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Item # THU0396

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  • One Color, L ($519.95)
  • One Color, XL ($549.95)
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Item # THU0396

Unnatural vehicle enhancement.

Your gear gets wet, muddy, smelly, and covered in snow. Keep it out of your car with the Thule Force Cargo Box. The Force is available in four different sizes to accommodate your needs according to the size of your car, your family, and your habit. The Force also opens and locks from either side of the box for added convenience.

  • A rooftop rack for containing the fallout of alpine adventures
  • Opens from either side for convenient loading and unloading
  • Lid textured for durability and aerodynamics
  • Includes locks so your gear doesn’t wander off
  • Compatible with square, round, and factory bars

Tech Specs

ABS plastic
[M] 65 x 34.5 x 16 in, [L] 74 x 36 x 16.5 in, [XL] 84 x 34.5 x 17 in, [XXL] 92.5 x 36 x 18 in
[M] 13 cu ft, [L] 16 cu ft, [XL] 17 cu ft, [XXL] 21 cu ft
round bars, square bars, factory bars
Locks Included:
Claimed Weight:
[M] 35 lb, [L] 39 lb, [XL] 44 lb, [XXL] 56 lb
Part Number:
[M] 624, [L] 628, [XL] 625, [XXL] 626
Recommended Use:
Manufacturer Warranty:

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Unanswered Question

I have a 2000 Mercedes S500 sedan with factory roof cross-bar. Will this box fit and not interfere with the trunk opening? Does anyone else have the same car with this box mounted? Any excessive wind noise?

Standard Equipment

  • Familiarity: I've put it through the wringer

I bought the force XL cargo box as supplemental storage for my families honda CRV. With this bad boy we no longer have a completely full vehicle which makes driving way safer, and finding our stuff in the car much easier. The XL is big enough to fit all types of skis/snowboards/camping gear, and can also fit bouldering pads in it as well. HIGHLY RECOMMENDED!!!

Gigantic cargo holder!

  • Familiarity: I've used it once or twice and have initial impressions

I'm doing a cross country (basically a continent?) trek to Alaska from Virginia. I needed something huge to fit all of my stuff (I purchased the XXL). This is far bigger than I expected and I am super excited about it! Very lightweight and I like that the clamps just go onto my roof rack with a simple turn of the knob. To be honest, not that I don't trust it, but I have decided to use some tie down straps for extra security. Doesn't make any sound while I am driving and it doesn't seem to influence my driving at all!

Uber Greatness

    Got this bad boy for my uncle. He drives uber and wanted to be able to help out those with skis, boards and travelling with other large items. His feedback - It's incredibly easy to install (Did it myself). Almost too long for the 2011 Pilot EX. Haven't noticed a huge difference in gas mileage.

    Uber Greatness
    Unanswered Question

    How about Nordic skis? I have 200cm skis in a carrying bag. Would either of these be big enough to fit without "squishing" the skis? Also, I have a Kia Soul. Are they too big?

    I have 170cm skis,what's the internal length of the XL?

    The internal length of the XL is roughly 210cm, so that will fit your skis Zambranojl

    Also, the max length of ski for the L is a 173cm. If you know you will never carry skis longer than 173cm ,you could make that one work

    Will the XL Force fit on my Mazda CX5?

    As long as you have factory installed crossbars then it will fit. If you have a naked roof or a roof railing then you will need to purchase a crossbar system as well.

    What is the "free gift with purchase?"

    It's an adapter system for the Switchblade crossbar system. Just a small accessory to the box that you won't actually need unless you have Switchblades on your car (a separate product from Thule).

    I don't see the weight of the carrier in...

    I don't see the weight of the carrier in the technical specs. How heavy is the XXL? I'm thinking here of storage options and ease of taking on and off my vehicle.

    Disregard, it looks like Full says 56 pounds for the XXL


    • Familiarity: I've put it through the wringer

    This cargo box is easy to take on and off, it's aerodynamic and simple to use. Opens from both sides and fits tons of stuff in it. I use it for skis plus cargo in the winter and I put pretty much everything in it in the summer.

    Great product!

    • Familiarity: I've put it through the wringer

    Very spacious and surprisingly quiet. We have used it over 20 times for several days of use. Easily handles 4 snowboards and 4 carry on size suitcases and a couple of backpacks. Sold the snowboard rack and no more stuffing the cargo area! Easy on and off and we keep it in the rafters when not in use. Solid purchase perfect size for our family!

    Good looking, Quiet, easy fit

    • Familiarity: I've used it once or twice and have initial impressions

    Purchased this with the intent of carrying camping gear... Used it finally and was very suprised that it hardly affected MPG. I have this mounted to Yakima Whispbar system and it mounts fast and secure.

    Con: While loading (stuffing) the box full I did have some difficulty locking it, but if you don't try to overstuff it you will be fine.

    I live in the area of Big Rapids, Michigan....

    I live in the area of Big Rapids, Michigan. Where can I find a dealer that I can

    visit and see these units? Thank you Dan Scheiern

    Dude! I'm from Fremont originally. Whats up neighbor? Unfortunately I don't have any recommendations for you as to who is going to carry this in your area. If you need that recommendation you might want to hit up Thule directly, they will have a better idea as to who they shipped what too. Otherwise I know we ship to your area, I send gear to my parents all the time.

    Force Cargo Box in use!

    • Familiarity: I've used it once or twice and have initial impressions

    So far this season, the cargo box has been perfect. I bought it heading into our family beach vacation. I wanted something to keep the beach toys, sand, chairs, and wet items out of the car (things we wouldn't need to cart into the rental condo, but would use frequently). Suited this task perfectly. Better than the cargo bags because it tolerated the rain that comes with being at the beach. I also really like opening from both sides. I used it again to go camping. Two big pluses: #1, you can get your food and gear up and safe from animals, #2, get things out of the back window for driving. You've got to remember you have something on the roof, but the ability to load, lock, and go while keeping it all dry is great.

    If you can't keep this on your car, it's a pain to have to store something this size, but that's not a product problem.

    Big fan.

    does the 626 Force XXL fit on top of a...

    does the 626 Force XXL fit on top of a e-350 van

    Depending on what year the van is, the 387 Gutter High Foot Pack paired with 65" load bars should work.