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CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc

CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc

Item # CE23103
Retail:$57.55
Our Price: $33.79
You Save: 41%
Trailer Leaf Spring Suspension
Shipping Weight: 5 lbs
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Mount your square, 2" wide axle to your trailer's leaf springs with this U-bolt kit. U-bolts, plates, nuts, and washers included. Zinc plating resists rust and corrosion - great for boat trailers. Great Prices for the best trailer leaf spring suspension from CE Smith. CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc part number CE23103 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (454)
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  • Videos (1)
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CE Smith Trailer Leaf Spring Suspension - CE23103

  • U-Bolt Kits
  • Boat Trailer
  • Snowmobile Trailer
  • Square Axle - 2 Inch
  • 4-1/2 Inch Long
  • 3500 lbs
  • 1/2 Inch Diameter
  • CE Smith

Mount your square, 2" wide axle to your trailer's leaf springs with this U-bolt kit. U-bolts, plates, nuts, and washers included. Zinc plating resists rust and corrosion - great for boat trailers.


Features:

  • Mounting kit attaches trailer axle to leaf springs
  • Galvanized plates and zinc-plated hardware resists rust and corrosion
  • Includes:
    • 4 U-bolts
    • 2 U-bolt plates for 1-3/4" springs
    • (8) 1/2" Hex nuts and washers
  • Made in the USA


Specs:

  • Application: 2" wide, square axle
  • U-bolt dimensions
    • Inner width: 2-1/8"
    • Length: 4-1/2"
    • Diameter: 1/2"


23103 CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc




California residents: click here


Video of CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc

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




Video Transcript for CE Smith Trailer Suspension - Leaf Spring Suspension - CE23103 Review

Today we're going to be taking a look at the CE Smith u-bolt kit for mounting 2" square trailer axles. The mounting kit is going to attach a trailer axle to the leaf spring. The plates are going to be galvanized steel, then the hardware is going to be steel construction but that's going to have a zinc plated finish on it, so overall the unit is going to do a great job at resisting rust and corrosion. This kit is going to include 4 u-bolts, 2 u-bolt plates, and then it's going to come with the appropriate hardware, so you're going to get 8 hex nuts and 8 washers, and those are going to be lock washers. We can tell that this is designed for 1 3/4" springs simply by taking a measurement between this hole and this hole, and we can see that- that measurement is right at 1 3/4". Now the plates themselves going this direction we're looking at 3 3/4", and then going this direction it's going to have a measurement of 4". It does have the center hole for punch out on the spring.

Then right here for the u-bolts, a couple measurements I want to go over with these, these are going to give us an inner width, measuring inside edge to inside edge, of just over 2" so that's how we know that there are designed for a 2" wide square axle. Center on center those posts are going to be separated by 2 5/8". The length, measuring from the bottom of this area here to the end of the stud, that's going to give a measurement of right at 4 1/2". Then the diameter of the u-bolts, so the thickness right here outside edge to outside edge, there are going to be a 1/2" diameter. That's going to do it for today's look at the CE Smith u-bolt kit for mounting 2" square trailer axles.

Customer Satisfaction Score:


Customer Reviews

CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc - CE23103

Average Customer Rating:  4.8 out of 5 stars   (454 Customer Reviews)

Mount your square, 2" wide axle to your trailer's leaf springs with this U-bolt kit. U-bolts, plates, nuts, and washers included. Zinc plating resists rust and corrosion - great for boat trailers.

by:

Arrived well packed and as advertised.
I'm
going to pull the azle out of the boat trailer
and wanted to have this 'on hand' should I break
some of my U bolts. I've bought from you before -
always been happy, thanks



by:

Worked perfect for mounting a storage box to my boat trailer.



by:

Everything fit perfect. I had to replace the leaf springs on my boat trailer. I have a 24' fiberglass boat that is launched and retrieved in the salt water the original springs only lasted 7 years. The new springs are heavier duty and painted or coated with a better material. Over al very very pleased.

David

5/6/2023

After 1 year everything is still workong great.



by:

The 26” on center leaf springs that I just purchased were delivered quickly and worked perfectly on my trailer. The only issue was that I ordered 3” shackle bolts (my fault) but really needed 3 1/2” so I returned them to etrailer. The return process was very easy, they sent me a RMA # and the shipping label my email, and I just dropped it off at the UPS store. Great doing business with etrailer!!!!!



by:

Good product, fit as expected. One year in and ubolts are holding up great.



by:

Complete waste of time and money. I bought both springs, and this set of u-bolts plates from etrailer for a new 2" square axle. The u-bolts are too short. I'd suggest someone buy a new tape measure.
I also had to grind down the spring center bolt as it stuck out of the small adapter plate and kept the spring from seating correctly (used the adapter palte which came with the springs instead of drilling a big hole in my brand new axle.)

