Finding the right swing box for a truck bed helps protect tools and gear while keeping items accessible from the side of the bed. This guide highlights five UnderCover SwingCase models that align with common truck-bed setups, including Ford F-150 and Chevy/GMC Silverado/Sierra configurations. Each option maintains a low profile, fits behind tonneau covers, and offers secure, organized storage. Below is a quick overview to help compare fitment and general compatibility.
| Product | Fitment | Notes |
|---|---|---|
| SC203P | Ford F-150 Passenger Side (2015-2025) | Includes Lightning peak; 3-inch clearance from bed |
| SC203D | Ford F-150 Driver Side (2015-2020) | New Body Style options; 3-inch clearance |
| SC100D | Chevy/GMC Silverado/Sierra 2500/3500HD Driver Side (2007-2019) | Legacy body style note; 3-inch clearance |
| SC105P | Chevy/GMC Silverado/Sierra 2500/3500HD Passenger Side (2020-2025) | 3-inch clearance; tonneau-compatible |
| SC105D | Chevy/GMC Silverado/Sierra 2500/3500HD Driver Side (2020-2025) | Not compatible with MultiPro Tailgate |
The five selected swing boxes share core traits: rugged construction, USA-made materials, and compatibility with most tonneau covers. They provide secure, weather-resistant storage that stays out of the way when loading or unloading cargo from the truck bed. By focusing on the most common bed configurations and side-mount placements, this article offers a practical starting point for buyers evaluating a swing box that maximizes bed space while preserving easy access.
UnderCover SwingCase SC203P — Ford F-150 Passenger Side
The SC203P is designed for 2015–2025 Ford F-150 models on the passenger side. It utilizes a three-inch clearance from the truck bed to accommodate a wide range of tonneau covers, including soft, hard, folding, and rolling styles. Manufactured in the USA with global materials, this SwingCase provides durable, weather-resistant storage for small-to-medium items and tools. Its fit and finish are optimized for quick access from the passenger side, making it convenient for daily work or weekend projects.
Features emphasize compatibility with most tonneau covers, stable mounting behind the bed rail, and a secure storage compartment that helps keep gear organized. The SC203P is a strong option for truck owners who want a side-mill storage solution without compromising bed space or cover operation.
UnderCover SwingCase SC203D — Ford F-150 Driver Side
The SC203D targets the 2019–2025 Dodge Ram 1500/2500 on the driver’s side in this listing, but the SC203-series design language is consistent across platforms. It is crafted to keep a 3-inch clearance from the bed and to work with virtually all tonneau covers. The model emphasizes USA-sourced manufacturing and global materials, with a durable, weather-resistant enclosure suitable for tools, cords, and outdoor gear. This swing box offers a dependable, side-mount storage solution for drivers who need frequent access from the cab side of the bed.
Note: The listing links for SC203D may reflect cross-compatibility messaging; verify fit for your specific vehicle before purchase. The core value remains a compact, secure side-mount storage unit that preserves bed accessibility and cover operation.
UnderCover SwingCase SC203D — Ford F-150 Driver Side (Black)
The SC203D variant for Ford F-150 on the driver’s side is designed with the same practical principles: a three-inch bed clearance, compatibility with most tonneau covers, and USA-based manufacturing practices using global materials. The black finish adds a low-profile appearance that blends with many truck bed aesthetics. This unit is geared toward users needing secure, side-mounted storage that remains accessible even when a tonneau cover is in place.
As with other SC203 families, emphasis is placed on reliable latching and weather resistance, making it a practical choice for contractors, hobbyists, and outdoor enthusiasts who store hand tools, cords, and small parts in the truck bed area.
UnderCover SwingCase SC100D — Silverado/Sierra Driver Side (2007-2019)
The SC100D is tailored for 2007–2019 Chevy/GMC Silverado/Sierra 2500/3500HD on the driver’s side. It features USA-made materials and a design that maintains a three-inch clearance to accommodate most tonneau covers. This model is particularly relevant for larger HD trucks where secure, weather-resistant storage is needed for heavy-duty tools and accessories. The note about body style variants is important for buyers to verify compatibility with the specific truck generation in use.
With its robust enclosure and side-mount access, the SC100D provides a practical balance of capacity and accessibility. It remains a solid choice for fleet or personal use where bed space needs protection against weather while enabling quick reach to stored items.
UnderCover SwingCase SC105P — Silverado/Sierra Passenger Side (2020-2025)
The SC105P is designed for 2020–2025 Silverado/Sierra 2500/3500HD on the passenger side. It maintains a three-inch clearance for compatibility with most tonneau covers and emphasizes USA-made components with global materials. This unit is well-suited for users who require secure, side-access storage that is easy to reach from the passenger side, especially when transporting tools, hardware, or outdoor gear that needs protection from the elements.
As with other SC105-series products, the design prioritizes durability and weather resistance, contributing to long-term reliability in demanding work environments. Its steel or reinforced plastic components are built to withstand daily use across a variety of truck configurations.
UnderCover SwingCase SC105D — Silverado/Sierra Driver Side (2020-2025)
The SC105D covers the driver-side application for 2020–2025 Silverado/Sierra 2500/3500HD. It shares the core 3-inch clearance principle, ensuring compatibility with a wide range of tonneau covers. The model is designed to deliver secure, weather-resistant storage for daily work gear while ensuring easy access from the driver’s side. The compatibility note about MultiPro Tailgate alerts buyers to specific tailgate configurations to avoid fit issues.
Overall, the SC105D provides a dependable, side-mount option where access from the driver’s side is preferred, and it supports efficient organization of tools and supplies for heavy-duty pickups.
Buying Guide: Key Considerations For Choosing A Swing Box For A Truck Bed
When selecting a swing box, consider fitment, durability, and how the unit interacts with your tonneau cover and tailgate configuration. Here are important factors to weigh from multiple perspectives:
- Vehicle compatibility: Confirm the swing box model matches your truck’s make, model year, and side (driver vs. passenger). Pay attention to body style notes and tailgate configurations (such as MultiPro) that can affect fitment.
- Bed clearance and cover compatibility: A three-inch bed clearance is common, but verify that your tonneau cover remains operable with the SwingCase installed. Ensure you can open or close the cover without interference.
- Material and build quality: Look for USA-made components with robust, weather-resistant enclosures. Consider rust resistance, seal quality, and latch reliability for long-term use.
- Storage capacity and organization: Evaluate internal space, divider options, and accessibility. Decide if you need larger compartments for tools or smaller pockets for fasteners and cables.
- Ease of installation and removal: Some units are designed for quick mounting behind the bed rail with minimal drilling. If you anticipate seasonal swaps or truck-sharing, a removable model may be advantageous.
- Compatibility with other bed accessories: Ensure the unit does not conflict with bed lighting, bed rails, bed extenders, or bed-mounted storage systems you already use.
- Maintenance and weather sealing: Consider how easy it is to clean, drain, and dry after exposure to rain or mud. A sealed lid helps protect contents from the elements.
- Warranty and support: Check manufacturer warranties and available support resources. A solid warranty can be valuable for premium, high-use applications.
- Price vs. value: Compare the price against capacity, material quality, and longevity. A slightly higher upfront cost may translate to longer service life and better protection for stored gear.