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+ free shipping on orders of $99 & over (contiguous US only)
*Thule luggage excluded from 10% off sale
*Thule cargo roof boxes excluded from free shipping program
Any additional current coupons/promotions do not apply to this item.
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MADE IN THE U.S.A.
Get all that luggage & gear out of the car and up on the rooftop! The Thule 603 Ascent 1500 Roof Box is part of the all-new Thule Ascent cargo box series, delivering the ultimate combination of value and feature-packed gear transport convenience & rugged durability. The Thule 603 Ascent cargo box is the shortest length roof box model in the series and is ideal for vehicles with shorter roof lines or anyone that doesn't need to transport long items such as skis. The Thule 603 Ascent cargo carrier has a hefty 15 cu. ft. capacity, a very popular option for those seeking a fully protective and waterproof luggage box for all types of gear such as golf clubs, baby jogger / baby stroller, luggage, camping equipment & many other uses! Holds up to 4 snowboards, not long enough for skis. Smooth, aerodynamic design for minimal wind resistance.
Includes the new Thule QuickGrip hardware (previously found only on Thule Racks most expensive cargo box models) allowing the Thule 603 Ascent 1500 to connect quickly, using no tools, directly to all styles of Thule base rack load bars, Yakima base roof rack round cross bars, Inno Racks cross bars & other after-market roofrack manufacturers and of course virtually all factory roof rack crossbars. Dual-side opening for convenient loading and unloading. SecureLock central locking system with Thule locks included for locking your equipment and belongings inside the Thule 603 Ascent roof box. Beautiful matte black anti-scratch finish and constructed of ultra-strong and UV resistant A.B.S. for an amazing strength to weight ratio. Dimensions: 66.9"(L) x 35.1"(W) x 16"(H) / Weight: 35 lbs.
PLEASE NOTE: The Thule Xadapt 10 Kit is now compatible with all Thule Ascent Series roof boxes, allowing them to mount flush to roof rack cross bars with T-slot channels running the length of the cross bar, such as Thule AeroBlade load bars and Rapid Aero load bars (Rapid Aero model discontinued), Whispbar Racks cross bars, all Votex brand OEM roof racks, all TracRac truck racks, Thule 422XT Xsporter etc. The result is a much more premium, low-profile appearance. |
- Hefty 15 cu. ft. cargo capacity. A very popular option for those seeking a fully protective and waterproof luggage box for all types of gear such as golf clubs, baby jogger / baby stroller, luggage, camping equipment & many other uses! Holds up to 4 snowboards, not long enough for skis.
- The Thule 603 Ascent cargo box is the shortest length roof box model in the series and is ideal for vehicles with shorter roof lines or anyone that doesn't need to transport long items such as skis.
- Load straps included for securing in place all gear contents inside the cargo box during travel.
- Patented dual-side opening allows you to access gear from either side of your vehicle.
- Wind tunnel tested aerodynamically shaped design reduces wind drag, helping to reduce your fuel costs.
- Thule 603 Ascent car roof box is universally compatible with any Thule base roof rack load bar styles (including Thule Xsporter & Pro Series truck racks), Yakima base rack round cross bars, Inno Racks crossbars and virtually all factory rack crossbars.
- Thule Racks QuickGrip mounting system included! The easist and fastest on/off attachment system available. No tools needed for roof box installation or removal.
- Constructed with high impact resistant and UV protected ABS materials. Diffuser Technology improves aerodynamics and torsional stability.
- Modern matte-black scratch resistant finish.
- Convenient single key access from either side of Thule 603 Ascent cargo box with SecureLock central locking system (Thule locks and keys included). Improved locking system features a user-friendly key and readable decal. And as with all other Thule boxes, there is a built-in safety feature, the Thule NO-GO Central Locking System, so the key can only be removed when the cargo box is completely closed. No worrying whether the box is properly shut when heading down the highway.
- Dimensions: 66.9"(L) x 35.1"(W) x 16"(H) / Weight: 35 lbs.
- Easy to follow Thule 603 Ascent roof box installation instructions included.
- Thule Racks Lifetime Warranty!
» Thule 603 Ascent roof box installation instructions
» all Thule cargo roof boxes comparison chart
» all Thule roof boxes dimensions / compatibility chart
Thule 603 Ascent 1500 Roof Box Resource Wall
Product Reviews
Read the reviews below to find out what other customers are saying about the Thule 603 Ascent Cargo Carrier.
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Product Discussion
Discuss the Thule 603 Ascent 1500 car roof box. Use the form below to fire away with your questions, answers and general comments about this product. |
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ORS Crew says - The Thule Xadapt 10 Kit is now compatible with all Thule Ascent cargo boxes, allowing them to mount flush to roof rack cross bars with T-slot channels running the length of the cross bar, such as Thule AeroBlade load bars and Rapid Aero load bars (Rapid Aero model discontinued), Whispbar Racks cross bars, all Votex brand OEM roof racks, all TracRac truck racks, Thule 422XT Xsporter etc. The result is a much more premium, low-profile appearance.
