Step up into your truck with confidence using the Big Country Truck Accessories 4" WIDESIDER Platinum Side Bars (MPN 3940520) — a 52" running-board-style side step finished in textured black powder coat and backed by a five-year warranty. These bars fit a wide range of trucks and CUVs, including the 2007-2018 Chevrolet Silverado 1500, 2007-2019 Silverado 2500 HD, 2007-2018 Silverado 3500 HD, 2004-2014 Ford F-150, 1999-2025 Ford F-250 Super Duty and F-350 Super Duty, 2007-2018 GMC Sierra 1500, 2011-2025 Ram 2500 and 3500, and 2007-2017 Toyota Tundra — see the Buyer's Guide tab for the full list.
Designed as a lower step and side accent, these bars help you get in and out of a lifted or full-size truck more easily while adding a rugged look. Confirm the correct bar length and matching bracket kit for your specific vehicle before ordering.
Are mounting brackets included?
No. This listing is for the bars only; application-specific mounting brackets are sold separately. The Widesider brackets are compatible with 4", 5" and 6" bars.
How long are these side bars?
They are the 4" WIDESIDER Platinum bars measuring 52" long.
What is the finish?
A textured black powder coat finish with plastic end caps, backed by a 5-year warranty.
Does installation require drilling?
They are designed for bolt-on, no-drill installation on most applications. Confirm the correct bracket kit for your specific vehicle.
Will these fit my truck?
They fit many trucks and CUVs, including select Silverado, Sierra, F-150, F-250/F-350 Super Duty, Ram, and Tundra models. Check the Buyer's Guide tab and match the correct bar length and brackets.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
