Exterior Components Running Boards, Truck Steps and Components

Unique Truck Accessories

18IN X 24IN X 28IN HD STEP BOX .125 THICK SMOOTH BODY .100 THICK DIAMOND DOOR

$724.54

SKU: U00A HSB18

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Unique Truck Accessories Brute HSB18 is a heavy-duty step box combining a commercial-grade step with a lockable toolbox. It features a .125" thick smooth aluminum body, .100" thick aluminum diamond tread door, and .080" thick perforated aluminum steps. Construction is fully welded with angle reinforced back corners and gusseted door openings. It mounts to virtually any semi-tractor chassis and includes an integrated tool box cavity. Security and weather resistance are provided by stainless steel locking T-handles, integrated rain channels, and a tight door seal. Made in the USA.

Fitment

Fitment Guaranteed

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

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Specifications

BrandUnique Truck Accessories
Part NumberU00A HSB18

Videos

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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