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  1. Trailer Leaf Spring Suspension
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  3. Bushings
  4. Spring Mounting Hardware
  5. 1-3/4 Inch Long
  6. 9/16 Inch ID x 11/16 Inch OD
Nylon Bushing - 9/16" Inner Diameter, 11/16" Outer Diameter - 1-3/4" Long

Nylon Bushing - 9/16" Inner Diameter, 11/16" Outer Diameter - 1-3/4" Long

Item # TRBU11566
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Trailer Leaf Spring Suspension
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Nylon bushing is designed for use with trailer suspension systems. Insert it into the eye of a leaf spring to ensure proper sizing for suspension bolts. Lowest Prices for the best trailer leaf spring suspension from TruRyde. Nylon Bushing - 9/16" Inner Diameter, 11/16" Outer Diameter - 1-3/4" Long part number TRBU11566 can be ordered online at or call 1-833-496-1390 for expert service.
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TruRyde Trailer Leaf Spring Suspension - TRBU11566

  • Bushings
  • Spring Mounting Hardware
  • 1-3/4 Inch Long
  • 9/16 Inch ID x 11/16 Inch OD
  • TruRyde

Nylon bushing is designed for use with trailer suspension systems. Insert it into the eye of a leaf spring to ensure proper sizing for suspension bolts.


  • Inner diameter: 9/16"
  • Outer diameter: 11/16"
  • Length: 1-3/4"
  • Quantity: 1

BU1-1566 TruRyde Nylon Bushing - 9/16" Inner Diameter, 11/16" Outer Diameter

Video of Nylon Bushing - 9/16" Inner Diameter, 11/16" Outer Diameter - 1-3/4" Long

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for TruRyde Nylon Bushing Installation

Today we're going to be taking a look at the True Ride nylon replacement bushing for spring ends in the eye and also our equalizers. Part number is TRBU11566. These measure nine sixteenths of an inch in the inside diameter, eleven sixteenths of an inch outside diameter. They're designed to work with springs and equalizers that are an inch and three quarter wide. The basic purpose of these is to give us proper bolt fitment of out bolts when they go through our springs and mount to our trailer or mount to our equalizer. These are an exact round fit. They're going to give us really nice, snug fit on our bolt, and it's going to prevent the movement that we can sometimes get out of our trailer and also help to prevent some of the noise. The replacement process is pretty straightforward with these.

Sometimes if these are on an older trailer that's had some use and that's why you're replacing them, they're simply probably going to fall right out. They'll be really thin. We're going to use a seven sixteenths inch socket here and that usually works out really well for getting those guys to come out. Once our old one's out, it's just going to be a matter of putting our new one in place. You can see that slid right in.

Sometimes you will have to again use your socket to drive it in, maybe put a block of wood there and tap down on it. Whatever you prefer. It's just a really quick, easy way to switch these out, keep that proper fitment for your trailer, and keep a lot of that movement and play to a minimum. When it comes to our equalizer here, typically one side of the hole is going to be more rounded and a little cleaner looking than the other side. You can see how there's almost a lip over the edge of our bushing. We want to drive it out from this side out that way so it'll come out pretty freely and we won't have to fight it too much.

Again, if you have to knock it out, a socket is all you're really going to need. Those pop right out. Grab our new one, it'll go in that same direction. That's all there is to it. New bushing in place, ready to put it back on the trailer once we replace the other two here. The same bushing is going to work for all three locations of the equalizer and on both ends of your spring.

On a typical, single-axle trailer we're going to need four because we don't have an equalizer. Once we move into a tandem trailer, we're going to move up to fourteen, and a triple axle trailer we're going to require twenty-four. That's going to complete our look at the True Ride nylon bushings for the one and three quarter inch wide springs and equalizers, part number TRBU11566.

Customer Reviews

Nylon Bushing - 9/16" Inner Diameter, 11/16" Outer Diameter - 1-3/4" Long - TRBU11566

Average Customer Rating:  4.8 out of 5 stars   (305 Customer Reviews)

Nylon bushing is designed for use with trailer suspension systems. Insert it into the eye of a leaf spring to ensure proper sizing for suspension bolts.


I replaced leaf springs on my trailer , springs , unbolts and leaf eye bolts were perfect fit and the job when easy the hard part was getting the old springs off. I know now to keep them siliconed up from now on for future problems.

Great no issues
David E - 06/24/2022


Fantastic! Shipping was fast, it fit and the replacement is finished. Only flub was me ordering four instead of 6.

The attached pic shows how bad the old bushings were and why I was getting tread wear down on the inside of the tire.


Came with the bushings all individually in the box vs an all in one bag/package. Ordered 8 but in the box was only 6 clearly lost from transport which is very frustrating and now unable to finish the project in time before our travels. Do not buy from etrailer buy the same ones from Michigan Truck for a 1/3 of the price.

