Extended Cab Floor Mats for Silverado & Sierra (2014-2019)
- Double (extended) cab Silverado and Sierra, including High Country, Denali, and SSV applications
- Silverado 1500 and Sierra 1500 2014-2018; 2500 HD and 3500 HD through 2019 by model
- Not for full-length flow-through consoles, floor 4x4 shifters, or vinyl flooring
- Trimming may be needed around aftermarket under-seat storage
- Limited Lifetime Warranty; shipping weight 15 lb
The Trail Fortress check
Will it fit your truck?
✓ Fits
+ 2 more applications
✕ Does not fit
- Vehicles with full-length/flow-through console Does NOT fit vehicles with manual 4x4 Shifter on the floor Does NOT fit vehicles with vinyl flooring May require trimming if installing in vehicle with aftermarket under seat storage
About this part
Extended Cab Floor Mats, fitment-checked
M-21143 fits double (extended) cab GM trucks: Silverado 1500 2014-2018 in Custom through High Country and SSV, Silverado 2500 HD 2015-2019, Silverado 3500 HD 2015-2018, and Sierra 1500, 2500 HD, and 3500 HD in Base, SLE, SLT, and Denali. Full-length consoles, floor 4x4 shifters, and vinyl flooring are out.
Trim coverage runs deep on this application — Silverado 1500 from WT and LS all the way to High Country, plus the SSV fleet package, for 2014-2018, with Silverado 2500 HD carried through 2019 and 3500 HD through 2018. On the GMC side it takes in Sierra 1500 from 2014-2018 and Sierra 2500 HD and 3500 HD in Base, SLE, SLT, and Denali trim. Double (extended) cab only. Trucks with a full-length flow-through console, a floor-mounted manual 4x4 shifter, or vinyl flooring are outside the fitment, and aftermarket under-seat storage may require trimming. Shipping weight: 15 lb.
Specifications
Specs
| Brand | Rough Country |
| Part number | M-21143 |
| UPC / GTIN | 00843030123291 |
| Shipping weight | 15 lb |
| Warranty | Limited Lifetime Warranty |
| Country of origin | TH |
| Category | Interior › Floor Mats & Liners |
| Installation guide | Downloadable PDF |
Why buy here