• Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD
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HSL09011

Husky Liners

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2007-2013 GMC Sierra 3500HD

$169.99 USD
$169.99 USD
Sale Sold out
Shipping calculated at checkout.

Special order — lead time varies.

Final sale — not eligible for return or exchange

Special-order part. Please confirm fitment before ordering. Return policy

The Husky Liners GearBox fits the 2007-2013 GMC Sierra 3500HD Extended Cab and provides 68.5in of durable under-seat storage to keep gear organized and out of sight.

Install Difficulty: DIY
Installs under the rear seat using existing cab space; typically installs in 15-20 minutes with no tools required.

Product Overview

The Husky GearBox is a full-width under-rear-seat storage system designed to lock in tools, gear, and everyday items so they stop sliding around the cab.

At 68.5in wide, it spans the rear floor of the Extended Cab and gives you a clean, hidden spot for anything you'd rather not leave loose in the truck.

Features & Specifications

  • Fits: 2007-2013 GMC Sierra 3500HD
  • Fits Extended Cab configuration only
  • 68.5in wide under-rear-seat storage system
  • Durable construction stands up to daily truck use
  • Keeps gear organized and hidden from view
  • Prevents loose items from sliding around the cab

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2007-2013 GMC Sierra 3500 HD SLE
2007-2013 GMC Sierra 3500 HD SLT
2007-2013 GMC Sierra 3500 HD WT
⚠ Submodel Fitment: If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.

Shipping & Returns

Tracking is typically provided within 3–5 business days; items shipping direct from the manufacturer may take 5–7. Some items are made to order or may be backordered. Questions about stock? Reach us through live chat or email.

Warranty

All warranties are through the manufacturer and are facilitated by Stateside Performance. Some manufacturers require the end user to contact them directly; in that case we will point you to the right contact. Email us with any warranty questions.

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  • Free shipping over $250

    Free shipping applies to items that are shipped via ground through UPS or FedEx and are over $250 going to the continental 48 states. This does not apply to Alaska or Hawaii, and does not apply to any item(s) that are shipped via freight or with any other option other than ground shipping.

    Shipping policy 

  • 30-day returns

    Returns must be requested within 30 days of delivery. Parts must be new, unused, uninstalled, and in original packaging, with an RMA. Some items are final sale.

    Return policy