Can I Mount a Cargo Carrier to My Factory Raised Rails on My 2021 Ford Explorer?
Updated 09/26/2025 | Published 04/21/2025
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Question:
I have a 2021 ford explore limited and i am needing a roof rack cargo box for duffle bag and suitcases and other miscellaneous things. Mostly luggage. I am wondering if the factory side running rails are sufficient or do i need other rails to mount a box. And what box would be a best fit for what i need to store.
asked by: Jared W
Expert Reply:
Hello Jared,
Great question!
The cargo box won't be able to mount directly to your factory-installed raised rails that run front to back (please refer to the image I’ve attached).
To make it work, you'll need the Thule WingBar Evo Roof Rack for Raised Rails - Aluminum - Black - Qty 2 # TH45ZA, which will attach securely to your factory rails. Once that's in place, you'll be able to mount the Thule Force 3 Rooftop Cargo Box - Large - 16 cu ft # TH67SA to your roof without any issues.
Getting geared up for a big trip? If so, where are you headed?
(click to enlarge)
Product Page this Question was Asked From
Thule Force 3 Rooftop Cargo Box - Large - 16 cu ft
- Roof Box
- Aero Bars
- Factory Bars
- Round Bars
- Square Bars
- Long Length
- High Profile
- Extra Large Capacity
- Dual Side Access
- Black
- Thule
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Kate F.
9/26/2025
Hey Jared, did the Thule WingBar Evo Roof Rack and the Thule Force 3 Cargo Box work out for your trip? I’d love to hear how it went, as it could give others confidence when setting up their own travel gear.