I am sorry to hear that your order arrived in this condition. I have sent your information over to our customer service department for them to better assist you.
Katrina B - 08/29/2022


I Waited Too Long to Replace Trailer Bushings
past few years I would hear “clunking” sound (different than “squeaking”) from my boat trailer, but I got concerned this year as it seemed louder.
-With the boat off the trailer I could see wear around the shackle bolts
-I called eTrailer to order the parts and was helped by Kayla to order the bushings/shackles/bolts/nuts for my tandem axle trailer
-After trying to press the bushings in I realized I measured poorly and had two different bushings, the equalizer had 1 size and springs had a different size.
-Amanda helped me get the second set of bushings (delaying the project for 5 days…but my fault)

Right or wrong:
-I applied anti-seize compound to the shackle bolt threads
-I pre-loaded the “wet” bolts with marine grease to fill them up before inserting them into the suspension, adding grease when everything is installed
-I tightened the bolts very securely and they backed off the nut ½ turn to allow for suspension movement

Lessons learned:
-Look for different size bushings in equalizer/springs and measure correctly ID & OD precisely
-It takes some time to do this job (about 4 working hours per side) so try to do it when you are not under pressure
-If you want the re-paint some parts, allow for primer and top coat drying time, i.e. overnight which adds time to the project, but it comes out better
-Have a big breaker bar & extension/enforcer to help get the nuts on & off. My ½” impact gun could not tighten them all the way
-A large “C” clamp will press the bushing in smooth & straight instead of using a hammer & block of wood “caveman style”
-Annually inspect your trailer suspension for signs of wear and listen for increased noise

Thanks again to Kayla, Amanda and eTrailer for help with this project.


I had one broken leave Spring Shackle so i Replaced All of the Shackle Brackets & Bolts & Bushings everything worked Great finished project in no Time Thanks for Everything


easy to install once you're able to remove the nuts off of the rusty old shackle bolts, Ahhh Michigan winters.

Just fine.
Doug W - 09/22/2021


So far so good. I have no idea what the life expectancy is, will have a look at them in 2 more seasons. Or a set of tires, I assume they are the sacrificial part of the system.


I ordered 8 of these, and 2 came with cracks longitudinally. I called customer service (on a sunday, which is nice), and they are getting 2 new ones out to me. Otherwise the 6 good ones were fine and installed with no issues. Once I receive the other 2, i will bump this review up from a "2" to a "3" or "4".


Yep! they're bushings.
Arrived in good
shape. No complaints.


Couldn't be more satisfied! I change from 5 on 5 to 5 on 4.5. I've been rolling on these hubs about 2500 miles. Every time I jack up the trailer I spin the tire, smooth as ever. Thankx LSD


Just what I ordered. All installed and doing its job.

Still working just like its supposed to.
David - 06/05/2022


Trouble free. Easily replaced well worn bushings with more than 13000 miles on them.


Great product at great prices!


Worked like it should.


Does the job!


Just what we ordered and on time. Thank you


Fit perfectly

François - 11/20/2021


These will do the trick. They seem to be robust nylon - perfect for my older trailer. For a new trailer, I'd opt for brass probably. Speedy deliver - even considering the border crossing into Canada.


Actually wasn't sure if kit had all that I needed, so I bought extras. Didn't really need them but if I ever do, I'm prepared


I had a trailer spring break this summer on the way home from a 2,700 mile trip. Our small luggage trailer just couldn’t take anymore rough roads. One of the springs broke through the centering bolt. The website and Tammie P. came through with replacement springs and accessories. Thank you Tammie P. And!


Spot on bushing for my leaf springs. Only suggestion would be to include instructions for lubrication. I wasn't sure, so I coated them inside and out with a thin layer of hi-temp grease.

Michael, thanks for your review and your business. You will probably find it easier to the shackle bolts into the bushings if you lightly grease the bolts. A small amount of lubrication will both aid installation and provide a degree of lubrication for the whole assembly. You can use a general-purpose lithium grease like L11316.
-- Etrailer Expert Laura E - 02/07/2017
The parts I bought from you to repair the suspension on our live stock trailer did the trick of getting it roadworthy. We dont use it often, but the couple times weve had it on the road since the repairs have been uneventful and thats a good thing when you have a couple tons of beef on it.
Michael - 02/05/2018


Exactly what I need to replace the worn out bushing I had.


Worked very well. Ordered oversize bushings on the OD for the front of the springs as the old bushings were hammered out and the eye holes were oversize. I turned them down on my lathe and got a nice custom fit on both sides.


I ordered a fender, springs,8 and misc parts for my magic tilt boat trailer to get it back in good condition. Everything was exactly what I ordered and worked great. The order was delivered in two days with free shipping The customer service was also very helpful (thanks Taylor ) Only place to go for your trailer needs.


You really need to replace these bushings when you do any work on the springs,
They are very easy to push out and reinstall.
Most of the bushings I replaced were very out of round. This should make my 5th wheel trailer track much better.

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Info for this part was:

Employee Lindsey S
Written by:
Lindsey S
Employee Robert G
Expert Research:
Robert G
Employee Michael H
Expert Research:
Michael H
Employee Jameson C
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Jameson C
Employee Adam R
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Employee Rachael H
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Employee Kathleen M
Video by:
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Employee Randy B
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