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17-19 Ford SuperDuty & 15-19 F150 Extended Cab WeatherTech Under Seat Storage System




Make use of the area underneath the rear seats of your 2017-2019 Ford Super Duty or 2015-2019 Ford F-150 Extended Cab truck with the WeatherTech 4S003 Under Seat Storage System. Using WeatherTech's proven laser measuring technology, this under seat organizer easily installs without tools and flows with the factory contours of your truck with its custom fit. The Under Seat Storage System fits securely with a simple buckle and strap that can easily be removed if necessary. 


Built-in dividers allows you to keep organized and prevents cargo or other items from shifting around during transit. Made from 100% recyclable and odorless thermoplastic elastomer, the 4S003 is soft yet durable, chemical resistant, and won't warp or crack in even the most extreme temperatures. Comes backed by a limited lifetime warranty!



Custom Fit

Laser Measured

Built-in Cargo Dividers

No-Tool Easy Installation

Limited Lifetime Warranty



2015-2019 Ford F-150 Extended Cab (Carpeted Floor)

2017-2019 Ford F250/F-350/F-450/F-550 Super Duty Extended Cab (Carpeted Floor)


Part Number: 4S003