UnderCover Swing Case Truck Bed Toolbox: Honest Review

Choosing an undercover swing case truck bed toolbox comes down to matching your specific truck’s make, model year, and side of the bed. Every case shares the same core swing-out design and 75-pound capacity, so your vehicle’s fitment details are what truly separate these options.

Best overall: UnderCover SwingCase SC203P fits modern F-150 trucks, swinging out nearly 180 degrees while holding up to 75 pounds. Best for Ram Trucks: UnderCover SwingCase SC302D gives new-body Ram owners driver-side bed storage with a tight moisture seal. Best for GM Heavy-Duty: RealTruck UnderCover SwingCase SC105P mounts cleanly on passenger sides for recent heavy-duty Silverado and Sierra beds.

The rest of this guide is for truck owners who need secure, weather-resistant bed storage that won’t block everyday cargo room.

How We Picked

To make our final cut, each listing had to clearly state exact vehicle fitment, cargo weight limits, included parts like mounting brackets and organization trays, and official warranty terms. We cut options with vague truck fitment details or missing mounting specifications because bed clearance issues can ruin an installation.

1. RealTruck UnderCover SwingCase Truck Bed Storage Box

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Best for: Ford F-150 and Lightning truck owners

The UnderCover SwingCase SC203P mounts on the passenger side of Ford F-150 trucks from 2015 through 2025, including the Lightning model. It pulls out nearly 180 degrees over your dropped tailgate, which means you won’t have to climb into the bed just to grab a tow strap or hand tool. When it’s latched over the wheel well, it leaves three inches of clearance beneath the box to preserve flat floor space.

Pros: – Swings out nearly 180 degrees – Works with most tonneau covers – Holds 75 pounds of cargo

Cons: – Only fits F-150 passenger side – Restricts passenger-side bed wall access

2. RealTruck UnderCover SwingCase Truck Bed Storage Box

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Best for: Modern Ram 1500 and 2500 drivers

The UnderCover SwingCase SC302D is built specifically for the driver side of new body style 2019 to 2025 Ram 1500 and 2500 trucks. It swings out toward the rear for quick access to tie-downs or emergency gear right from the tailgate. The internal organizational tray stops smaller parts like sockets or fuses from sliding around at the bottom of the tub.

The unit requires no special tools for installation, making setup simple on your truck’s bed wall. However, this driver-side mount isn’t for classic body style Rams or trucks carrying wide cargo that uses full wall width. A one-year guarantee supports the box if any factory defect pops up during regular use.

Pros: – Includes internal small-item organizer tray – Installs without using special tools – Retains three-inch lower bed clearance

Cons: – Fits driver side only – Excludes classic body style Rams

3. RealTruck UnderCover SwingCase Truck Bed Storage Box

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Best for: Chevy and GMC heavy-duty owners

The RealTruck UnderCover SwingCase SC105P mounts inside the passenger side of 2020 through 2025 Chevy Silverado and GMC Sierra 2500 and 3500HD pickups. Rated for up to 75 pounds of gear, it holds hitch balls, chains, and recovery straps without bowing the bracket. It swings smoothly over the tailgate so you don’t have to reach over high heavy-duty bed sides.

The three-inch bed clearance means sheet goods like plywood can still slide flat underneath the case. It is engineered specifically for 2020 through 2025 GM heavy-duty beds. It’s backed by UnderCover’s US-based customer support team if you run into hardware questions.

Pros: – Maintains elevated bed clearance – Sturdy cargo weight capacity – Built with weather-resistant moisture seal

Cons: – HD truck bed fit only – Dedicated passenger side orientation only

4. RealTruck Undercover SwingCase Truck Bed Storage Box

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Best for: Standard 2023-2025 Toyota Tundra beds

The RealTruck UnderCover SwingCase SC404D is shaped for the driver side of 2023 to 2025 Toyota Tundra trucks without factory Trail Edition boxes. It swings outward nearly 180 degrees toward you, so you can grab items while standing comfortably on the ground. Its key-lockable lid keeps your cargo secure whenever you park in public lots without a tonneau cover.

The box works cleanly alongside soft, hard, folding, or rolling tonneau covers thanks to its low-profile mount. It isn’t for Tundra owners whose trucks came equipped with factory Trail Edition storage boxes. The built-in moisture seal helps keep dust and road spray off your tools.