It is getting harder and harder to get the parts I need from these folks.

Now waiting for parts to come from another vendor.



by:

I used this kit to replace the rusted ones on my flatbed trailer. I also flipped it so the axle is on top of the springs to lower it for loading my lawn tractor. See before and after pics.



by:

Good parts but they will not fit on springs with 6 leafs. The ubolts are too short. You need 5” bolts or longer.



by:

WOW sums up my recent trailer part purchases. The u-bolts fit perfectly and are well made...see attached photo and of my trailer with new parts installed. Outstanding quality, price, lightning fast delivery, and exceptional customer service from order to drop off at my doorstep. Will recommend and order again. Well done, e-trailer, and Thanks.



by:

Fit my load rite boat trailer, bought with springs. Good quality!



by:

Will work with the springs I purchased, but beware if your spring pack is over an inch thick on a 2x3 axle, you will need longer u bolts. And I didn’t see longer than 4.5” offered at etrailer



by:

Excellent product, perfect fit for my older trailer. Great customer support via phone to confirm all measurements before buying. Very happy customer!



by:

Good Stuff



by:

Good stuff and a day early!



by:

Easy transaction. Quick delivery. Parts in good condition and fit/work well. Installed in less than 1 hour.



by:

Very helpful great customer service



by:

Perfect replacement for my 1971 Streamline Duchess spring over axle conversion



by:

Out standing as all was. shipping is out standing order them on Friday after hours they where at my door Tuesday the next week out standing shipping. I did the same thing with brake plates all ready to put in ordered Friday I was in Oregon at the time they was at my house the next Tuesday or Wednesday standard shipping is out standing a long with everything I got here.



by:

Perfect timing,and they have everything you need!



by:

Good setvice. Just what I ordered.



by:

Wth rusted out leaf springs on my trailer but with zero experience replacing them, I contacted etrailer and Shawn was very helpful in selecting the right parts and taking me through the process. She was patient in terms of helping me take the right measurements and suggesting the bolts and pieces I needed to do the job right.

Everything came well packaged and complete two days later. An hour after that the springs were in my trailer and now has a boat sitting on it.

Thanks!



by:

Good shipping time and well packaged. All items arrived intact. All parts are in great condition and fit perfectly.



by:

Good quality and fast delivery



by:

Good quality at great price, Set was shown "in stock" and was shipped the day of the order. Arrived a couple of days after I ordered it. Will definitely consider this site in the future for my trailer needs.



by:

Product is very well wrapped. The quality is outstanding. And fast delivery.


