• Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
  • Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD
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HSL09041

Husky Liners

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD

Husky Liners GearBox Extended Cab Under Seat Storage Box | 2015-2018 GMC Sierra 3500HD

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

The Husky Liners GearBox Under Seat Storage Box fits the 2015-2018 GMC Sierra 3500HD Extended Cab and gives you a secure, hidden spot to organize tools, gear, and valuables beneath the rear bench.

Install Difficulty: DIY
Bolts under the rear bench seat using factory mounting points with hand tools; typically installs in 20-30 minutes.

Product Overview

This under-seat storage box mounts below the rear bench of your Extended Cab and turns dead space into a lockable, organized compartment.

The durable construction keeps contents from sliding around on the trail or jobsite. Ideal for tools, recovery gear, paperwork, and anything you want out of sight.

Features & Specifications

  • Fits: 2015-2018 GMC Sierra 3500HD
  • Fits Extended Cab configuration only
  • Can Be Used With All 2Nd Seat Floor Liner Products
  • Mounts under the rear bench seat
  • Keeps gear organized and out of sight
  • Durable Husky Liners construction
  • Hidden storage for tools and valuables
  • Bolt-in install, no cutting required

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2015-2018 GMC Sierra 3500 HD Base
2015-2018 GMC Sierra 3500 HD SLE
2015-2018 GMC Sierra 3500 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

Products that are in stock ship within 1-3 business days of being ordered. Please note some items are made to order, or could be out of stock. If you have any questions regarding stock please contact us through the live chat or email and we would be happy to help

Warranty Info

All warranties are through the manufacturer, they will be facilitated by State Side Performance (some manufacturers require the end user contact the manufacturer directly to facilitate the warranty, in that case we will recommend you contact the manufacturer. Please contact us by Email if you have any questions or concerns regarding a warranty claim.

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  • Free Shipping for Non Oversize Items of $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.

    More info on shipping policy 

  • Return Policy

    Returns must be UNOPENED, UNUSED, HAVE ALL ORIGINAL PACKAGING, BE IN NEW CONDITION, HAVE A VALID RMA, BE WITHIN A 30 DAY RETURN WINDOW FROM THE DATE OF PURCHASE.

    More info on refund and return policy