Unruli DEFENDER Box and Tonneau System (15-19 Silverado 3500 HD)Find parts that fit my vehicle

Secure Storage and Bed Protection. The Unruli DEFENDER Box and Tonneau System offers the perfect combination of utility and protection for your 2015-2019 Chevrolet Silverado 3500 HD. This all-in-one setup provides secure, weather-resistant storage along with the added benefits of a soft tonneau cover, making it ideal for both work and everyday use. With convenient features like an auto-opening lid and LED lighting, it streamlines bed access while keeping cargo safe and organized.

Construction and Appearance. Finished in matte black, the cargo box is constructed from durable aluminum diamond plate for long-term strength and resilience, while the tonneau cover is made from heavy-duty polyester fabric designed to resist tears, fading, and weather exposure. The system weighs just 42 pounds but supports up to 250 pounds of gear, tools, or equipment. A built-in LED light with a 3-minute auto-shutoff timer and a key lock provide added safety and ease of use in low-light conditions.

Installation. This system installs as a direct replacement and is tailored specifically for the Silverado 3500 HD. The box and tonneau are engineered for seamless integration with factory bedrails and mounting points, requiring minimal tools for installation. The auto-opening lid provides instant access, and the tonneau can be rolled or latched as needed for full bed usage or weather protection.

Warranty. Backed by a limited lifetime warranty, the Unruli DEFENDER Box and Tonneau System delivers peace of mind and dependable performance. Its American-made construction ensures quality and long-term reliability for work, travel, or outdoor adventures.

Application. This Unruli DEFENDER Box and Tonneau System fits 2015-2019 Chevrolet Silverado 3500 HD models. It enhances your truck by offering secure, accessible storage and bed coverage with professional-grade durability and sleek styling—ideal for hauling gear while keeping your truck bed protected and organized.

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