Thule Load Stops for Square Load Bars - Qty 4
(20 reviews)
Price: $94.95
In Stock
Thule Load Stops for Square Load Bars - Qty 4
Item # TH503
Retail:$144.95
Our Price: $94.95
You Save: 34%
In Stock
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- Reviews (20)
- Q & A (0)
- Videos (1)
- Photos
Thule Accessories and Parts - TH503
- Roof Rack
- Crossbars
- Load Stops
- Thule
Add load stops to your Thule square bar crossbars to help secure heavy loads. Integrated tie-down points make it easy to secure lumber, ladders, canoes, or other gear.
Features:
- Load stops attach to your Thule square bar crossbars
- Built-in tie-down points make it easy to secure lumber, ladders, canoes, and other gear
- Includes 4 load stops, 4 knobs with bolts, and instructions
Specs:
- Application: Thule square crossbars bars that measure 1-1/4" wide x 7/8" tall
- Load stops measure: 3-1/2" tall from the bar x 3" wide
503 Thule Load Stops for Square Load Bars - Quantity 4
Video of Thule Load Stops for Square Load Bars - Qty 4
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Video Transcript for Review of Thule 4 Load Stops For Load Bars - TH503
Hi, everybody, Andy here with etrailer.com, and today we're gonna take a look at these Thule load stops for load bars. These vertical stops are going to laterally support everything from lumber and ladders to canoes and crates. These are going to mount to your Thule standard square load bars that measure 1 1/4 inches wide and 7/8 of an inch tall. And speaking of measurements, let me go ahead and give you some overall measurements of these load stops so you can be confident that this is going to work for you. So I'm going to measure the height from where this is going to be actually sitting on your bar all the way to the tallest point there. So, lining up my ruler there.
As you can see, these are going to be sitting about 3 1/2 inches tall from your square bar that this is going to be mounted on. And the overall width, we are sitting right at 3 inches. So this is gonna be taking up about 3 inches of space on your square bar. Now this includes everything that you see here on my table before me. You're going to get four load stops, and you're going to get four of these knobs with bolts.
And just giving you a brief demonstration of how you're going to install those knobs with bolts just like that. I do wanna point out that straps are not included with this set, so if you don't already have straps, that is something you would also have to pick up. Instructions are included. And that's gonna conclude our brief look today. I do hope that it was helpful for you.
Again, my name is Andy. Thank you for joining me.
Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
- Product did not meet expectations
- Wrong item was ordered
Customer Reviews
Thule Load Stops for Square Load Bars - Qty 4 - TH503
Average Customer Rating: 4.9 out of 5 stars (20 Customer Reviews)
Add load stops to your Thule square bar crossbars to help secure heavy loads. Integrated tie-down points make it easy to secure lumber, ladders, canoes, or other gear.by: Steve P.04/11/2022
I don’t normally write these reviews, but i really do like etrailer.com. They have high quality products that fit and install correctly the first time and their installation videos are the best. In fact, the Toyota dealer i bought my truck from recommended etrailer.com when i wanted to buy a trailer hitch for my Tacoma.
by: Michael 06/19/2020
I needed a set of these so I could carry 10' lengths of 4" PVC on the roof of my Ford Transite Connect van. These are just what I need.
I was happy to see that all I need to do to mount them on the rail is to take the bolt out and slide them down over the cross bar. I thought I was going to have to remove the bar from the roof support and slide the brackets over the end.
I would give them 5 stars if they were a little taller.
by: 1Wolfpack11/20/2022
Perfect accessory for securing load on Thule square bars
by: Paul S12/08/2014
Works fine, but doesn't slide very easily along the bars.
by: Michael02/17/2022
Found the discontinued Thule items I needed with etrailer! Fast delivery at the right price. First order, but won't be my last. Great service!
Thank you
by: John02/07/2020
Out of box look like they will do the job. Wanted the canoe kit but no longer available for the square tube and did not want the universal kit for the aero blade rack.
by: Kelly 07/23/2022
Competitive prices and fast delivery!
by: GPR10/15/2021
Fits a Thule rectangular bar perfectly. Arrived quickly.
by: Michael04/05/2022
looks like they will do the job!
by: Michael 05/20/2021
Excellent product...easy to use
by: Anthony12/18/2014
Good service and good product
by: Patrick 01/16/2020
The product is great!! Fit is perfect!
by: Jose 08/01/2022
by: Blayne12/09/2017
Fast and quick
by: Aaron 01/29/2022
by: Ed11/28/2022
by: Tom 11/19/2022
by: Bohumil02/18/2023
by: Douglas 12/04/2022
by: Michael 03/23/2021
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See what our Experts say about this Thule Accessories and Parts
- Will the Thule # TH503 Load Stop fit on my Thule # TH440 Specialty Railing Mount Roof CrossbarsYes, the Thule Specialty Railing Rack with Load Bars # TH440 that you have uses Thule standard square bars and the Thule Load Stops # TH503 that you referenced is designed to fit the standard Thule square bar so it would work.
view full answer... - Availability of Thule Ladder Load Stops for Square CrossbarsWe don't carry Thule England products, but the closest US Thule product to the 548 that we do offer is the part # TH503.
view full answer... - Height and Length of Thule Load Bar StopsThe Thule Load Stops for Load Bars # TH503 are 3-1/2" tall and will take up 3" of crossbar space each (see attached photo). I confirmed this with my contact at Thule.
