GMC Sierra 3500 HD Bushwacker Fender Flares

2 reviews
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  • Made for your GMC Sierra 3500 HD
  • All Bushwacker flare options are on this page
  • Comes with all GMC Sierra 3500 HD installation hardware & instructions
  • Authorized Retailer + Full Warranty Coverage

Get Easy-to-Install Parts. No Hassle.

Lowest Price Guaranteed. Free Shipping Both Ways.

Our #1 value is customer service.

We believe in doing right by our customers, no matter what it takes.

In keeping with that, we offer a “perfect fit guarantee” that ensures your satisfaction on 3 levels: low price, free shipping, and perfect fitment.

- Alan Marek, Founder of

The Lowest Price Anywhere--Guaranteed

At PartCatalog, we’ll beat any competing vendor’s price. And we’re so confident in our rock-bottom prices that we’ll refund the difference if you find a lower price elsewhere.

Free Shipping Both Ways

Our “free shipping both ways” policy means that returns and orders ship free of charge. When you place an order, you pay only the list price and any applicable taxes. We cover the shipping to save you money and ensure timely delivery.

100% Guaranteed to Fit

In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.


  • Visit our Bushwacker Resources page for more information on Bushwacker products
  • Matches factory showroom styling, looks like it rolled off the showroom floor
  • Bushwacker Fender Flares, made for your 2007-2021 GMC Sierra 3500 HD
  • All Bushwacker flare options for the Sierra 3500 HD are on this page
  • Comes with all GMC Sierra 3500 HD installation hardware & instructions
  • These flares can easily be painted to your factory color but look great as-is (most people do not paint)
  • Authenticity guaranteed - we are an Authorized Retailer
  • Get full manufacturer warranty coverage with your purchase from us


Available For:

  • Years: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007
  • Body Styles: Cab & Chassis, Crew Cab Pickup, Extended Cab Pickup, Standard Cab Pickup
  • Submodels: AT4, Base, Denali, SLE, SLT, WT

Part Numbers

40089-02, 40100-02, 40109-02, 40118-02, 40122-02, 40124-02, 40129-02, 40131-02, 40133-02, 40135-02, 40158-02, 40165-02, 40926-02, 40943-02, 40947-02, 40953-02, 40965-02, 40966-02, 40967-02, 40967-14, 40967-34, 40967-84, 40968-02, 40987-02

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Part Numbers

The following part numbers are available in this product line:

40089-02 40100-02 40109-02 40118-02 40122-02 40124-02 40129-02 40131-02 40133-02 40135-02 40158-02 40165-02 40926-02 40943-02 40947-02 40953-02 40965-02 40966-02 40967-02 40967-14 40967-34 40967-84 40968-02 40987-02

Reviews From Verified Customers

Responsive, accurate, trustworthy
Review by Thomas M.
Got some fender flares to deal with some early rust formation on the side panels of my truck in the rear. These flares fit perfectly, I'm going to have an auto body shop actually install them for me, just to ensure that they're done right, and to have the people there look at the rust spots to see if there's anything they can do to help reduce risk of further metal deterioration. The online agent was instrumental in making sure that I got the right part.
Review by Dennis

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