4-Inch iStep Running Boards; Hairline Silver (07-18 Sierra 1500 Extended/Double Cab)Find parts that fit my vehicle

Improves Truck Access. These Hairline Silver 4-Inch iStep Running Boards make great upgrades to your GMC Sierra 1500. With these running boards, you’ll be able to enter and exit your truck more efficiently. You also won’t have to worry about slipping because these boards come with 4-inch wide non-slip stepping surfaces.

Made Out of Heavy-Duty and High-Quality Materials. These running boards are created out of 6061 aircraft aluminum, so they’re able to withstand the harshest off-road environments. They also feature rust and corrosion resistant qualities, so they’ll remain in good condition—even if they’re constantly exposed to the elements.

Straightforward, No-Drill Installation. These iStep Running Boards are incredibly easy to install. This is all due to their unique design, and the fact that the boards’ installation instructions and mounting hardware are included in the kit.

Covered by a 1-Year Factory Warranty. These running boards are backed by a 1-year factory warranty. The warranty only covers manufacturer defects in workmanship, materials, and finish under normal use. This means that it doesn’t work against product damage resulting from misuse, improper installation, and road hazards.

Application. These Auto Hairline Silver 4-Inch iStep Running Boards fit all 2007-2018 GMC Sierra 1500 Extended and Double Cab models.

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