• Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500 - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500
1 8

HSL09041

Husky Liners

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2014-2018 GMC Sierra 1500

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

In stock

The Husky Liners GearBox Under Seat Storage Box fits the 2014-2018 GMC Sierra 1500 Extended Cab and turns wasted under-seat space into a lockable, organized cargo bin.

Install Difficulty: DIY
Mounts under the rear seat using included hardware and hand tools; typically installs in 15-30 minutes.

Product Overview

The GearBox is a molded under-seat storage box that installs behind the rear seat area of Extended Cab trucks. It keeps tools, recovery gear, and small items from sliding around the cab floor.

Built from durable, impact-resistant material, it stands up to daily use and heavy loads. The vehicle-specific fit means no drilling and no lost cargo space.

Features & Specifications

  • Fits: 2014-2018 GMC Sierra 1500
  • Fits Extended Cab configuration only
  • Can Be Used With All 2Nd Seat Floor Liner Products
  • Mounts under the rear seat, out of sight
  • Durable impact-resistant construction
  • Keeps gear organized and secure
  • Vehicle-specific molded fit
  • No drilling required

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2014-2018 GMC Sierra 1500 Base
2014-2018 GMC Sierra 1500 SLE
2014-2018 GMC Sierra 1500 SLT
2019 GMC Sierra 1500 Limited Base
2019 GMC Sierra 1500 Limited SLE
⚠ 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.

View full details

  • 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