1-4 DAYS DELIVERY
UnderCover 99-19 Silverado / Sierra Limited/Legacy 5.5ft Triad Bed Cover - TR16018
- Description
- Shipping and Refund
- Reviews
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 open 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.
UnderCover Triad 1999-2018 (2019 Legacy/Limited) Chevrolet Silverado/GMC Sierra 5ft. 9in. Bed (1999-2013 models must remove factory tailgate spoiler and replace with form fitting tailgate cap)
Coming Spring 2022NOTE: Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500--This part is for the Legacy/Limited Body StyleNOTE: Will NOT work with UnderCover SwingCase
2004-2005 Chevrolet Silverado 1500 68.4 Bed Without Factory Tailgate Spoiler, 2006 Chevrolet Silverado 1500 69.2 Bed Without Factory Tailgate Spoiler, 2007-2018 Chevrolet Silverado 1500 69.3 Bed Without Factory Tailgate Spoiler, 2007 Chevrolet Silverado 1500 Classic 69.2 Bed Without Factory Tailgate Spoiler, 2004-2006 GMC Sierra 1500 68.4 Bed Without Factory Tailgate Spoiler, 2006 GMC Sierra 1500 69.2 Bed Without Factory Tailgate Spoiler, 2007-2018 GMC Sierra 1500 69.3 Bed Without Factory Tailgate Spoiler, 2007 GMC Sierra 1500 Classic 68.4 Bed Without Factory Tailgate Spoiler, 2007 GMC Sierra 1500 Classic 69.2 Bed Without Factory Tailgate Spoiler
Fits
2004 Chevrolet Silverado 1500 LS
2004 Chevrolet Silverado 1500 LT
2004 Chevrolet Silverado 1500 Z71
2004 GMC Sierra 1500 SLE
2004 GMC Sierra 1500 SLT
2005 Chevrolet Silverado 1500 LS
2005 Chevrolet Silverado 1500 LT
2005 GMC Sierra 1500 SLE
2005 GMC Sierra 1500 SLT
2006 Chevrolet Silverado 1500 LS
2006 Chevrolet Silverado 1500 LT
2006 GMC Sierra 1500 Denali
2006 GMC Sierra 1500 SL
2006 GMC Sierra 1500 SLE
2006 GMC Sierra 1500 SLT
2007 Chevrolet Silverado 1500 LS
2007 Chevrolet Silverado 1500 LT
2007 Chevrolet Silverado 1500 LTZ
2007 Chevrolet Silverado 1500 WT
2007 Chevrolet Silverado 1500 Classic LS
2007 Chevrolet Silverado 1500 Classic LT
2007 GMC Sierra 1500 Denali
2007 GMC Sierra 1500 SL
2007 GMC Sierra 1500 SLE
2007 GMC Sierra 1500 SLT
2007 GMC Sierra 1500 WT
2007 GMC Sierra 1500 Classic Denali
2007 GMC Sierra 1500 Classic SL
2007 GMC Sierra 1500 Classic SLE
2007 GMC Sierra 1500 Classic SLT
2008 Chevrolet Silverado 1500 LS
2008 Chevrolet Silverado 1500 LT
2008 Chevrolet Silverado 1500 LTZ
2008 Chevrolet Silverado 1500 WT
2008 GMC Sierra 1500 Denali
2008 GMC Sierra 1500 SL
2008 GMC Sierra 1500 SLE
2008 GMC Sierra 1500 SLT
2008 GMC Sierra 1500 WT
2009 Chevrolet Silverado 1500 Hybrid
2009 Chevrolet Silverado 1500 LS
2009 Chevrolet Silverado 1500 LT
2009 Chevrolet Silverado 1500 LTZ
2009 Chevrolet Silverado 1500 WT
2009 GMC Sierra 1500 Denali
2009 GMC Sierra 1500 Hybrid
2009 GMC Sierra 1500 SL
2009 GMC Sierra 1500 SLE
2009 GMC Sierra 1500 SLT
2009 GMC Sierra 1500 WT
2010 Chevrolet Silverado 1500 Hybrid
2010 Chevrolet Silverado 1500 LS
2010 Chevrolet Silverado 1500 LT
2010 Chevrolet Silverado 1500 LTZ
2010 Chevrolet Silverado 1500 WT
2010 Chevrolet Silverado 1500 XFE
2010 GMC Sierra 1500 Denali
2010 GMC Sierra 1500 Hybrid
2010 GMC Sierra 1500 SL
2010 GMC Sierra 1500 SLE
2010 GMC Sierra 1500 SLT
2010 GMC Sierra 1500 WT
2010 GMC Sierra 1500 XFE
2011 Chevrolet Silverado 1500 Hybrid
2011 Chevrolet Silverado 1500 LS
2011 Chevrolet Silverado 1500 LT
2011 Chevrolet Silverado 1500 LTZ
2011 Chevrolet Silverado 1500 WT
2011 Chevrolet Silverado 1500 XFE
2011 GMC Sierra 1500 Denali
2011 GMC Sierra 1500 Hybrid
2011 GMC Sierra 1500 SL
2011 GMC Sierra 1500 SLE
2011 GMC Sierra 1500 SLT
2011 GMC Sierra 1500 WT
2011 GMC Sierra 1500 XFE
2012 Chevrolet Silverado 1500 Hybrid
2012 Chevrolet Silverado 1500 LS
2012 Chevrolet Silverado 1500 LT
2012 Chevrolet Silverado 1500 LTZ
2012 Chevrolet Silverado 1500 WT
2012 Chevrolet Silverado 1500 XFE
2012 GMC Sierra 1500 Denali
2012 GMC Sierra 1500 Hybrid
2012 GMC Sierra 1500 SL
2012 GMC Sierra 1500 SLE
2012 GMC Sierra 1500 SLT
2012 GMC Sierra 1500 WT
2012 GMC Sierra 1500 XFE
2013 Chevrolet Silverado 1500 Hybrid
2013 Chevrolet Silverado 1500 LS
2013 Chevrolet Silverado 1500 LT
2013 Chevrolet Silverado 1500 LTZ
2013 Chevrolet Silverado 1500 WT
2013 Chevrolet Silverado 1500 XFE
2013 GMC Sierra 1500 Denali
2013 GMC Sierra 1500 Hybrid
2013 GMC Sierra 1500 SL
2013 GMC Sierra 1500 SLE
2013 GMC Sierra 1500 SLT
2013 GMC Sierra 1500 WT
2013 GMC Sierra 1500 XFE
2014 Chevrolet Silverado 1500 High Country
2014 Chevrolet Silverado 1500 LT
