• Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD - Stateside Performance - Tool Storage - Husky Liners - Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD
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HSL09041

Husky Liners

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2019 GMC Sierra 2500HD

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

In stock

The Husky Liners Under Seat GearBox fits the 2015-2019 GMC Sierra 2500HD Extended Cab and adds a lockable, molded storage box under the rear seat.

Keep tools, gear, and valuables hidden and organized without losing cabin space.

Install Difficulty: DIY
Mounts under the rear seat using factory space with no drilling required; typically installs in 15-30 minutes with basic hand tools.

Product Overview

The GearBox is a durable molded storage bin that mounts under the rear seat of your Extended Cab Sierra 2500HD. It keeps loose gear from sliding around and hides items out of sight.

Designed to fit the factory under-seat area, it installs without cutting or drilling. The rugged build stands up to daily jobsite and worksite use.

Features & Specifications

  • Fits: 2015-2019 GMC Sierra 2500HD
  • Fits Extended Cab configuration only
  • Can Be Used With All 2Nd Seat Floor Liner Products
  • Mounts under the rear seat
  • Lockable lid keeps valuables out of sight
  • Durable molded construction
  • No-drill install using factory space
  • Keeps loose gear organized and secure

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2015-2019 GMC Sierra 2500 HD Base
2015-2019 GMC Sierra 2500 HD SLE
2015-2019 GMC Sierra 2500 HD SLT
⚠ 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