# Tuffy Underseat Lockbox Full Length W/ Combo Lock For Chevrolet Silverado & Gmc Sierra

This high security welded steel security lockbox mounts under the rear seat in 2007-2018 Chevy/GMC Crew Cab 1500 and 2007-2019 2500HD/3500HD trucks. The full width formfitting design of the Tuffy lockbox has over 3500 cubic inches of lockable storage. Its secured contents are easily accessed by flipping either or both rear seat(s) up and opening the corresponding lid(s). The unique design allows the full width to be used to stow firearms or other long items. Featuring Tuffy's Pry-Guard Locking System with three-digit combination security locks with built in weather seals. Chamfered corners are incorporated into the design for easier passenger access. The innovative mounting system is only accessed from inside the box. When additional floor space is needed the entire lockbox can be removed in seconds without the need for any tools.

-   No Drilling required. Fastens with original OEM hardware.
    
    This Part Fits:
    
    Year
    
    Make
    
    Model
    
    Submodel
    
    2016-2018
    
    Chevrolet
    
    Silverado 1500
    
    Custom
    
    2014-2018
    
    Chevrolet
    
    Silverado 1500
    
    High Country
    
    2009-2013
    
    Chevrolet
    
    Silverado 1500
    
    Hybrid
    
    2007-2013,2015-2018
    
    Chevrolet
    
    Silverado 1500
    
    LS
    
    2007-2018
    
    Chevrolet
    
    Silverado 1500
    
    LT
    
    2007-2018
    
    Chevrolet
    
    Silverado 1500
    
    LTZ
    
    2015-2018
    
    Chevrolet
    
    Silverado 1500
    
    SSV
    
    2007-2018
    
    Chevrolet
    
    Silverado 1500
    
    WT
    
    2010-2013
    
    Chevrolet
    
    Silverado 1500
    
    XFE
    
    2015-2019
    
    Chevrolet
    
    Silverado 2500 HD
    
    High Country
    
    2007-2019
    
    Chevrolet
    
    Silverado 2500 HD
    
    LT
    
    2007-2019
    
    Chevrolet
    
    Silverado 2500 HD
    
    LTZ
    
    2007-2019
    
    Chevrolet
    
    Silverado 2500 HD
    
    WT
    
    2015-2019
    
    Chevrolet
    
    Silverado 3500 HD
    
    High Country
    
    2007-2019
    
    Chevrolet
    
    Silverado 3500 HD
    
    LT
    
    2007-2019
    
    Chevrolet
    
    Silverado 3500 HD
    
    LTZ
    
    2007-2019
    
    Chevrolet
    
    Silverado 3500 HD
    
    WT
    
    2014-2018
    
    GMC
    
    Sierra 1500
    
    Base
    
    2007-2018
    
    GMC
    
    Sierra 1500
    
    Denali
    
    2009-2013
    
    GMC
    
    Sierra 1500
    
    Hybrid
    
    2007-2013
    
    GMC
    
    Sierra 1500
    
    SL
    
    2007-2018
    
    GMC
    
    Sierra 1500
    
    SLE
    
    2007-2018
    
    GMC
    
    Sierra 1500
    
    SLT
    
    2007-2013
    
    GMC
    
    Sierra 1500
    
    WT
    
    2010-2013
    
    GMC
    
    Sierra 1500
    
    XFE
    
    2015-2019
    
    GMC
    
    Sierra 2500 HD
    
    Base
    
    2011-2019
    
    GMC
    
    Sierra 2500 HD
    
    Denali
    
    2007-2019
    
    GMC
    
    Sierra 2500 HD
    
    SLE
    
    2007-2019
    
    GMC
    
    Sierra 2500 HD
    
    SLT
    
    2007-2014
    
    GMC
    
    Sierra 2500 HD
    
    WT
    
    2015-2019
    
    GMC
    
    Sierra 3500 HD
    
    Base
    
    2011-2019
    
    GMC
    
    Sierra 3500 HD
    
    Denali
    
    2007-2019
    
    GMC
    
    Sierra 3500 HD
    
    SLE
    
    2007-2019
    
    GMC
    
    Sierra 3500 HD
    
    SLT
    
    2007-2014
    
    GMC
    
    Sierra 3500 HD
    
    WT

## Details

- **Price:** 931.8 CAD
- **Vendor:** Tuffy Products
- **Type:** Cargo Boxes & Bags

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 931.80 CAD | In stock |

## Images

- Photo - Primary
- Photo - Close Up
- Photo - Close Up
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/tuffy-underseat-lockbox-full-length-w-combo-lock-for-chevrolet-silverado-gmc-sierra)
> Updated: 2026-07-08