1999 fits GMC Sierra 1500, 2500, 3500 Under Seat Storage Box Extended Cab Underseat System

StrongFastParts.com

$117.98 
SKU: 1.44884473.13203

  • Includes storage box and attachment system (dividers not included)
  • Perfect solution for keeping your valuables stored away and out of sight; Great for tools, sports gear, winter accessories, hunting and fishing equipment and more
  • Compatible with Chevy Chevrolet/GMC Silverado/Sierra 1500/2500/3500 1999 (and 2007 Classic models) Extended Cab only
  • Easy tool-free installation and removal with quick release attachment points (No fumbling and fighting like with other systems)
  • Tough high impact molded heavy duty automotive grade black plastic (resistant to most chemicals); Does not interfere with foot well area; Large storage capacity: approximately 57-1/2" wide x 14" deep (custom designed to only fit Extended Cab models)