Finding the right swing box for a truck bed helps maximize storage while keeping tools and gear secure and accessible. This guide reviews five top UnderCover SwingCase models that fit a range of popular trucks, from half-ton pickups to heavy-duty SKUs. Each product is evaluated for compatibility, ease of installation, and how well it integrates with different tonneau covers. Read on to compare features, durability, and practical benefits for daily use on the job site or weekend adventures.
| Product | Vehicle Fit | Side |
|---|---|---|
| SC203P Ford F-150 | 2015-2025 F-150 | Passenger |
| SC302D Dodge Ram | 2019-2025 Ram 1500/2500 | Drivers |
| SC203D Ford F-150 | 2015-2020 F-150 | Drivers |
| SC100D Chevy/GMC Silverado/Sierra 2500/3500 | 2007-2019 Silverado/Sierra 2500/3500 | Drivers |
| SC205P Silverado/Sierra 2500/3500 HD | 2017-2025 Silverado/Sierra 2500/3500HD | Passenger |
UnderCover SwingCase SC203P Ford F-150 Passenger Side

The SC203P is designed to fit 2015-2025 Ford F-150 models on the passenger side, offering a secure storage solution that works with most tonneau covers. Built in the USA with global materials, this model emphasizes compatibility with soft, hard, folding, and rolling bed covers, preserving a three-inch clearance from the truck bed. Its durable construction helps protect tools and gear from weather and theft, making it a practical choice for maintenance crews and DIY enthusiasts who need reliable, accessible storage right behind the cab.
Key considerations include proper alignment with the truck bed and the precise clearance required to avoid interference with cover mechanisms. Users should verify their tonneau setup (brand and model) to ensure full compatibility. The SC203P’s design prioritizes accessibility; its swing-out operation keeps items organized and easy to retrieve on demand. This model is particularly well-suited for those who frequently access stored items during workdays or on remote job sites.
UnderCover SwingCase SC302D Dodge Ram 1500/2500 Drivers Side

The SC302D is tailored for 2019-2025 Ram 1500/2500 trucks on the driver’s side, offering the same three-inch clearance and broad tonneau cover compatibility. The unit is made in the USA with global materials, reflecting a focus on rugged durability and long-term performance. Like other SwingCase models, it provides lockable, weather-resistant storage that remains accessible without removing the cover or compromising bed space. This makes it a strong option for contractors and outdoor enthusiasts who need secure, weatherproof storage adjacent to the cab area.
Installation considerations include ensuring the unit does not conflict with tailgates or tailgate accessories and confirming that your tonneau system leaves adequate space for the SwingCase lid to open. The SC302D is particularly appealing for Ram owners who require sturdy, side-mounted storage that can survive daily job-site use while continuing to offer straightforward access to tools and essentials.
UnderCover SwingCase SC203D Ford F-150 Drivers Side

The SC203D variant is designed for 2015-2020 Ford F-150 trucks on the driver’s side, offering the same three-inch clearance and tonneau cover compatibility highlighted in the broader SwingCase family. The model’s USA-made construction with global materials provides reliable durability for daily use in varied conditions. As with other SwingCases, it offers a secure, weatherproof storage solution that remains accessible with the bed cover in place, helping users keep tools organized and within easy reach.
Potential buyers should consider fitment with their specific F-150 bed configuration and verify that the new body style remains compatible with their tailgate and bed cover. The SC203D is well-suited for fleet operators and homeowners who want a consistent, rugged storage solution that integrates smoothly with their existing bed-cover setup while delivering dependable protection for stored items.
UnderCover SwingCase SC100D Chevy/GMC Silverado/Sierra 2500/3500HD Drivers Side

The SC100D targets heavy-duty pickups with 2007-2019 Silverado/Sierra 2500/3500HD configurations on the driver’s side. Made in the USA with global materials, it emphasizes compatibility with most tonneau covers, maintaining the three-inch clearance that helps prevent lid interference. For owners of heavy-duty trucks who require robust, weather-resistant storage near the cab, this model provides a practical solution for securing tools, maintenance equipment, or emergency supplies on demanding work sites.
Before purchasing, confirm whether the truck’s body style aligns with the “Legacy”/“New Body Style” design notes in the product’s specs, as variations can affect fit. The SC100D is a solid choice for those prioritizing compatibility with heavy-duty bed configurations while preserving easy access to stored items under cap covers.
UnderCover SwingCase SC205P Ford F-250/350 Super Duty

The SC205P is built for 2017-2025 Ford F-250/350 Super Duty models on the passenger side. It shares the three-inch clearance principle, enabling compatibility with a wide range of tonneau covers while delivering dependable, secure storage off the truck bed. This model addresses the needs of owners who require a sturdy, weather-resistant solution for storing tools and equipment in high-demand environments, such as construction sites or long-haul trucking scenarios.
As with other SwingCase iterations, ensure your bed cover configuration allows unhindered lid operation and verify any variations in the Super Duty bed with the product’s fit notes. The SC205P provides a durable, accessible storage option that accommodates larger tool kits and accessories without sacrificing bed functionality or security.
Buying Guide: Key Purchase Considerations And Comparisons
- Truck compatibility: SwingCase models come in variations tailored to specific makes, models, and bed configurations. Always verify the exact fit for your year, model, and bed style, including body style changes and tailgate configurations.
- Side vs passenger side: Depending on the bed layout and tonneau cover, you may prefer a passenger-side model for easier access from the curb or a driver-side option for quick reach while standing at the tailgate. Consider your typical workflow and parking orientation.
- Tonneau cover compatibility: A central feature of SwingCase is maintaining clearance with soft, hard, folding, or rolling covers. Check that your current cover type remains compatible and that the SwingCase lid can open without interference.
- Material and construction: Look for USA-made construction with global materials and corrosion-resistant finishes. Durability is essential for protecting contents against rain, mud, and dust on job sites or outdoor storage.
- Security and weather protection: A swing box should offer secure latching mechanisms and weather sealing to deter theft and keep contents dry. Consider lock options and internal organization features like dividers or trays if available.
- Installation and maintenance: Review the required mounting hardware and the ease of installation. Some models may require minor drilling or specific clamps, while others fit directly to the bed rails or existing bed cover mounts.
- Storage capacity vs accessibility: Balance the size of the storage box with how easily you can access items. A deeper box stores larger tools, but a shallow box can be quicker to reach during a workday.
- Vehicle impact and resale value: A swing box that fits well and lasts can maintain resale value and improve overall vehicle utility. Non-intrusive installation minimizes potential bed or tailgate damage.
- Warranty and support: Favor models backed by a solid warranty and accessible customer support for installation questions, parts, or replacements over time.
Overall, UnderCover SwingCase models provide a consistent approach to bed-side storage with varying fit options across common pickup configurations. Prospective buyers should methodically confirm fit, cover compatibility, and the layout of their truck’s bed to select the model that offers the best balance of accessibility, protection, and durability for their needs.