25
454
Show More Reviews

See what our Experts say about this CE Smith Trailer Leaf Spring Suspension

  • Recommended Axle Mounting Hardware for Square Axle
    It sounds like the axles were attached with 2 inch U-bolts that are 1/2 inch diameter which are a standard size so it sounds like the axles are compatible with a standard U-bolt kit like the CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc # CE23103. If this is the case, that is my recommendation. This will work well with 1-3/4 inch wide leaf springs. If I misunderstood and the 2 inch U-bolts were bent out to fit a 2-1/2 inch wide square axle, then...
    view full answer...
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  • Is There Way to Do Over Under Kit with 2 inch Square Axle on Trailer
    We have 2 inch square U-bolt kits like part # CE23103 which you could use, but we don't have spring seats for this axle size. So you would have to remove the spring seats on your axle and weld them on the other side and you'd be have an over-under kit that fits your axle. You might have to drill spring seats in the axle.
    view full answer...
  • How To Flip Square Trailer Axle For Ground Clearance
    It is possible to mount the springs on top of the axle which is called "flipping the axle". To accomplish this we normally recommend an over-under conversion however there is not one with square u-bolts available for your square axle. Instead I recommend to use CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc part # CE23103 which is galvanized for boat trailers. The U-bolts measure Inner width of 2-1/8" with a length of 4-1/2" and diameter of 1/2"....
    view full answer...
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  • What Is The Thread Length On The CE Smith U-Bolt Kit CE23103?
    I had our warehouse measure the CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc # CE23103 you were looking at and the thread length is right at 2" with a diameter of 1/2" and an overall length of 4-1/2". These U-bolts are going to have the longest thread length of any of our 2-1/8" wide U-bolts. I included a video of the # CE23103 for you to take a look at.
    view full answer...
  • Determining Need to Replace Trailer Suspension Components
    If your shackle links, shackle bolts and hangers are all in good condition - meaning no obvious deterioration, damage or evidence of holes having become egg-shaped from wear - you could re-use them. But in the scheme of things these parts' costs are fairly low so if you're going to the effort of upgrading your camper's suspension I suggest you eliminate any potential doubt/concern by replacing these items if you have any reason to think they're past their working lifespan. If you are...
    view full answer...
  • Can Axle Over Under Kit be Installed on Trailer with 2 inch Square Axles
    Axle flip kits are great options for raising the suspension of a trailer. Trucks weren't as tall back then as they are now so I'm not totally surprised your trailer is sitting so nose high. We have 2 inch square U-bolt kits like part # CE23103 which you could use, but we don't have spring seats for this axle size. So you would have to remove the spring seats on your axle and weld them on the other side.
    view full answer...
  • 2 inch Square Axle U-Bolt Kit Recommendation for a Boat Trailer
    The CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles # CE23103 that you referenced would work well for you as they are designed specifically for 2 inch square trailer axles like what you have. The weight of your trailer and boat would not be an issue at all.
    view full answer...
    Image 1 for
  • Can Nylon Lock Nuts Be Used On CE Smith U-Bolt Kit CE23103?
    While you could physically replace the lock washer and nut included with the CE Smith U-Bolt Kit # CE23103 with nylon lock nuts, I do not recommend doing so. Nylon nuts deteriorate overtime and can back off where the lock washer and nut included will stay tight, and are also what these U-bolts were tested and designed for. I included a video of the # CE23103 for you to take a look at.
    view full answer...
  • U-Bolt Kit For Replacing Leaf Springs On a Trailer With Square Aluminum Axle
    While I do not see we carry any slipper leaf springs close to your measurements we do have a couple U-bolt kits for you to select from with having a square axle. We have a kit for 1-1/2" Square # CE23102 or 2" Square # CE23103 axles. I may be able to help you find a viable replacement leaf spring to go to double eye or another type of slipper spring but I will need some photos of your hangers along with any weight capacity information on your trailer or axle.
    view full answer...
  • Needing U-Bolts to Fit Around 2x3 Trailer Frame Member
    Given the dimensions you provided, I believe that a u-bolt kit such as # CE23103 that's typically used to mount a 2 inch square trailer axle to the leaf spring pack would be your best bet. The kit includes two assemblies, each of which includes two 4-1/2 inch long 1/2 inch U-bolts with a 2-1/8 inch inside span, two bolt plates and the necessary nuts and lock washers. I've linked to a product description video for the U-bolt kit I recommended.
    view full answer...
    Image 1 for
  • Available Trailer Suspension Square U-bolts Kits
    We carry all sorts of parts for trailer suspensions, including U-bolts for both round and square axles of various dimensions. Our main pages for all trailer suspension parts and for U-bolt kits are linked. We have complete u-bolt/plate kits for 2-inch square axles, part # CE23103 which has an inside width of 2-1/8-inches. Depending on how you measured your u-bolt this may be the kit you need. We also sell u-bolts with hardware on their own, without plates, such as # CE15501A which is...
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  • Can 2" Square Axle on Cattle Trailer Be Flipped
    We don't have a full kit, but you can use the CE Smith U-Bolt Kit # CE23103. You will also need to cut off your spring seats and weld on the old ones or new ones to the top assuming your axle uses them. Spring seats for a 2" square axle are not something that we carry. Alternatively, you may need to drill a hole if that is what you have now instead of spring seats. It all depends on your current setup since it varies on square axles. Adding taller hangers like the # E4139 you looked at...
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  • Can Over Under Kit Fit 2 inch Square Axle on Trailer
