1999-2006 GMC Sierra 1500 with 6' 6" Bed - Extang Trifecta Tri-Fold Tool Box Tonneau Cover (soft folding style)

GMC Sierra 1500 1999-2007 Extang Trifecta Tri-Fold Tool Box Tonneau Cover 47940
Sample Image Shown (actual item may vary slightly)
Extang #47940
Extang - 47940-extang-sierra-1500
Authorized Dealer
Our Price
  • $469.00
Free Shipping
Usually Ships within 24 to 48 Hours (excluding Saturday and Sunday)
Arrives 1 to 5 days after product ships


Don't let having a crossover toolbox in the bed of your truck stop you from protecting the rest of your GMC Sierra 1500 truck bed and/or the contents in it. With the Extang Trifecta Toolbox Tonneau Cover you'll have all the quality and durability of every other Extang Tonneau Cover along with the ability to keep your toolbox easy accessible. With a strong aluminum frame and high quality vinyl, this three fold frame design delivers protection from any weather you end up finding and the smooth design of this cover will flow seamlessly with your truck and works with all 20" wide toolboxes. With it's L-shaped front rail, this provides a water tight seal and with installation that can be completed in literally seconds with no tools, we're certain that this Extang Trifecta Toolbox Tonneau Cover will be a great addition to your GMCSierra 1500.

Features and Benefits

  • Installation can be completed in seconds with no tools required
  • Heavy Duty Vinyl creates a smooth look for your GMC Sierra 1500 truck bed
  • Tri-folding cover opens, closes or can be completely removed in seconds
  • Fits behind any 20" wide toolbox
  • Created with heavy duty vinyl to keep your truck bed and it's cargo protected from any weather
  • Backed by a Lifetime Warranty for this frame and 10 year warranty for the tarp

Installation Notes

Fits Behind 20" Tool Box. Tool box not included.

Tech Specs

Download Instructions: 47940 Instructions
Tonneau Type: Tri-Fold Soft Bed Cover
Special Features: Top Mount Folding Design, Fully assembled
Material: Vinyl cover, painted aluminum frame
Installation: No drill installation, Front T-handle clamp, rear speedclamp
Front Bed Access: No
Security: Cover can only be opened when tailgate is down
Warranty: Limited Lifetime
Easy Removal?: Yes
Can be used with rail mount tool box?: Yes
Weight: 32.00 lbs.
Part 47940 fits:
  • 2006 GMC Sierra 1500
  • 2005 GMC Sierra 1500
  • 2004 GMC Sierra 1500
  • 2003 GMC Sierra 1500
  • 2002 GMC Sierra 1500
  • 2001 GMC Sierra 1500
  • 2000 GMC Sierra 1500
  • 1999 GMC Sierra 1500


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