Pros: – Swings outward over dropped tailgate – Key-lockable lid secures valuable tools – Works with virtually all covers

Cons: – Incompatible with Trail Edition boxes – Driver side specific mounting bracket

5. RealTruck Undercover SwingCase Truck Bed Storage Box

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Best for: 2020-2025 Jeep Gladiator pickup owners

The RealTruck UnderCover SwingCase SC304D brings dedicated driver-side storage to the compact bed of 2020 to 2025 Jeep Gladiators. Gladiator beds are relatively short, so tucking your heavy gear over the wheel well keeps the central floor open for outdoor luggage. Pulling the release latch lets the case swing out past the tailgate for effortless trailside access.

The box is made in the USA with global materials and includes a one-year guarantee. A removable internal tray keeps smaller items from getting buried under bulky straps.

Pros: – Keeps compact Gladiator beds organized – Locks shut over wheel well – Protected against rain and dirt

Cons: – Fills driver-side bed corner – Moderate payload capacity

6. RealTruck UnderCover SwingCase Truck Bed Storage Box

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Best for: Second and third-gen Tacoma owners

The UnderCover SwingCase SC401D fits 2005 through 2023 Toyota Tacoma trucks on the driver side, including 2019 to 2023 models with factory storage boxes. Its integrated lock keeps equipment safe, while a tight seal locks out moisture during bad weather.

Because it sits over the driver wheel well, it leaves enough clearance underneath for carrying longer materials across the bed floor. This model isn’t built for redesigned 2024 or newer Tacomas, so newer truck owners will need a different bracket. Simple installation requires no special tools to secure the bracket.

Pros: – Fits factory storage box models – Smooth 180-degree swing path – Sturdy lockable weather-sealed lid

Cons: – Stops at 2023 Tacoma models – Single-side driver layout only

7. RealTruck Undercover SwingCase Truck Bed Storage Box

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Best for: Compact Ford Maverick truck beds

The RealTruck UnderCover SwingCase SC207D mounts directly to the driver side of 2023 to 2025 Ford Maverick compact pickups. In a small truck bed, floor space disappears fast, so mounting storage over the wheel well saves valuable square footage. It swings out toward the tailgate so you don’t have to reach across the low sidewalls.

The case holds a substantial load of tools, hitch accessories, or washing gear, keeping the cabin clutter-free. It won’t suit Maverick drivers who frequently carry oversized ATVs or wide cargo that rubs against the wheel arches. The assembly comes with a removable organizer tray to keep hand tools neatly arranged.

Pros: – Maximizes smaller Maverick bed space – Swings 180 degrees for reach – Keyed lock protects stored items

Cons: – Driver-side installation only – Narrows rear cargo loading clearance

8. RealTruck UnderCover Swingcase Truck Bed Storage Box

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Best for: 2019-2022 Ford Ranger pickups

The UnderCover SwingCase SC206P attaches to the passenger side of 2019 through 2022 Ford Ranger midsize trucks. It features a key-lockable lid that seals tight against rain, snow, and dust, protecting hand tools throughout every season. A quick pull swings the box out 180 degrees over your tailgate for easy, back-friendly unloading.

The box maintains a three-inch lift above the floor, letting thin lumber or pipes slip underneath without interference. It is designed specifically for 2019 through 2022 Ranger models. Installation requires no special tools, and UnderCover backs the hardware with a one-year guarantee.

Pros: – Works alongside folding tonneau covers – Easy swing-out tailgate accessibility – Removable organizer tray included inside

Cons: – Doesn’t fit 2023+ Rangers – Limited to passenger-side installation

How to Choose in Sixty Seconds

Which side of the truck bed should I choose?

Pick the side that matches how you load and use your pickup daily. Driver-side boxes let you grab items quickly without walking around the vehicle, which helps during roadside stops. Passenger-side boxes keep you safe on the sidewalk side when parking along busy streets, away from passing traffic.

Will this case clear my existing tonneau cover?

Yes, the SwingCase sits beneath the bed rails and leaves plenty of open clearance below the box. It works with soft, hard, folding, and rolling covers without hitting the mounting hardware.

How do I confirm the exact fit for my truck?

Check your truck’s model year, cab size, and bed trim options against the listing description. Some versions don’t work with special edition liners, factory storage boxes, or multi-function tailgates. Matching the exact model code prevents hardware alignment problems during installation on your truck’s inner bed wall.

UnderCover SwingCase SC203P remains our top recommendation for Ford F-150 trucks, while UnderCover SwingCase SC302D is the right match for Ram pickups. Check your truck’s model year, pick driver or passenger side, and verify your bed sidewall trim before ordering.

FAQs About Best UnderCover Swing Case Truck Bed Toolbox

Does the box interfere with hauling plywood or drywall?

The box sits elevated above the truck bed floor, helping preserve bed floor space. When latched over the wheel arches, the toolbox sits tucked into otherwise wasted space. You can also swing it open when loading bulky cargo.