    We have 2 inch square U-bolt kits like part # CE23103 which you could use, but we don't have spring seats for this axle size. So you would have to remove the spring seats on your axle and weld them on the other side and you'd be have an over-under kit that fits your axle. You might have to drill spring seats in the axle.
    view full answer...
  • Are Trailer Spring Seats Needed for Square Axles with Leaf Springs?
    Square axles normally don't have spring seats like a round axle but do have a hole for the leaf spring bolt to fit into. Take a look at the CE SMITH # CE33201GA-HUB for a visual. The U-bolt mounting kits will have a hole in the center for the other side of that leaf spring bolt to keep everything in line. If you have a 1-1/2 inch square axle use # CE23102. If you have a 2 inch axle use # CE23103.
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    Image 1 for
  • Can Round Trailer Axle be Replaced with Square Trailer Axle
    Yes, you can replace a trailer's round axle with a square axle as long as the weight capacity is appropriate. You will need a new U-bolt kit to connect the axle: 1-1/2 inch square axles # CE23102 1-3/4 inch square axles # 175130 for the U-Bolts and # 116308 for the plate 2 inch square axles # CE23103
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  • Recommended 30 Inch Slipper Springs and 2 Inch Square Axle Mounting Kit
    For your 2,000 lb square axle, I recommend the 3-Leaf Slipper Spring w/ Flat End for 2,900-lb Trailer Axles - 30" Long # SP-039275 which is a little stronger than your axle but won't increase your capacity of 2,000 lbs. This is a 30 inch long slipper spring with a 1.75 inch width as you stated. I recommend using the Spring-Eye Bolt with Locknut for Slipper Springs - 3-1/2" Long # 166079 with each spring. For your square axle mounting, I recommend the CE Smith U-Bolt Kit for Mounting...
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  • Replacement 30" Long Slipper Spring for Boat Trailer
    It sounds like you're looking for the 4-Leaf Slipper Spring w/ Flat End part # SP-040275 which is a slipper spring, 30" long x 1-3/4" wide, with four leaves. It can then be mounted on a 2" square axle with the CE Smith U-Bolt Kit part # CE23103. For the suspension bolts, we have the Spring-Eye Bolt with Locknut for Slipper Springs part # 166079.
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  • Replacement Leaf Springs and U-Bolt Kit for a 2005 Fabrique Dual Axle Boat Trailer
    It sounds like you're needing the 4-Leaf Double-Eye Spring for 4,000-lb Trailer Axles # e48SR along with the CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles # CE23103. The leaf spring measures 26" long center eye to center eye and has a Dacromet finish which is more resistant to corrosion than the classic black powder coat finish, especially when it comes to water. Just be sure that your axles aren't rated for higher than 4,000 lbs and that your axle isn't more than 2" square...
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  • Replacement Springs for Fulton Boat Trailer
    Your 32 inch springs were likely a little shorter than that originally and have flattened over time. It sounds like what you are looking at, the 4-Leaf Slipper Spring w/ Flat End part # SP-040275, a 30" long x 1-3/4" wide will work. If you need it, there's a U-Bolt Kit # CE23103 and for suspension bolts, the Spring-Eye Bolt with Locknut for Slipper Springs, # 166079.
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    Image 1 for Image 2 for Image 3 for
  • Replacement Leaf Springs for Wesco Boat Trailer
    For a 3,500 lb trailer axle leaf spring I would recommend the galvanized part # e68SR which is 25-1/8 inches long. Galvanized steel holds up a lot better to rust than standard steel and while this is a little shorter than what you have now worn out springs tend to flatten out and get longer over time. For a 2 inch square u-bolt kit then you'd want the part # CE23103 and you'd be set. To pick out an axle you would need to know the hub face to hub face dimension as well as the spring seat...
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  • U-Bolt Kits Available For Different Size Axles When Adding New Hangers
    Our U-Bolt kits are available separately due to axles having different sized and most hanger kits can be used with several different size axles. Here is a list of different size kits depending on your axle size. 1-3/4" Round Axle # CE23000 2-3/8" Round Axle # CE23002 3" Round Axle # CE23003 1-1/2" Square # CE23102 2" Square # CE23103
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  • Replacement Leaf Springs and Hardware for 2008 Venture Boat Trailer
    To find replacement leaf springs you will need to know your axle capacity along with the length of your current leaf springs. If you don't already know the axle capacity I would try checking the axle tag to see if it is listed. If not, you can call Venture with the VIN and they should be able to tell you. Once you have the capacity go ahead and measure the length of your leaf springs. This is the spring eye to spring eye measurement. I have attached an article below which has a video...
    view full answer...
  • Replacing Old Slipper Springs and U-Bolts
    Though the leaf springs are rusty, they do not seem to look pitted, so they should still be fine. It wouldn't hurt to clean them off with WD-40 or a rust remover to make sure they don't get worse. If you did want to replace them though, you could go with something like the Universal Group # SP-040275. As I couldn't tell 100% how wide the leaf spring is, this is a 1 3/4 wide one. It is also much longer with the overall length of 30 inches, so the rear hanger would most likely need to be...
    view full answer...
    Image 1 for Image 2 for Image 3 for Image 4 for Image 5 for
  • Replacement Leaf Springs for Harbor Freight Folding Trailer
    The best option we have for you is the 3-Leaf Double-Eye Spring part # e84SR with the Single-Axle Trailer Hanger Kit part # APS4. This option will replace the leaf springs and leaf spring hanger brackets which is needed because the new double eye leaf springs are 1-3/4" wide and the old slipper springs are 2" wide not to mention the length discrepancy and leaf spring hanger bracket height. The CE Smith U-Bolt Kit for Mounting part # CE23102 or part # CE23103 can then be used to complete...
    view full answer...


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Do you have a question about this Trailer Leaf Spring Suspension?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Updated by:
Wilson B
Employee Amanda M
Written by:
Amanda M

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