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- Thule Ladder Rack for Thule Roof Rack on Leer CamperTypically people use load stops as a way to secure ladders on roof racks. For a load stop that fits Thule square bars we have the # TH503. Then for straps we have the ratchet straps such as # 34413 which can be used to secure the ladders to the bars.
view full answer... - What is Weight Capacity of Thule Artificial Rain Gutters for Roof RackThe Thule rain gutters part # TH542 have a weight capacity of 165 lbs for the rack overall including both crossbars but would easily still work since your boat is 126 lbs. For a set of load stops like you are asking for that fit the square bars you'd just need the part # TH503.
view full answer... - Will Thule TH503 Load Stops Fit 1" x 1" Square CrossbarsThe Thule Load Stops # TH503 were designed to fit the Thule square load bars which measure 1-1/4" wide x 7/8" tall. If the 7/8" height isn't something that will work for your application then the next closest things we have are the Loads Stops # A70770 which are for the 1-1/4" x 1-1/4" square Adarac ladder rack crossbars.
view full answer... - Thule Load Stop Replacement StopI have a solution for you, but unfortunately Thule does not offer the load stops as single items, and to replace the Thule load stops, you'll need to purchase part # TH503 which is a four pack. If you're OK with mismatched pairs, Rhino Rack's Load Stops, part # RRRLH2 are similar stops available in a 2 pack that uses a clamp instead of the tightening knob to clamp into the channel of your load bars. Its a tight fit, but they are compatible with Thule AeroBlade and Yakima JetStream bars.
view full answer... - Best Way to Carry Ladders on a 2003 Chevrolet SuburbanFor your 2003 Chevrolet Suburban Z71, I recommend using the Thule Square Load Bars System which is composed of the crossbars part # TH712400 and the mounting feet part # TH710401. This system contains square load bars that are 58" long and have a 165 lbs capacity. However, you will want to rummage through your owner's manual to see if the vehicle's roof capacity is lower. If it is lower than the above crossbars then this is the rating you will need to abide by. In order to secure the ladders...
view full answer... - Size of M8 Bolt in Replacement 3-Wing Nut and Bolt KitI went out to the warehouse and measured this bolt, it is 55mm. This is a direct fit for Thule Load Stops for Load Bars, part # TH503.
view full answer... - Length of Threaded Portion of 3-Wing, High Hand Knob with M8 Bolt for Thule Roof Rack Load StopsI went out to the warehouse to measure the Replacement 3-Wing, High Hand Knob with M8 Bolt for Thule Roof Rack Load Stops # 753-0776-09 and found it was 1-5/8" long. This part is a fit for the Thule Load Stops for Load Bars # TH503.
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- Can Erickson Ratcheted Tie-Down Ropes be Used to Secure Lumber on Roof of a 2006 Chevy Malibu MaxxI would not recommend a rope tie down such as # 01801 for transporting lumber on the roof of your 2006 Chevy Malibu Maxx. Using ratchet straps such as # EM04418 provides more surface area contact with the wood and you can get them tighter than # 01801. If you were to use # 01801 or something similar I would recommend putting eye bolts in the ends of each piece of wood on each side, running the rope through those, and securing the rope at the front and rear of the vehicle. Then you could...
view full answer... - Will Thule Load Stops Fit Rhino Rack Euro Square BarsTechnically yes the Thule Load Stops # TH503 will fit around the Rhino-Rack Euro Bar Crossbars, like part # RREB126B, but please note that the Euro bars are slightly smaller than the Thule SquareBars (1-1/4" wide x 7/8" tall), like part # TH712500, so there is some play once they are installed. The next best option would be to replace your Euro bars with Thule SquareBars so that the load stops fit properly. If you let me know the year/make/model of your vehicle I can let you know what...
view full answer... - 2015 Subaru Forester Limited Roof Rack Recommendation for Carrying LaddersFor your 2015 Subaru Forester that has raised rails that run from front to back the Malone SteelTop Roof Rack part # MPG203 has been confirmed as a fit and would work well for your vehicle. For load stops for the ladders the part # TH503 would be recommended and then for straps # 34413 for ratchet straps. If your ladders will be 20 feet long on the roof of your vehicle you will need to check your local DOT for regulations on carrying an item that long.
view full answer... - Load Stops for Adarac Aluminum Ladder Rack that Has 1-1/2 inch Wide Load BarsThe Adarac ladder racks that have bars that are 1-1/2 inches in width are the Aluminum Series Ladder racks like the part # A4001223 which then the correct load stops would be the part # A4000880 which attach to channels on the bottom of the load bars. I attached a picture that shows what they look like installed. I also attached a review video for this for you to check out as well.
