# WeatherTech 4S021 Black Under Seat Storage System for 1999-2016 Ford Multiple Models ### Performance Overview Your journey on the road or the great outdoors may surprise you in ways you haven't imagined. Stay ahead of these events with a complete set of tools and essentials on your next trip, easily accommodated by the spacious WeatherTech Under Seat Storage System. One of the best storage solutions on the market, the WeatherTech Under Seat Storage System is a plug and play implement that fits right under the rear seat of your ride for maximum accessibility and capacity. With a "soft-touch" feature alongside the WeatherTech Under Seat Storage System's built-in dividers, you Won't have to worry about your cargo shifting. With a custom fitment for your exact vehicle, the WeatherTech Under Seat Storage System doesn't need any modifications with tools or chemicals for a no-hassle installation process. The WeatherTech Under Seat Storage System is made from 100% recyclable Thermoplastic Elastomer material as well, without any harmful additives that may prove harmful for you or the environment. With a buckle strap implementation, the WeatherTech Under Seat Storage System is easily accessible and serviceable, making it a joy to use every time. Load up on all the goodies, with the spacious compartment of the amazing WeatherTech Under Seat Storage System. ### Key Features - Your journey on the road or the great outdoors may surprise you in ways you haven't imagined. - Stay ahead of these events with a complete set of tools and essentials on your next trip, easily accommodated by the spacious WeatherTech Under Seat Storage System. - One of the best storage solutions on the market, the WeatherTech Under Seat Storage System is a plug and play implement that fits right under the rear seat of your ride for maximum accessibility and capacity. - With a "soft-touch" feature alongside the WeatherTech Under Seat Storage System's built-in dividers, you Won't have to worry about your cargo shifting. - WeatherTech part number 4S021. ### Vehicle Fitment - 1999 Ford F-250 — Fitment Precision: BASE, LARIAT, XL, XLT; Note: Extended Cab - 1999 Ford F-250 Super Duty — Fitment Precision: LARIAT, XL, XLT; Note: Extended Cab - 2000 Ford F-250 Super Duty — Fitment Precision: LARIAT, XL, XLT; Note: Extended Cab - 2001 Ford F-250 Super Duty — Fitment Precision: LARIAT, XL, XLT; Note: Extended Cab - 2002 Ford F-250 Super Duty — Fitment Precision: LARIAT, XL, XLT; Note: Extended Cab - 2003 Ford F-250 Super Duty — Fitment Precision: LARIAT, XL, XLT; Note: Extended Cab - 2004 Ford F-250 Super Duty — Fitment Precision: HARLEY-DAVIDSON EDITION, LARIAT, XL, XLT; Note: Extended Cab - 2005 Ford F-250 Super Duty — Fitment Precision: HARLEY-DAVIDSON EDITION, LARIAT, XL, XLT; Note: Extended Cab ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 4S021. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Under-Seat Storage for Ford F-250 - 4S021 fitment - WeatherTech Under-Seat Storage - Black Under Seat Storage System fitment - 1999 Ford F-250 Under-Seat Storage ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1999 Ford F-250 BASE, LARIAT, XL, XLT Extended Cab 1999 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2000 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2001 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2002 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2003 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2004 Ford F-250 Super Duty HARLEY-DAVIDSON EDITION, LARIAT, XL, XLT Extended Cab 2005 Ford F-250 Super Duty HARLEY-DAVIDSON EDITION, LARIAT, XL, XLT Extended Cab 2006 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2007 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2008 Ford F-250 Super Duty FX4, LARIAT, XL, XLT Extended Cab 2009 Ford F-250 Super Duty CABELA'S, FX4, LARIAT, XL, XLT Extended Cab 2010 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2011 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2012 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2013 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2014 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2015 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 2016 Ford F-250 Super Duty LARIAT, XL, XLT Extended Cab 1999 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2000 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2001 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2002 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2003 Ford F-350 Super Duty KING RANCH, LARIAT, XL, XLT Extended Cab 2004 Ford F-350 Super Duty HARLEY-DAVIDSON EDITION, LARIAT, XL, XLT Extended Cab 2005 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2006 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2007 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2008 Ford F-350 Super Duty FX4, LARIAT, XL, XLT Extended Cab 2009 Ford F-350 Super Duty CABELA'S, FX4, LARIAT, XL, XLT Extended Cab 2010 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2011 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2012 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2013 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2014 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2015 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2016 Ford F-350 Super Duty LARIAT, XL, XLT Extended Cab 2015 Ford F-450 Super Duty XL Extended Cab ## Details - **Price:** 251.12 CAD - **Vendor:** WeatherTech - **Type:** Under-Seat Storage - **Tags:** 1999 Ford F-250, 1999 Ford F-250 Super Duty, 1999 Ford F-350 Super Duty, 2000 Ford F-250 Super Duty, 2000 Ford F-350 Super Duty, 2001 Ford F-250 Super Duty, 2001 Ford F-350 Super Duty, 2002 Ford F-250 Super Duty, 2002 Ford F-350 Super Duty, 2003 Ford F-250 Super Duty, 2003 Ford F-350 Super Duty, 2004 Ford F-250 Super Duty, 2004 Ford F-350 Super Duty, 2005 Ford F-250 Super Duty, 2005 Ford F-350 Super Duty, 2006 Ford F-250 Super Duty, 2006 Ford F-350 Super Duty, 2007 Ford F-250 Super Duty, 2007 Ford F-350 Super Duty, 2008 Ford F-250 Super Duty, 2008 Ford F-350 Super Duty, 2009 Ford F-250 Super Duty, 2009 Ford F-350 Super Duty, 2010 Ford F-250 Super Duty, 2010 Ford F-350 Super Duty, 2011 Ford F-250 Super Duty, 2011 Ford F-350 Super Duty, 2012 Ford F-250 Super Duty, 2012 Ford F-350 Super Duty, 2013 Ford F-250 Super Duty, 2013 Ford F-350 Super Duty, 2014 Ford F-250 Super Duty, 2014 Ford F-350 Super Duty, 2015 Ford F-250 Super Duty, 2015 Ford F-350 Super Duty, 2016 Ford F-250 Super Duty, 4S021, Automotive, Automotive Performance, BASE, CABELA'S, Direct Replacement, FX4, HARLEY-DAVIDSON EDITION, KING RANCH, LARIAT, Under-Seat Storage, Vehicle Specific, WeatherTech, XL, XLT ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 251.12 CAD | In stock | ## Images - WeatherTech 4S021 Black Under Seat Storage System for 1999-2016 Ford Multiple Models --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/weathertech-ford-under-seat-storage-4s021) > Updated: 2026-07-06