Exterior Components› Car and Truck Covers

Merritt Aluminum Products Company

UNDERBODY TOOLBOX 18X18X48 ALL SMOOTH SINGLE DOOR

$1,118.92

SKU: M0CX 209

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

High-strength, corrosion-resistant aluminum underbody box with lap-joint corner welds for superior structural integrity. Features automotive-grade perimeter seals, stainless steel T-handle locking latches, and a full stainless piano hinge for protection against water, dust, and debris. Designed for heavy-duty semi-trucks, trailers, and flatbeds. Internal track system allows for customization with shelves and lanyards.

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

BrandMerritt Aluminum Products Company
Part NumberM0CX 209

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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