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- Will Rhino Roof Bar Stops Fit on Thule Square Bars?There are some solutions for using load stops with your Thule cross bars, but unfortunately, the Rhino Load Stops are made for use with Rhino Delta Bar Systems and Rhino Modular Racks. Instead I recommend Thule Load Stops # TH503. These are confirmed by Thule to fit any of the Thule square-style roof bars.
view full answer... - Canoe Carrier Recommendation for Sportrack Pop Up Camper Roof RackFor the crossbars of the Sportrack Pop Up the Yakima canoe carrier part # Y04069 is a confirmed fit and would work great. It fits the crossbar dimensions of this rack and gives you a rack you can carry canoes upside down by the gunwales. It comes with the needed straps too.
view full answer... - Recommended Load Stops for Square CrossbarsIf your Leer Camper has a Thule SquareBar like item # TH712400 you will be able to use the Thule Load Stops for Square Load Bars item # TH503. These load stops fit square crossbars that are 1-1/4" wide x 7/8" tall. It doesn't matter how long they are. If you have a different brand of crossbars I would just need to know the dimensions of them and try to find something that will fit. Square bars don't have a lot of options for accessories so you may need to go with a set of the Erickson...
view full answer... - Roof Rack For 2015 Toyota Prius For LadderSince you are using it for work I highly recommend going with square crossbars for the most space and ease of use. The rack that fits your 2015 Toyota Prius is from Thule, and consists of the following parts: - Thule SquareBar Evo Crossbars # TH712400 - Evo Clamp Feet for Thule Crossbars # TH710501 - Fit Kit # TH145001 Then to secure the ladder you can use whatever tie-downs you like such as the Thule # TH523 attached to the Thule Load Stops # TH503.
view full answer... - Replacement Wing Bolt for Thule Load Stops TH503Yes we do offer the replace wing bolt for the Thule Load Stops # TH503 with the part # 753-0776-09.
view full answer... - Replacement Knob/Carriage Bolt for Thule Load Stop TH503We do indeed offer the knob you're looking for. It's part # 753-0776-09, which is a confirmed fit for your TH503 load stop.
view full answer... - Roof Rack for 2012 Dodge Grand Caravan with Wider Crossbar SpreadThe roof rack with the widest spread that we offer is the Thule square bar that has a spread of 27-1/2 inches and consists of part numbers # TH712500, # TH480R, and # THKIT1043. Then for load stops for the ladder you'd want the part # TH503.
view full answer... - Which Thule Square Bar Roof Rack System Fits 2018 Toyota RAV4?Yes the 50" Thule SquareBar Evo Crossbars # TH712300 and Evo Raised Rail Feet for Thule Crossbars # TH710401 are exactly what you need to add to your 2018 Toyota RAV4 as long as you have the factory raised rails running front to back. These crossbars will allow you to use your Thule Load Stops # TH503 you mentioned. The Thule One-Key Lock Cylinders # TH450400 are a great choice for securing the roof rack to your vehicle. I included a video of this Thule roof rack being installed on a...
view full answer... - Safely Hauling 2 Kayaks 2017 Subaru ForesterHi, that's a good question but I don't think I can answer definitively that yes you can do so "safely". The product is designed and tested with placement on the inside; that is not say that you personally can't be comfortable with the way you have loaded the kayaks. Since, per manufacturer, it has not been tested and approved for that type of placement, my suggestion is to consider use of kayak carrier such as the Rhino-Rack 2 Kayak Carrier w/ Tie-Downs # S512-S512X.
view full answer... - Roof Rack and Tie Downs to Carry Lumber on a 2014 Nissan JukeWhat I recommend is to add some load stops to the roof rack crossbars so that you can support the load side to side and use straps to secure the lumber front to back and tie off to the load stops. First you will need a roof rack for your 2014 Nissan Juke. The most cost effective roof rack that is a true custom fit is from Inno using square bars # INB117, feet # INSUT, and fit kit # INK399. Then for load stops I recommend # TH503 because they are designed to fit Tule square bars which...
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Do you have a question about this Accessories and Part?
Info for this part was:
Expert Research:
Jameson C
Updated by:
Wilson B
Updated by:
Matthew S
Installed by:
Andy C
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Michael L.
12/10/2014
Hi Paul, these do fit tightly to the bars. This is to ensure that no matter the size of the load, these will not move and that they will remain secure.