Not sure which 2004 GMC Sierra Side Mount Toolboxes are right for you? We have over 55 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"looks good, lock didnt close all the way. I had to grind 3/4 of an inch of of the locking arm to get it to close all the way. Other than that it works and looks pretty god." —Drew W from Marquette, MI bought a Dee Zee Specialty Series Wheel Well Truck Toolbox for a 2004 GMC Sierra.