ORS Racks Direct Crew says - The Thule Ascent car roof boxes have a long range of adjustment to fit nearly any distance between the front roof rack crossbar and the rear roof rack cross bar (referred to as crossbar spread). In fact the Ascent 1700 fits any crossbars with a spread as short as 23-5/8" inches and as long as 37", Ascent 1600 fits any crossbars with a spread as short as 23-5/8" inches and as long as 35-5/8", Ascent 1500 fits any crossbars with a spread as short as 23-5/8" inches and as long as 33-1/2" and Ascent 1100 fits any crossbars with a spread as short as 23-5/8" inches and as long as 37-1/2".
Product Videos
Product videos coming soon.
Customer Installation Pictures
Proud current customer with ORS Racks Direct? |
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Chevrolet Equinox Roof Rack Luggage Box with Thule 603 Ascent 1500 Cargo Box | ||
Accessories
2012 Thule Xadapt 10 Kit - Connect Thule Cargo Roof Boxes to Thule AeroBlade & Rapid Aero Bars, Whispbar Racks, Thule 422XT Xsporter & TracRac Truck Racks, Votex Crossbars etc. | Thule Roof Rack Accessories - 2012 Thule 232 Step Up Wheel Step | |
2012 Thule 571 Roof Box Storage Lift - Also Stores Canoes, Kayaks, Sailboards, Ladders etc. | Thule Spare Parts & Replacement Parts for All Thule Racks | |
All Thule Racks Roof Cargo Box Gear & Luggage Carriers - Thule Boxster Ascent Atlantis Spirit Excursion Mountaineer Frontier | 2012 Thule Xadapt 10 Kit - Connect Thule Cargo Roof Boxes to Thule AeroBlade & Rapid Aero Bars, Whispbar Racks, Thule 422XT Xsporter & TracRac Truck Racks, Votex Crossbars etc. | |
All Thule Racks Roof Cargo Box Gear & Luggage Carriers - Thule Boxster Ascent Atlantis Spirit Excursion Mountaineer Frontier | All Yakima Roof Cargo Box Gear & Luggage Carriers - Yakima LoPro Titanium / SkyBox Pro / Sky Box RocketBox SpaceCadet SpaceBooster | |
Inno Cargo Carriers - Inno Roof Boxes, Cartop Luggage Bags & Gear Baskets |
ORDERING NOTES
This car roof mount luggage / cargo box connects directly to all styles of Thule base rack load bars, Yakima multi-purpose base rack round crossbars, Inno roof rack bars and virtually all factory roofrack cross bars. At order checkout we will obtain your vehicle year/make/model info to ensure this cargo carrier is compatible.
We offer 2 fulfillment options for cargo boxes:
1) Shipment by freight to residential/commercial addresses
2) In-store pickup.
See below for details…
1) For Shipments to Residential and Commercial Addresses
(choose delivery method of “SHIPS VIA FREIGHT”)
PLEASE NOTE: An additional freight charge of $50.00 will be added to your order as this item cannot be shipped via UPS/Fed Ex due to its oversize dimensions and must be shipped via freight & we ask that you please allow up to 2-3 weeks for delivery of this item. For your convenience this item ships directly to both residential and commercial business addresses, please supply either a residential or commercial business address for delivery at checkout. Please inspect your Cargo/Gear Box before signing and accepting delivery (this means removal from the cardboard carton and inspection for any visible damage as well as function of hinges/lid supports/locks) from freight company as ORS Racks Direct cannot accept returns or damage claims of these items after delivery has been accepted by the customer. If the box is damaged and unacceptable please refuse delivery with the LTL Freight company and contact us for resolution. If you have any questions concerning shipping and/or delivery please contact us, we're glad to help!
2) For In-Store pickup
(choose delivery method of “IN-STORE PICKUP”)
$50.00 freight charge will be waived. 6% Vermont Sales Tax WILL apply.
Please insert the following address in the “SHIP TO” field at order checkout. This will help alert us to the in-store pickup status of the order and will also add 6% Vermont Sales Tax to your order ( required for in-store pickup).
ORSdirect (Warehouse Pickup)
36 Vast Lane
Barre, VT 05641
We will then contact you to arrange pickup details and arrange for shipment or pickup for any other items in your order. If you have any questions concerning shipping and/or delivery please contact us, we're glad to help!
QUICK ORDERING SOLUTION
Alternatively, we suggest using our easy Thule Racks automated fit guide to quickly select the correct Thule multi-purpose base roof rack system and/or cargo carrier if you don't have one already installed:![]()























