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Thule Arcos Box L
Rear-mounted weatherproof cargo box — keeps the roof free
Last reviewed: April 2026
Hard-shell hitch-mount cargo box with wedge-shaped aerodynamic design, SlideLock security, and single-person attachment. Must be used with Thule Arcos Platform (sold separately).
Price may vary. Prices and availability are subject to change.
At a glance
Quick Specs
Why this product
Why the Thule Arcos Box L?
Here's the thing — the Arcos Box L mounts behind your vehicle instead of on top, which means zero impact on fuel economy and your roof stays free for bikes or kayaks. At 61 lbs with 110 lb capacity, it includes Thule's SlideLock security. The downside? You need the Arcos Platform sold separately, and the hitch-mount design means you lose rear visibility and backup camera functionality.
Detailed specs
Full Specifications
| Hitch Class Required | Class 3 |
| Receiver Size | 2 in |
| Weight Capacity | 110 lbs |
| Platform Length | 55.1 in |
| Platform Width | 20 in |
| Foldable | No |
| Ramp Included | No |
| Side Rails | Yes |
| Carrier Weight | 61 lbs |
Best prices
Where to Buy
| Retailer | Price | Status | |
|---|---|---|---|
| Amazon US | Check price | Check availability | Check Price |
Disclosure: MyCargoRacks.com is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more
Disclosure: MyCargoRacks.com is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more
