

Take your truck’s interior organization to the next level with the Du-Ha 10400 Under Seat Storage Unit—designed for Chevrolet Silverado and GMC Sierra owners who value secure, concealed, and professional-grade storage. This rugged, roto-molded polyethylene storage box fits seamlessly beneath the rear seat and offers ample space for your tools, firearms, and other valuable gear.
The Du-Ha 10400 introduces an upgraded design with removable dividers/gun racks that accommodate up to 3 shotguns or rifles, including one with a scope—qualifying as a legal gun case in most states. The padded floor made from EPE (expanded polyethylene) provides an extra layer of protection for your gear, helping to prevent scratches, damage, or shifting during transit.
With two large compartments, customizable storage, and tool-free installation, this unit delivers practical functionality without compromising on style. Whether you're a contractor, sportsman, or everyday driver, the Du-Ha 10400 makes staying organized effortless and professional.
Key Features:
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Custom Fit for 2019–2025 Chevrolet Silverado & GMC Sierra models (1500, 2500 HD, 3500 HD).
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Durable Roto-Molded Polyethylene Construction – Built to last with a factory-style look.
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Padded EPE Floor – Enhanced protection to prevent gear damage and slippage.
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Divider/Gun Rack System – Holds up to 3 firearms, including scoped rifles.
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Versatile Storage – Two large compartments with removable dividers.
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Hidden and Secure – Stores gear out of sight while blending with interior.
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Tool-Free Installation – Includes fasteners; no tools required.
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Made in the USA – Trusted quality and craftsmanship.
Specifications:
Feature | Details |
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Location | Under Rear Seat |
Material | Roto-Molded Polyethylene with EPE Padded Floor |
Color | Dark Gray |
Compartments | 2 Large Compartments with Removable Dividers |
Gun Rack Capacity | Up to 3 (1 with Scope) |
Lockable | No |
Mounting Hardware | Included |
Made In | USA |
Why Choose the Du-Ha 10400?
Whether you need to transport firearms legally, store tools safely, or simply want a clutter-free truck interior, the Du-Ha 10400 is your go-to under-seat storage solution. Its premium build quality, custom-fit design, and protective padding ensure your valuables stay secure and protected—wherever the road takes you.

SIZE | CHEST(in.) | WAIST(in.) | HIPS(in.) |
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XS | 34-36 | 27-29 | 34.5-36.5 |
S | 36-38 | 29-31 | 36.5-38.5 |
M | 38-40 | 31-33 | 38.5-40.5 |
L | 40-42 | 33-36 | 40.5-43.5 |
XL | 42-45 | 36-40 | 43.5-47.5 |
XXL | 45-48 | 40-44 | 47.5-51.5 |
Weight | 23 kg |
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Dimensions | 12 × 24 × 35 cm |
Color | Black, Green, Indigo |
Size | Large, Medium, Small |
Excellent.