Thule 634b Sonic L Large Black High Gloss Cargo Box for Car Roof Racks


Thule 634b Sonic L Large Black High Gloss Cargo Box for Car Roof Racks

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Thule 634b Sonic L Large Black High Gloss Cargo Box for Car Roof Racks

Our Price: $569.95

Oversize Fee Applies (+$100.00 Shipping Charge)


Note: For your convenience, we will double check the fit compatibility of your order. Your vehicle info will be required during check out.


In-store price may vary.
The Thule 634b Sonic L Large Black High Gloss Roof Rack Mounted Cargo Box features a completely new design for improved performance and maximum convenience. The Sonic series utilizes Thule's new patented AeroNose shaping and hi-flow rear angled base to reduce drag and allow air to more easily pass between the box and your roof - giving you better gas mileage and a quieter ride. The Thule 634 Sonic L Large has a 13 cubic foot cargo capacity and a low profile design to provide lower garage clearance. The Black Sonic L Large is particularly well suited to carrying duffel bags, sport gear, hockey sticks, 5 - 6 pairs of skis or 3 - 4 snowboards. The Sonic L Large's Locking Dual-Side Opening feature allows you to load and unload your gear from either side of your vehicle. Locks and Keys are included. Thule's AcuTight Mounting Hardware directly attaches to all Thule Racks, most after-market racks and most factory installed roof racks in seconds. The AcuTight Mounting Hardware automatically stops tightening at the correct mounting tension - taking the guesswork out of fastening your box. Be sure to check the bar spacing and rear hatch clearance requirements for this cargo box on our Thule Cargo Box Information Page.

  • Dimensions 72" long x 34" wide x 16" high.
  • Great for snowboards and skis up to 155cm.
  • Limited Lifetime Warranty
  • All Thule Cargo Boxes are shipped via freight truck. Approximate delivery time: 5-10 working days.
  • Expedited Shipping and Coupon Codes are not available on Thule Cargo Boxes.
  • All Thule Cargo Box shipments must be inspected and signed for by purchaser upon arrival.

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Processing Your Credit Card Order
Your order will be reviewed for accuracy and processed upon receipt. If there is a problem with your order, you will be immediately notified by telephone or email. Credit card processing is conducted internally after your order has been reviewed for accuracy. Due to their weight and size, all construction racks must be ordered and shipped via Ground Service only. Curt Hitches only ship via Ground Service as well. Coupon Codes are not valid during 15% Off, 20% Off Sale Periods or on Awesome Deals items.

Free Ground Shipping Program
Free Ground Shipping on purchases over $99 applies to the following brands: DeWalt, Hauler, Inno, Kuat, Malone, Mirage, Rhino-Rack, Rocky Mounts, Saris, Thule, TracRac, Vantech, Whispbar and Yakima. Our Free Ground Shipping offer excludes Cargo Boxes, designated Luggage Baskets, Curt Hitches, BackRack Window Guards and System One Products. All orders are shipped via FedEx or USPS except to U.S. Military addresses. Because the U.S. Military only delivers via U.S. Mail, our free Ground Shipping program does not apply to U.S. Military Addresses. U.S. Military Personnel orders must be ordered, and will be sent via parcel post. Only the following brands can be shipped to APO addresses: Thule, Yakima, Malone, Saris, and Kuat. All other brands are excluded. Our Free Ground Shipping Program excludes Alaska and Hawaii.

All orders received by 1 PM EST Monday - Friday will usually ship out on the same day. Most orders received after 1 PM or over the weekend will ship by the end of the next business day. Example: Orders received by Monday at noon will be shipped by 6 PM on Monday. Orders received at 4 PM Monday will ship on Tuesday, orders received on Friday or Saturday will ship on Monday, etc. Since Saturday is not considered a business day, expedited packages are not shipped or delivered on Saturday. Ground Packages may be delivered on Saturday in some areas. A direct signature may be required on orders over $300, orders with different billing and shipping addresses, and all expedited shipments. Cargo boxes, Vantech, Rhino Rack and BackRack products may experience a 2-4 day shipping delay. Hawaii and Alaska customers must choose 2nd Day Air as their shipping method. With the exception of U.S. Military addresses, we do not ship outside of the 50 United States.
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Free Shipping on Orders Over $99*