010, offering towing capacities ranging from 3500# to over 10,000#. But here's what's offered for front brake pads:
(source, one of many:
https://www.toyotapartscenter.net/to...comaparts.html)
Description Year Your Price
Front pads, tacoma 05-10 $50.39
(in other words, one set of front brake pads appears to fit every Tacoma made in the last 5 years)
Regarding the 2001 Dodge Durango, This looks like it might be one size fits all, but I really don't know the vehicle. If you need different brake pads for Durangos with tow packages, these people don't seem to be telling you about it:
http://www.autopartswarehouse.com/se...ue=Performance)