UNDERCOVER

UnderCover Flex Folding Tonneau Cover 6'6" Fits 1999-06 Silverado/Sierra

Name: UnderCover Flex Folding Tonneau Cover 6'6" Fits 1999-06 Silverado/Sierra
Brand: UNDERCOVER
SKU: UNDFX11013
Price: 1249.99 USD
Availability: InStock

UnderCover Flex Folding Tonneau Cover 6'6" Fits 1999-06 Silverado/Sierra

SKU: UNDFX11013

Regular price: Price: $1,249.99
Regular price: List Price:
Sale price: Price: $1,249.99
Unit price: per

Product variants

Quantity

Low stock: 3 left

LIMITED-TIME OFFER – FEBRUARY ONLY!

COMPLIMENTARY INSTALLATION FOR FIRST-TIME CUSTOMERS!

Exclusive February offer for first-time buyers in Brooklyn, NY—get professional installation at no extra cost on tonneau covers, roof racks, bed racks, and load bar kits with your first purchase!

Expert installation included – absolutely free
Available for first-time customers in New York Area
Quick & hassle-free setup by our trained team

📍 Installation Location:
1072 East 49th Street, Brooklyn, NY 11234

OUR SHIPPING PARTNERS

Product Description

The UnderCover Flex is a hard folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is mounted flush with your trucks bed rails making it the most watertight hard folding cover on the market. The Flex is constructed with heavy-duty aluminum panels providing strength and durability. Each Flex has a bed rail mounting system equipped with rubber seals and drain tubes that carry water away from and out of the bed, keeping your gear dry and secure.

Features & Benefits

Non-Lockable
Low-Profile Design With An UV Protective Black Finish
Aluminum Top Skin Panel
Three Secure Driving Positions, With 100 Percent Bed Access
Dual Action Tailgate Seal
Easy To Install And Remove With Clamp-On Design
Limited 3 Year Warranty

Attributes

Type:, Hard Folding
Folds/Panels:, 2 Folds/ 3 Panels
Hinged At Front:, Front Hinge Allows Entire Tonneau to Flip Up When Folded
Profile:, Low Profile
Color Group:, Black
Color/ Finish:, Black Semi-Gloss Textured
Material:, Aluminum
Locking Type:, Non-Lockable
Compatible With Ladder Rack:, Not Ladder Rack Compatible
Compatible With Headache Rack:, Not Compatible With Headache Rack
Bed Side Rail Mount:, Inside Rail Mount
Tool Box Info:, Not Compatible With Tool Box
With Lights:, Not Applicable
Installation Type:, Clamp-On
Drilling Required:, Drilling Not Required
Additional Info1:, Bed Rail Compatible, Bed Cap Compatible
Estimated Install Time (Hours):, 1

Installation Instructions

Installation_Guide.pdf

Warranties

Warranty.pdf

Fits With

1999-2006 Chevrolet Silverado 1500
- 1999 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2000 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2001 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2002 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2003 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2004 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2005 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.); Fleetside
  - Without Bed Caps
- 2006 Chevrolet Silverado 1500 6.5 Ft. (78.0 In.)
  - Without Bed Caps
- , 2007-2007 Chevrolet Silverado 1500 Classic
  - 2007 Chevrolet Silverado 1500 Classic 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2001-2003 Chevrolet Silverado 1500 HD
  - 2001 Chevrolet Silverado 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2002 Chevrolet Silverado 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2003 Chevrolet Silverado 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2005-2006 Chevrolet Silverado 1500 HD
  - 2005 Chevrolet Silverado 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2006 Chevrolet Silverado 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2007-2007 Chevrolet Silverado 1500 HD Classic
  - 2007 Chevrolet Silverado 1500 HD Classic 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 1999-2004 Chevrolet Silverado 2500
  - 1999 Chevrolet Silverado 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2000 Chevrolet Silverado 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2001 Chevrolet Silverado 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2002 Chevrolet Silverado 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2003 Chevrolet Silverado 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2004 Chevrolet Silverado 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2001-2006 Chevrolet Silverado 2500 HD
  - 2001 Chevrolet Silverado 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2002 Chevrolet Silverado 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2003 Chevrolet Silverado 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2004 Chevrolet Silverado 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2005 Chevrolet Silverado 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2006 Chevrolet Silverado 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2007-2007 Chevrolet Silverado 2500 HD Classic
  - 2007 Chevrolet Silverado 2500 HD Classic 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 1999-2006 GMC Sierra 1500
  - 1999 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2000 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2001 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2002 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2003 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2004 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2005 GMC Sierra 1500 6.5 Ft. (78.0 In.); Fleetside
    - Without Bed Caps
  - 2006 GMC Sierra 1500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2007-2007 GMC Sierra 1500 Classic
  - 2007 GMC Sierra 1500 Classic SLE; 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2007 GMC Sierra 1500 Classic SL; 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2007 GMC Sierra 1500 Classic Hybrid
    - Without Bed Caps
  - 2007 GMC Sierra 1500 Classic WT; 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2007 GMC Sierra 1500 Classic SLT; 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2001-2003 GMC Sierra 1500 HD
  - 2001 GMC Sierra 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2002 GMC Sierra 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2003 GMC Sierra 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2005-2006 GMC Sierra 1500 HD
  - 2005 GMC Sierra 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2006 GMC Sierra 1500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2007-2007 GMC Sierra 1500 HD Classic
  - 2007 GMC Sierra 1500 HD Classic 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 1999-2004 GMC Sierra 2500
  - 1999 GMC Sierra 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2000 GMC Sierra 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2001 GMC Sierra 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2002 GMC Sierra 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2003 GMC Sierra 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2004 GMC Sierra 2500 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2001-2006 GMC Sierra 2500 HD
  - 2001 GMC Sierra 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2002 GMC Sierra 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2003 GMC Sierra 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2004 GMC Sierra 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2005 GMC Sierra 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
  - 2006 GMC Sierra 2500 HD 6.5 Ft. (78.0 In.)
    - Without Bed Caps
- , 2007-2007 GMC Sierra 2500 HD Classic
  - 2007 GMC Sierra 2500 HD Classic 6.5 Ft. (78.0 In.)
    - Without Bed Caps