UnderCover 99-19 Silverado / Sierra Limited/Legacy 6.5ft 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.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1999-2005	Chevrolet	Silverado 1500	Base
2016-2018	Chevrolet	Silverado 1500	Custom
2014-2018	Chevrolet	Silverado 1500	High Country
2004-2006	Chevrolet	Silverado 1500	Hybrid
1999-2006,2010-2013,2015-2018	Chevrolet	Silverado 1500	LS
1999-2018	Chevrolet	Silverado 1500	LT
2007-2018	Chevrolet	Silverado 1500	LTZ
2003-2006	Chevrolet	Silverado 1500	SS
2015-2018	Chevrolet	Silverado 1500	SSV
2003-2018	Chevrolet	Silverado 1500	WT
2004-2005	Chevrolet	Silverado 1500	Z71 Off-Road
2007	Chevrolet	Silverado 1500 Classic	Hybrid
2007	Chevrolet	Silverado 1500 Classic	LS
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	SS
2007	Chevrolet	Silverado 1500 Classic	WT
2005	Chevrolet	Silverado 1500 HD	Base
2001-2003,2005	Chevrolet	Silverado 1500 HD	LS
2001-2003,2005-2006	Chevrolet	Silverado 1500 HD	LT
2007	Chevrolet	Silverado 1500 HD Classic	LT
2019	Chevrolet	Silverado 1500 LD	Custom
2019	Chevrolet	Silverado 1500 LD	LT
2019	Chevrolet	Silverado 1500 LD	WT
1999-2004	Chevrolet	Silverado 2500	Base
1999-2004	Chevrolet	Silverado 2500	LS
1999-2004	Chevrolet	Silverado 2500	LT
2004	Chevrolet	Silverado 2500	WT
2001-2005	Chevrolet	Silverado 2500 HD	Base
2015-2019	Chevrolet	Silverado 2500 HD	High Country
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2019	Chevrolet	Silverado 2500 HD	LT
2007-2019	Chevrolet	Silverado 2500 HD	LTZ
2004-2019	Chevrolet	Silverado 2500 HD	WT
2007	Chevrolet	Silverado 2500 HD Classic	LS
2007	Chevrolet	Silverado 2500 HD Classic	LT
2007	Chevrolet	Silverado 2500 HD Classic	WT
2015-2019	Chevrolet	Silverado 3500 HD	High Country
2011-2019	Chevrolet	Silverado 3500 HD	LT
2011-2019	Chevrolet	Silverado 3500 HD	LTZ
2011-2019	Chevrolet	Silverado 3500 HD	WT
2002-2005,2014-2018	GMC	Sierra 1500	Base
2001	GMC	Sierra 1500	C3
2002-2005,2014-2018	GMC	Sierra 1500	Denali
2002	GMC	Sierra 1500	HT
2005-2006	GMC	Sierra 1500	Hybrid
1999-2003,2006-2008,2010-2013	GMC	Sierra 1500	SL
1999-2018	GMC	Sierra 1500	SLE
1999-2018	GMC	Sierra 1500	SLT
2003-2013	GMC	Sierra 1500	WT
2007	GMC	Sierra 1500 Classic	Hybrid
2007	GMC	Sierra 1500 Classic	SL
2007	GMC	Sierra 1500 Classic	SLE
2007	GMC	Sierra 1500 Classic	SLT
2007	GMC	Sierra 1500 Classic	WT
2001-2003,2005-2006	GMC	Sierra 1500 HD	SLE
2001-2003,2005-2006	GMC	Sierra 1500 HD	SLT
2007	GMC	Sierra 1500 HD Classic	SLE
2007	GMC	Sierra 1500 HD Classic	SLT
2019	GMC	Sierra 1500 Limited	Base
2019	GMC	Sierra 1500 Limited	SLE
2002-2004	GMC	Sierra 2500	Base
1999-2002	GMC	Sierra 2500	SL
1999-2004	GMC	Sierra 2500	SLE
1999-2004	GMC	Sierra 2500	SLT
2003-2004	GMC	Sierra 2500	WT
2002-2005,2015-2019	GMC	Sierra 2500 HD	Base
2011-2019	GMC	Sierra 2500 HD	Denali
2001-2002,2006	GMC	Sierra 2500 HD	SL
2001-2019	GMC	Sierra 2500 HD	SLE
2001-2019	GMC	Sierra 2500 HD	SLT
2003-2014	GMC	Sierra 2500 HD	WT
2007	GMC	Sierra 2500 HD Classic	SL
2007	GMC	Sierra 2500 HD Classic	SLE
2007	GMC	Sierra 2500 HD Classic	SLT
2007	GMC	Sierra 2500 HD Classic	WT
2015-2019	GMC	Sierra 3500 HD	Base
2011-2019	GMC	Sierra 3500 HD	Denali
2011-2019	GMC	Sierra 3500 HD	SLE
2011-2019	GMC	Sierra 3500 HD	SLT
2011-2014	GMC	Sierra 3500 HD	WT