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Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet
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Thule

Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet

Part Number: 853-0782
65 Reviews | 35 Questions
$6.64
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thule accessories and parts hardware tower feet bolts 853-0782

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This is the bolt that holds it all together for your Thule roof-rack gutter feet (towers). The M8 T-bolt installs through the back of your roof-rack foot and holds the mounting bracket and hand knob in place, tightening the whole system to your roof. 1-800-940-8924 to order Thule accessories and parts part number 853-0782 or order online at etrailer.com. Free expert support on all Thule products. Great prices and Fastest Shipping for Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet. Accessories and Parts reviews from real customers.
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Thule Accessories and Parts - 853-0782

  • Roof Rack
  • Hardware
  • Tower Parts
  • Feet
  • Bolts
  • Thule
  • T-Bolt

This is the bolt that holds it all together for your Thule roof-rack gutter feet (towers). The M8 T-bolt installs through the back of your roof-rack foot and holds the mounting bracket and hand knob in place, tightening the whole system to your roof.


Features:

  • Replaces 1 M8 T-bolt for your Thule roof-rack gutter feet (towers)
    • Thule 5" High Gutter Feet (TH300), Thule 8" High Gutter Feet (TH387), or Thule specialty foot packs for thin gutter vehicles (TH368 or TH369)
  • Holds mounting bracket and hand knob in place on foot
  • Tightens entire system to your vehicle roof


Specs:

  • Overall length: 2-3/16"
  • Thread length: 1-7/8"


Overall length is two and three sixteenths inches, thread length is one and seven eighths inches


853-0782 Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet

Replaces Thule 8530782





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Video of Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet: The Breakdown

Hi there, I'm Michael with etrailer.com. Today we're gonna take a quick look at this Thule replacement M8 T-bolt. This is going replace one M8 T-bolt for your Thule roof rack gutter feet, or towers. This is going to work with your Thule 5-inch-high gutter feet, your Thule 8-inch-high gutter feet, or your Thule specialty foot packs with thin gutter vehicles. All those part numbers that you can see on the screen there. This is a direct replacement from Thule, so you can trust it is gonna work with all those.

You're not gonna have to worry about compatibility issues or anything like that. This will hold the mounting bracket and hand knob in place on the foot and tighten the entire system to your vehicle roof. Just to give you a few measurements here, you can see this is right about two and a quarter of an inch and overall length are thread lengths. It's gonna be right about two inches. So if you're needing to replace one of those M8 T-bolts for your Thule roof rack gutter feet, this is gonna be exactly what you need.

That completes our look for today. Again, I'm Michael with etrailer.com. Thanks for watching..

Customer Satisfaction Score:

Ratings & Reviews

4.6

65 reviews
5 Stars
(50)
4 Stars
(10)
3 Stars
(2)
2 Stars
(1)
1 Star
(2)
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by:
Would have been 5 stars but I paid to have a rush order and it was not put in the mail until the day it was suppose to arrive at my house.
by:
After attempting to grind down bolts to fit this non standard Trac Rac system, these bolts fit perfect !
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by:
F3 replacement for the bolt I stripped. Perfect match.
by:
I bought these bolts to attach my Thule ski rack to the crossbars on my 2015 XC60 Volvo. While slightly long, the bolts do work and I have had no problems with them or their attachment to the crossbars. I'm thankful I was able to find these bolts because I was getting absolutely no response from Thule. Thank you etrailer.
by:
Bought this to mount a BMW cargo box to my Thule AeroBlade vis the gutter mount. The thread pitch matched the BMW screw knob (M8 / 1.25) but the square head on the T-bolt rotates freely in the gutter making it hard to tighten. The BMW T-bolt was rectangular to prevent this. The saving grace with this bolt is that the bolt is slightly tapered near the head so it lightly catches on the track (barely). Not the best bolt to get to mount my cargo box but hard to even find a T-bolt with M8 / 1.25.
by:
Needed to replace the t-bolts on a Mini branded rooftop cargo capsule to fit Jeep Wrangle 2021 Mopar roof rack. These matched in threading, length, and diameter to both products. It would be great if whoever actually makes the rooftop and cargo accessories (Thule, Yakima, etc.) could be identified rather than going through the relabeling guessing game.
by:
Excellent rating. I ordered replacement parts for a Thule gutter-mounted rack. The parts arrived within a couple of days and were exactly what I needed. I highly recommend etrailer.com for those looking for parts and equipment. Customer service-oriented company for sure.
by:
I purchased a Yakima roof rack and needed bolts for the T-Slot. The folks here at e-trailer answered my questions quickly and provided me with the item number. When my packaged first arrived it was empty…no bolts, but a simple email had a new envelope and bolts mailed right away.

Awesome company and awesome employees!
by:
Way too expensive. $x.xx for a simple 5/16 bolt is utterly ridiculous.
I bought 12 to hold my ladder racks to my bed topper t-slot rails.
I went by the dimensions on the site but when I recieved them I found there is a pyramid shape on the underside of the t-slot head which will not be good for my aluminum slots as only a slight fraction will contact the inside of the slot. Very good chance of distorting my rail.

