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15-19 GM Silverado/Sierra Extended Cab WeatherTech Under Seat Storage System

Install the WeatherTech 4S004 Under Seat Storage System to stop your tools and cargo from sliding around and ruining the floor in your 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab. This is no ordinary under seat organizer, WeatherTech uses their laser measuring technology for a custom fit to your exact make and model. The perfect fit also makes this storage system easy to install, requiring no drilling or hazardous chemicals. WeatherTech constructs their Under Seat Storage System from 100% recyclable and odorless thermoplastic elastomer, creating a durable, chemical resistant organizer that won't crack, break, or warp in even the most extreme temperatures. The Under Seat Storage System installs in minutes, secured to your vehicle with a simple buckle and strap that allows for effortless installation and removal. Backed by WeatherTech's Limited Lifetime Warranty. 



Built-in Dividers

Soft Touch Material

No-Tool Easy Installation

Won't Crack, Break, or Warp

Laser Measured For Perfect Fit



Part Number: 4S004


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