Exterior Components Car and Truck Covers

Undercover

UnderCover 14-21 Toyota Tundra 78in Fusion Bed Cover - Super White

$1,799.99

SKU: U001 AR42009L-040

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The UnderCover Fusion Tri-Fold Tonneau Cover is a premium hard-folding tonneau cover designed for cargo protection and sleek styling. It features a seamless, tri-fold design that is pre-painted to match OEM factory colors (Super White, 040) for a flawless appearance. The cover is constructed from durable yet lightweight aluminum-skinned panels, providing maximum strength and theft resistance. Integrated EPDM rubber hinges and perimeter seals prevent moisture intrusion, protecting cargo from various weather conditions. The low-profile design sits flush with the truck bed, and soft-touch carpeted under panels add to the finished look. Integrated drain channels and tubes help manage water runoff. Installation is a simple, no-drill process using a clamp-on L-Rail system. Automatic slam latches and a dual-action tailgate seal ensure security and ease of use, allowing the tailgate to operate whether the cover is open or closed. Integrated prop rods allow the cover to be secured against the rear window, providing full bed access while driving. This particular MPN (AR42009L-040) is for the Super White paint code. It is designed for Toyota Tundra models with a 6.5-foot bed. Compatibility with the deck rail system is not definitively confirmed due to conflicting information from various sources; therefore, buyers should verify fitment for their specific bed configuration. It is not compatible with factory bed storage boxes.

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

BrandUndercover
Part NumberU001 AR42009L-040

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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