Exterior Components› Running Boards, Truck Steps and Components

TRAILFX

4" TRAPEZOID SIDE BAR PSS

$589.74

SKU: T05Q A4001S

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The TrailFX A4001S Step Nerf Bar is a 4-inch trapezoidal side step made from polished stainless steel. It features a rocker panel mount, extra-wide step pads, plastic end caps, and direct-fit mounting brackets. This product is designed to provide style, utility, and protection for trucks and SUVs, offering safe entry and exit with maximum grip. It comes with a limited lifetime warranty.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTRAILFX
Part NumberT05Q A4001S

Videos

Installing Running Boards - Trail FX Side Bars - Silverado 2017

Installing Running Boards - Trail FX Side Bars - Silverado 2017
How To Install TRUCK STEPS Unbox, Review - Chevy GMC - Nerf Bars / Running Boards / SIDE STEPS / SUV

How To Install TRUCK STEPS Unbox, Review - Chevy GMC - Nerf Bars / Running Boards / SIDE STEPS / SUV

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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