Installation Time
(approx) 2 Hours
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
Style and Function. Upgrading to a set of RedRock's 4-Inch Drop TC1 Running Boards will make getting in and out of your 2020-2025 Chevrolet Silverado 3500 HD Crew Cab a much easier task. With an angular drop stepped design, these Running Boards not only provide easy entry, but they also give your truck a rugged off-road appearance. As an added bonus, these Drop Side Running Boards can provide additional protection from both road and trail hazards.
Rugged Steel Construction. RedRock manufactures their Running Boards to precise specifications from heavy duty steel for superior strength and rigidity. RedRock then completes their Running Boards in a high-grade, textured black powder coat finish for long lasting corrosion resistance and rugged good looks.
Bolt-On Installation. RedRock engineered their Drop Step Running Boards to be a direct bolt-on upgrade reusing the factory mounting points. There is no cutting or modifications required for a clean straight forward install. Installation can be completed in about 2 hours with just basic hand tools and the help of a good friend.
Application. These RedRock 4-Inch Drop TC1 Running Boards; Textured Black are designed to fit 2020-2025 Chevrolet Silverado 3500 HD Crew Cab models. Driver and passenger side included.
RedRock S186679
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Installation Info
Installation Time
(approx) 2 Hours
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box
Mar 16, 2025
Review shared from RedRock 4-Inch Drop TC1 Running Boards; Textured Black (15-25 F-150 SuperCrew)
Side step
Fit perfectly and look good would definitely recommend if you wanna change up those side steps
Mar 12, 2025
Review shared from RedRock 4-Inch Drop TC1 Running Boards; Textured Black (19-25 Silverado 1500 Crew Cab)
Great Steps!!
Just want to say I really love the steps! the 4" step gives better footing to get in and out without fear of slipping. Took about an hour and a half to install by myself.
Feb 19, 2025
Review shared from RedRock 4-Inch Drop TC1 Running Boards; Textured Black (19-25 Silverado 1500 Crew Cab)
Running boards
I love this product super easy to install plus it is a very durable material
Apr 10, 2025
Review shared from RedRock In-Channel Window Deflectors (19-25 Silverado 1500 Crew Cab)
Perfect fit
Super happy with these window deflectors! They look great with my tinted windows! Fast shipping too!
Apr 9, 2025
Review shared from RedRock Top Half Mirror Covers for Standard Mirrors; Chrome (15-20 F-150)
Good
They are made good and fits real well easy to install
Apr 8, 2025
Review shared from RedRock OEM Style Fender Flares (09-18 RAM 1500, Excluding Rebel)
Great product
Great product, fit, and finish on these fender flares are fantastic.
Apr 7, 2025
Review shared from RedRock Baja Upper Replacement Grille with LED DRL and Sequential Turn Signals (09-14 F-150, Excluding Raptor)
Upper Grill
Looks nice and added the extra lighting. Was very easy to install.
Apr 7, 2025
Review shared from RedRock OE Style Fender Flares; Black (21-25 F-150, Excluding Raptor)
Fender Flares
Purchased these a couple of weeks ago and they are very easy to install. It only took me about an hour to put them on. Great fit. Great look
Apr 7, 2025
Review shared from RedRock Cross Bar Roof Rack; Black; 60-Inch (13-25 RAM 1500)
Red rock roof rack
Well constructed sturdy easy to install great load support
Apr 7, 2025
Review shared from RedRock Front License Plate Mounting Bracket (09-14 F-150)
Front Plate Mount
I needed this to mount a specialty plate for the Mustang club I am in. It went in easily and works well.
Apr 7, 2025
Review shared from RedRock Pocket Style Fender Flares (15-17 F-150, Excluding Raptor)
Great Look for Truck
Made truck look better and only took about 1 1/2 hours to put on. Was not a fan of the hardware clips used to hold them in place. Overall very pleased with them.
Apr 7, 2025
Review shared from RedRock Full Towing Mirror Covers; Chrome (09-14 F-150)
The Mirror covers for a perfect fit
The Mirror covers for a perfect fits they were very easy to install and there was no match for cleanup
Apr 7, 2025
Review shared from RedRock Off-Road Black Antenna; 6.50-Inch (97-25 F-150)
Looks good, less than great functionality.
This is a great product if you want to replace the traditional whip antenna on your vehicle, and do not plan on using terrestrial radio. My AM and FM performance were greatly affected by this antenna, but hey, at least it looks cool. I mainly use CarPlay and SXM anyway.