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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Welcome to Atlus Automotive
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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Truck Boxes & Storage
Hard-working trucks need hard-working storage. Whether you're securing job-site tools, recovery gear, or camping supplies, a well-chosen truck box keeps your cargo organized, weather-protected, and out of sight. Our truck boxes and storage collection includes cross-bed (saddle) boxes, chest (deck) boxes, wheel well boxes, and underbody boxes built to handle daily demands.
What to look for when choosing a truck box:
- Material: Aluminum (light, rust-free), steel (tough, weldable), or polymer (corrosion-proof) — each offers different weight, durability, and price points.
- Mounting style: Cross-bed boxes sit on the bed rails, chest boxes mount to the bed floor, and wheel well boxes tuck over the fender humps. Make sure the box is compatible with your truck's bed dimensions and any bed liner or cover you run.
- Security: Look for locking mechanisms, a reinforced lid, and pry-resistant design. Many boxes accept padlocks for extra peace of mind.
- Weather resistance: Gasketed lids and weather stripping help keep rain, snow, and dust out. If you haul expensive gear, choose a box with a tight seal.
Browse our full range to find the right truck box for your pickup, from simple underbody lockers to full-size cross-bed toolboxes.
38 products
38 products
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Fits 1999-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models.
The UnderCover SwingCase is a highly versatile truck bed storage solution designed to maximize utility without occupying the floor space required for large cargo. Custom-fitted for the passenger side, this box tucks neatly into the corner of the bed. By pulling the quick-release lever, the case pivots 180 degrees over the tailgate for immediate access to tools, gear, or supplies, eliminating the need to climb into the bed or reach over the bedside.
Constructed from lightweight yet high-impact ABS plastic, the SwingCase is built to withstand heavy use while maintaining a weatherproof seal. It is engineered to work seamlessly with all tonneau covers and features a lockable lid to keep your equipment secure. With a 75-pound load capacity and an included organizational tray, it provides rugged, secure storage for work or recreation.
- Manufacturer Part Number: SC104P
- Position: Passenger Side
- Material: High-impact ABS plastic with a black smooth finish
- Load Capacity: 75 lbs
- Access: 180-degree swing-out motion via quick-release latch
- Weather Resistance: Moisture seal keeps contents dry and protected
- Security: Lockable lid and padlock-ready mounting bracket
- Compatibility: Designed to work with all tonneau covers
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2026 | Chevrolet | Silverado 1500 | Custom |
| 2019-2026 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | High Country |
| 2019-2026 | Chevrolet | Silverado 1500 | LT |
| 2019-2026 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | LTZ |
| 2023-2026 | Chevrolet | Silverado 1500 | PPV |
| 2019-2026 | Chevrolet | Silverado 1500 | RST |
| 2019-2021 | Chevrolet | Silverado 1500 | SSV |
| 2019-2026 | Chevrolet | Silverado 1500 | WT |
| 2022-2026 | Chevrolet | Silverado 1500 | ZR2 |
| 2019 | Chevrolet | Silverado 1500 LD | Custom |
| 2019 | Chevrolet | Silverado 1500 LD | LT |
| 2019 | Chevrolet | Silverado 1500 LD | WT |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | High Country |
| 2022 | Chevrolet | Silverado 1500 LTD | LT |
| 2022 | Chevrolet | Silverado 1500 LTD | LT Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | LTZ |
| 2022 | Chevrolet | Silverado 1500 LTD | RST |
| 2022 | Chevrolet | Silverado 1500 LTD | SSV |
| 2022 | Chevrolet | Silverado 1500 LTD | WT |
| 2019-2026 | GMC | Sierra 1500 | AT4 |
| 2022-2026 | GMC | Sierra 1500 | AT4X |
| 2002-2005,2014-2021 | GMC | Sierra 1500 | Base |
| 2002-2026 | GMC | Sierra 1500 | Denali |
| 2022-2026 | GMC | Sierra 1500 | Denali Ultimate |
| 2019-2026 | GMC | Sierra 1500 | Elevation |
| 2002 | GMC | Sierra 1500 | HT |
| 2005-2006,2009-2013 | GMC | Sierra 1500 | Hybrid |
| 2022-2026 | GMC | Sierra 1500 | Pro |
| 1999-2003,2006-2013 | GMC | Sierra 1500 | SL |
| 1999-2026 | GMC | Sierra 1500 | SLE |
| 1999-2026 | GMC | Sierra 1500 | SLT |
| 2002-2013 | GMC | Sierra 1500 | WT |
| 2010-2013 | GMC | Sierra 1500 | XFE |
| 2022 | GMC | Sierra 1500 Limited | AT4 |
| 2019 | GMC | Sierra 1500 Limited | Base |
| 2022 | GMC | Sierra 1500 Limited | Denali |
| 2022 | GMC | Sierra 1500 Limited | Elevation |
| 2022 | GMC | Sierra 1500 Limited | Pro |
| 2019,2022 | GMC | Sierra 1500 Limited | SLE |
| 2022 | GMC | Sierra 1500 Limited | SLT |
Fits select 2007-2019 Chevrolet Silverado and GMC Sierra 1500, 2500 HD, and 3500 HD models (including Silverado LD and Sierra Limited).
