Not sure which 2003 Chevy Avalanche Nerf Bars & Running Boards are right for you? We have over 7887 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:
"The Westin nerf bars I put on my 03' Avalanche were easy to install and are a good addition for the price. If your looking for heavy gauge, heavy duty bars, you may want to look at something else though." —Todd G from Highlands Ranch, CO bought a Westin 3" Signature Series Nerf Bars for a 2003 Chevy Avalanche.