The listing description and pictures showed nothing of this.
$xx some dollars for a few bolts that are useless to me.
by:
Hard to imagine writing a review for a t-bolt, but here it is: the ordered t-bolt was delivered on time and in good shape! I will say having access to a t-bolt meant I didn't need to replace my entire bike rack when I swapped cars which required a new roof rack with a different t-slot dimension-
by:
These bolts fit my old locking knobs and are plenty long, however the square end is not a tight fit for the feet to clamp lock setup. They twist when near tightness, hence I use locking pliers to seal the deal. A little more square beneath the head would fit feet/clamps better.
by:
Not an accurate description
Brooke M. profile picture
Etrailer Expert

Brooke M.

4/30/2025

Oh no! Would you be willing to share a little more details as to what would've been helpful to include?

by:
Exactly as described and helpful for mounting older style racks to aerobars
by:
The head on this is not 22mm as advertised, it's actually 3/4" or ~19mm and more rounded than stock Thule. This means that the bolt will freely spin when placed into a Thule, in my case Land Rover, T-Slot. I made this work by cutting a slot in the top of the threads to use a screw driver to prevent it spinning while tightening. Otherwise great to have these available.
by:
I ordered these for my new Inno Aero rack and they fit perfectly in the crossbar slots. Excellent quality t-bolts!!
by:
Good quality, fast shipping
by:
Retrofitting a Sears Sport 20-SV onto new BMW X3 Roof rails. The parts arrived on time and worked perfect.
by:
Work perfect. Shipping was fast and all parts received.
by:
Hard to find but they had the part in stock. Great customer service!
by:
Was happy I could find replacement Thule parts at a reasonable cost. Very happy!
by:
Great replacement part for at DAC integrated trail RTT
by:
exact bolt, knob and end caps for what I needed. A++
by:
This part works pretty well for me, my only comment is that the screw part (for lack of technicality) although longer, as I needed, is also thicker and will not fit the same hole-size the other gutter feet I had purchased (thinking they would be about the same).
by:
Richard profile picture

Richard

2/14/2025

These fit Perfect.

Jesse M. profile picture
Etrailer Expert

Jesse M.

2/14/2025

@Richard Glad to hear that, Richard. Thanks for sharing. Come back anytime you need anything!
by:
This bolt was very difficult to source! ETrailer had them and swiftly shipped them. Terrific service, especially considering such a small order. Thanks!
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See what our Experts say about this Thule Accessories and Parts

Do you have a question about this Accessories and Part?
  • Is Thule Locking Knob TH79JV M8 Thread Size
    Yes the thread size of the knob part # TH79JV is M8 so it is perfectly compatible with the T-bolt part # 853-0782 that you referenced.
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    The Thule Rapid Gutter Feet for AeroBlade Crossbars are compatible with your 2013 Jeep Wrangler Unlimited (4 door) hard top. The feet need to be 20 inches apart on center. You can see in the attached photo that the front rail can be centered above the front doors if desired. The max capacity for this system is 165 lbs. If you don't already have crossbars, the 60 inch Wingbar Evo # TH711520 is a great option. You can also add locks to secure your rack using # TH450400. These locks...
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  • Replacement T-Slot Bolts for Adding Accessories?
    We can get what you need depending on exactly what you're doing the Thule Xadapt12 part # THXADAPT12 could work. It uses barrel nuts that thread down on the bolts for security. You can use the Replacement M8 T-Bolt part # 853-0782 this will allow you to use any type of M8 nut you would want to secure you gear. Any extra length can be cut off. Also, the Truck Rack T-Slot Fit Kit part # MPG8287 gives you an option to run the bolts down into nuts in the t-slot itself.
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  • M8 T-Bolt That is 2-1/4 Inches Long and Fits Thule AeroBlade Crossbars
    The closet M8 T-bolt I could find with the dimensions you were after is the Replacement M8 T-Bolt for Thule Roof Rack Gutter Feet # 853-0782. This T-bolt is a total of 2-3/16 inches long, has a head that is .7 inches square and it will fit in the Thule AeroBlade crossbar.
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  • Recommended Bolts for the Channels of a Yakima LockNLoad Platform
    I checked with Yakima and the correct bolts for LockNLoad Platform Racks like item # Y05045-39 are M8 T-Bolts like item # 853-0782. The Replacement T-Bolt item # Y8880184 you were looking at are M10 bolts and wouldn't work. Any extra length of the Replacement M8 T-Bolt # 853-0782 can be cut off.
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  • What are the Dimensions of the Replacement T-Bolt for Thule Roof Rack Gutter Feet
    I went out to the warehouse and pulled the # 853-0782 that you have referenced. The head is 0.7 inches square and 0.19 inches tall. The overall length is 2.21 inches, the threaded part makes up 2 inches of that. It has a diameter of 0.31 inches (8 millimeters). There is not a larger. Depending on the bike racks you are using there may be other options for you.
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    We have the Thule T-Bolt part # 853-0782 which fits the top channels of your Wingbar Evo crossbars, is fully threaded, and has a stud length of 1-7/8 inches like you'd need.
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    I tried it to make sure, and the t-bolt # 853-0782 will fit inside the groove on the top of the Thule AeroBlade bars. The knob # 753-0776 will also fit on the bolt. I have attached some pictures of the bolt in the groove with the knob on the bolt for you to see how they fit together. The bolt won't come out of the groove, but it doesn't fit tightly inside the channel.
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Info for this part was:

Employee Tyler C
Written by:
Tyler C
Employee Robert G
Expert Research:
Robert G
Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Wilson B
Updated by:
Wilson B
Employee Matthew S
Updated by:
Matthew S
Employee Manda E
Updated by:
Manda E
Employee Michael B
Installed by:
Michael B

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