# UnderCover 99-19 Silverado / Sierra Limited/Legacy 5.5ft Triad Bed Cover

The TRIAD by UnderCover is a hard-folding truck bed cover featuring matte black panels for a sleek and innovative addition to your truck bed. Integrated perimeter seals protect your truck bed from the elements, while aluminum panels enhance the security of your truck bed and support up to 600 lbs of evenly distributed weight. The TRIAD has 2 available riding positions in the fully closed and 2/3 open position for convenience to haul and manage most any cargo. The TRIAD is fashioned with easy-to-use tailgate clamps allowing quick access to the truck bed. The TRIAD hard-folding cover comes completely assembled to provide a quick and easy installation and backed by a 3-year warranty.

-   Integrated perimeter and corner seals
-   Easy ‘on and off’ functionality
-   Fashionable matte black panels
-   Easy On-Off Functionality
-   Dual hinge seals

This Part Fits:

Year

Make

Model

Submodel

2016,2018

Chevrolet

Silverado 1500

Custom

2014-2018

Chevrolet

Silverado 1500

High Country

2009-2013

Chevrolet

Silverado 1500

Hybrid

2004-2013,2015-2018

Chevrolet

Silverado 1500

LS

2004-2018

Chevrolet

Silverado 1500

LT

2007-2018

Chevrolet

Silverado 1500

LTZ

2015-2018

Chevrolet

Silverado 1500

SSV

2007-2018

Chevrolet

Silverado 1500

WT

2010-2013

Chevrolet

Silverado 1500

XFE

2004-2005

Chevrolet

Silverado 1500

Z71 Off-Road

2007

Chevrolet

Silverado 1500 Classic

LS

2007

Chevrolet

Silverado 1500 Classic

LT

2014-2018

GMC

Sierra 1500

Base

2006-2018

GMC

Sierra 1500

Denali

2009-2013

GMC

Sierra 1500

Hybrid

2006-2013

GMC

Sierra 1500

SL

2004-2018

GMC

Sierra 1500

SLE

2004-2018

GMC

Sierra 1500

SLT

2007-2013

GMC

Sierra 1500

WT

2010-2013

GMC

Sierra 1500

XFE

2007

GMC

Sierra 1500 Classic

Denali

2007

GMC

Sierra 1500 Classic

SL

2007

GMC

Sierra 1500 Classic

SLE

2007

GMC

Sierra 1500 Classic

SLT

## Details

- **Price:** 1281.49 CAD
- **Vendor:** Undercover
- **Type:** Bed Covers - Folding

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1281.49 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Mounted
- Photo - Mounted
- Photo - Mounted
- Photo - Mounted
- Photo - Mounted
- Photo - Mounted
- Photo - Mounted
- Photo - Mounted

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/undercover-99-19-silverado-sierra-limited-legacy-5-5ft-triad-bed-cover)
> Updated: 2026-07-01