Maximize the utility of your truck bed with the UnderCover SwingCase (SC100P). This innovative storage solution utilizes the often-wasted space behind the wheel well, providing a secure, weather-resistant compartment that swings out 180 degrees toward the tailgate. This eliminates the need to climb into the bed or reach over the bedside to access your tools, recovery gear, or groceries.
Constructed from lightweight, high-impact ABS plastic, the SwingCase is engineered for durability in harsh environments. A moisture seal protects your contents from the elements, while the lockable lid ensures your gear remains secure. The unit features a quick-release latch for easy removal when you need full bed access and is designed to work seamlessly with all tonneau covers.
- Mounting Side: Passenger (Right) Side
- Material: High-impact ABS Plastic
- Finish: Smooth Black
- Weight Capacity: 75 lbs
- Rotation: 180-degree swing for tailgate access
- Lockable lid for secure storage
- Integrated moisture seal keeps gear dry
- Includes mounting hardware and instructions
- Manufacturer Part Number: SC100P
📘 Guides & Manuals
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | Chevrolet | Silverado 1500 | Custom |
| 2014-2018 | Chevrolet | Silverado 1500 | High Country |
| 2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 2007-2013,2015-2018 | Chevrolet | Silverado 1500 | LS |
| 2007-2018 | Chevrolet | Silverado 1500 | LT |
| 2007-2018 | Chevrolet | Silverado 1500 | LTZ |
| 2015-2018 | Chevrolet | Silverado 1500 | SSV |
| 2007-2018 | Chevrolet | Silverado 1500 | WT |
| 2010-2013 | Chevrolet | Silverado 1500 | XFE |
| 2019 | Chevrolet | Silverado 1500 LD | Custom |
| 2019 | Chevrolet | Silverado 1500 LD | LT |
| 2019 | Chevrolet | Silverado 1500 LD | WT |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2007-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2007-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2014-2018 | GMC | Sierra 1500 | Base |
| 2007-2018 | GMC | Sierra 1500 | Denali |
| 2009-2013 | GMC | Sierra 1500 | Hybrid |
| 2007-2013 | GMC | Sierra 1500 | SL |
| 2007-2018 | GMC | Sierra 1500 | SLE |
| 2007-2018 | GMC | Sierra 1500 | SLT |
| 2007-2013 | GMC | Sierra 1500 | WT |
| 2010-2013 | GMC | Sierra 1500 | XFE |
| 2019 | GMC | Sierra 1500 Limited | Base |
| 2019 | GMC | Sierra 1500 Limited | SLE |
| 2015-2019 | GMC | Sierra 2500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2007-2019 | GMC | Sierra 2500 HD | SLE |
| 2007-2019 | GMC | Sierra 2500 HD | SLT |
| 2007-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2019 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2007-2019 | GMC | Sierra 3500 HD | SLE |
| 2007-2019 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
$751.84
The Tradesman 9460T Aluminum Flush Mount Truck Tool Box provides secure, low-profile storage for your truck bed. Engineered to sit level with or below the bed rails, this 60-inch box maintains an unobstructed rear view and allows for easy compatibility with many bed accessories. This box is ideal for professionals and enthusiasts who need reliable tool organization without the bulk of a standard cross-over design.