2014 Chevrolet Silverado 1500 LTZ
2014 Chevrolet Silverado 1500 WT
2014 GMC Sierra 1500 Base
2014 GMC Sierra 1500 Denali
2014 GMC Sierra 1500 SLE
2014 GMC Sierra 1500 SLT
2015 Chevrolet Silverado 1500 High Country
2015 Chevrolet Silverado 1500 LS
2015 Chevrolet Silverado 1500 LT
2015 Chevrolet Silverado 1500 LTZ
2015 Chevrolet Silverado 1500 SSV
2015 Chevrolet Silverado 1500 WT
2015 GMC Sierra 1500 Base
2015 GMC Sierra 1500 Denali
2015 GMC Sierra 1500 SLE
2015 GMC Sierra 1500 SLT
2016 Chevrolet Silverado 1500 Custom
2016 Chevrolet Silverado 1500 High Country
2016 Chevrolet Silverado 1500 LS
2016 Chevrolet Silverado 1500 LT
2016 Chevrolet Silverado 1500 LTZ
2016 Chevrolet Silverado 1500 SSV
2016 Chevrolet Silverado 1500 WT
2016 GMC Sierra 1500 Base
2016 GMC Sierra 1500 Denali
2016 GMC Sierra 1500 SLE
2016 GMC Sierra 1500 SLT
2017 Chevrolet Silverado 1500 High Country
2017 Chevrolet Silverado 1500 LS
2017 Chevrolet Silverado 1500 LT
2017 Chevrolet Silverado 1500 LTZ
2017 Chevrolet Silverado 1500 SSV
2017 Chevrolet Silverado 1500 WT
2017 GMC Sierra 1500 Base
2017 GMC Sierra 1500 Denali
2017 GMC Sierra 1500 SLE
2017 GMC Sierra 1500 SLT
2018 Chevrolet Silverado 1500 Custom
2018 Chevrolet Silverado 1500 High Country
2018 Chevrolet Silverado 1500 LS
2018 Chevrolet Silverado 1500 LT
2018 Chevrolet Silverado 1500 LTZ
2018 Chevrolet Silverado 1500 SSV
2018 Chevrolet Silverado 1500 WT
2018 GMC Sierra 1500 Base
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 SLE
2018 GMC Sierra 1500 SLT
Shipping & Processing Time
All in-stock orders are processed and shipped within 1 business day (excluding weekends and holidays).
Delivery typically takes 2–5 business days, depending on the destination. We ship from multiple warehouses across the United States, which allows us to deliver orders as quickly as possible.
Please note that delivery times are estimates provided by the carrier and are not guaranteed.
Shipping Carriers
Most orders are shipped via UPS Ground or FedEx, depending on the size and weight of the item.
Some large or oversized items may be shipped via SAIA or other freight carriers.
Carrier selection is determined automatically at the time of shipment.
Tracking Information
Once your order has shipped, a tracking number will be emailed to the email address provided at checkout.
Tracking information usually becomes active within 1 business day after shipment, depending on the carrier.
Where Is My Order?
When tracking information is provided, this means your order has been processed and shipped.
Carriers such as UPS and FedEx provide point-in-time tracking, meaning updates occur as the package is scanned during transit.
Most orders arrive within 2–5 business days. If your order does not arrive within the estimated timeframe, please contact us and we will be happy to assist.
Delivered Packages & Theft
Once an order is marked as Delivered by the carrier to the address provided at checkout, the order is considered successfully fulfilled.
We are not responsible for lost or stolen packages after delivery, including cases of mail theft.
If your tracking shows “Delivered” but you did not receive the package, we recommend:
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Checking around your property and with neighbors
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Contacting the carrier to file a missing or stolen package claim
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Filing a police report for mail theft (if applicable)
If the carrier provides written confirmation of delivery error, please contact us and we will review the case.
Signature Requirement
Signature confirmation is not required by default for orders under $200.
If you would like to add signature confirmation to your shipment, please contact us before placing your order. Additional fees may apply.
Incorrect Shipping Address
Customers are responsible for providing an accurate and complete shipping address at checkout.
We are not responsible for orders delivered to an incorrect address provided by the customer.
Cancellations
Order cancellations are free of charge as long as the order has not yet shipped.
Please contact us as soon as possible if you need to cancel your order. Once an order has shipped, it cannot be canceled.
Contact Us
If you have any questions regarding shipping, delivery, or your order, please contact us and we will be happy to help.