Constructed from heavy-duty diamond plate aluminum, the 9460T is built to withstand harsh weather and rigorous job site use. The Brite finish offers a polished look while providing excellent corrosion resistance. The integrated weather seal helps prevent moisture and debris from entering the main compartment, keeping your equipment clean and dry.
- Manufacturer Part Number: 9460T
- Width: 60 inches
- Material: Heavy-duty diamond plate aluminum
- Finish: Polished Brite finish
- Mounting Type: Flush mount (sits below truck bed rails)
- Design: Low-profile for maximum rear-view visibility
$873.16
The Tradesman Aluminum Top Mount L-Wing Box (8172T) provides secure, weather-resistant storage for your truck bed while maintaining maximum floor space. This 72-inch box mounts directly to the top of the bed rails, utilizing a specialized L-wing design that allows for easy access to tools and equipment from the side of the vehicle.
Constructed from heavy-duty aluminum with a Brite diamond plate finish, this tool box is engineered to withstand harsh weather conditions and resist corrosion over years of service. The top-mount configuration is the preferred choice for professionals who need frequent access to gear without having to climb into the truck bed.
- Dimensions: 72-inch length
- Material: Heavy-duty aluminum construction
- Finish: Polished Brite diamond plate
- Mounting Style: Top-mount L-wing design
- Part Number: 8172T
$602.60
The Tradesman 79748 is a 48-inch side bin truck tool box engineered to provide accessible and secure storage along the bed rails of your pickup. Constructed from lightweight yet durable aluminum, this side bin is designed to withstand the elements while keeping your essential tools organized and within reach from the side of the vehicle.
- Mounts securely to the bed rail for easy access without reaching into the truck bed
- Heavy-duty aluminum construction provides long-lasting durability and corrosion resistance
- Sleek black finish protects the material and complements your truck's exterior
- 48-inch length offers significant storage volume for hand tools, straps, and equipment
- Manufacturer Part Number: 79748
$807.12
The Tradesman 79456 is a 56-inch flush mount truck tool box engineered for professional-grade storage and an unobstructed rear view. This low-profile box is designed to sit level with your truck bed rails, providing secure storage for tools and equipment without hindering visibility. The aluminum construction ensures high strength and natural corrosion resistance, coated in a durable black finish for a sleek, integrated look.
- Flush mount design provides a low-profile installation that stays out of the driver's line of sight
- Heavy-duty aluminum construction provides long-lasting durability and corrosion protection
- Tough black finish resists scratches and maintains a clean aesthetic
- Secure locking mechanism protects contents from theft and unauthorized access
- Manufacturer Part Number: 79456
- Size: 56 inches
$963.21
The Tradesman 73750 Steel Vertical Liquid Storage Tank is designed for professional-grade liquid transport while maintaining maximum bed utility in full-size and mid-size trucks. Its slim vertical profile is engineered to sit flush against the bulkhead or side rails, preserving valuable floor space for other tools and equipment.
- Heavy-duty steel construction provides superior durability and structural integrity for transport
- Space-saving vertical design specifically sized for full and mid-size truck applications
- Corrosion-resistant black finish protects against the elements and site debris
- Internal baffles help manage liquid movement during transit for improved stability
- Manufacturer Part Number: 73750
$810.09
The Tradesman Economy Series 70-inch Low-Profile Cross Bed Tool Box provides secure, weather-resistant storage for your pickup without compromising your rear-view visibility. Constructed from lightweight yet durable aluminum and finished in a sleek black coating, this box is designed to withstand the elements while keeping your tools organized and accessible.
- Low-Profile Design: Sits lower on the bed rails to ensure an unobstructed view through the rear window.
- Durable Construction: Manufactured from corrosion-resistant aluminum for long-term service in harsh environments.
- Cross-Bed Mounting: Suspends from the bed rails, leaving the truck bed floor open for longer items.
- Finish: Protective black coating adds an extra layer of durability and matches modern truck trim.
- MPN: 7111001LP
- Dimensions: 70-inch width fits most full-size truck beds.
Can’t Find the Part You Need?
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