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  6. Square Axle - 1-1/2 Inch
CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc

CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc

Item # CE23102
Retail:$35.16
Our Price: $26.24
You Save: 25%
Trailer Leaf Spring Suspension
Shipping Weight: 2 lbs
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Mount your square, 1-1/2" 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 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc part number CE23102 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (306)
  • Q & A (0)
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CE Smith Trailer Leaf Spring Suspension - CE23102

  • U-Bolt Kits
  • Boat Trailer
  • Snowmobile Trailer
  • Square Axle - 1-1/2 Inch
  • 3-3/8 Inch Long
  • 2000 lbs
  • 3/8 Inch Diameter
  • CE Smith

Mount your square, 1-1/2" 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
  • Made in the USA


Specs:

  • Application: 1-1/2" wide, square axle
  • U-bolt dimensions:
    • Inner:
      • 3-5/16" Long x 1-5/8" wide
    • Overall:
      • 3-5/8" Long x 2-3/8" wide
  • Thread dimensions:
    • 2-1/2" long x 3/8" diameter
  • Mounting plate dimensions: 3-3/8" long x 3" wide
  • Kit includes:
    • 4 U-bolts
    • 2 U-bolt plates for 1-3/4" springs
    • (8) 3/8" Hex nuts and washers


Mounting plate dimensionsU-Bolt dimensions


23102 CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc




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Customer Satisfaction Score:


Customer Reviews

CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc - CE23102

Average Customer Rating:  4.8 out of 5 stars   (306 Customer Reviews)

Mount your square, 1-1/2" 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:

Fit around axle is good but bolts could stand to be at least an inch longer, only tighten up flush with plate under my 5 leaf springs, could not use lock washers had to use red Loctite.



by:

I did a complete overhaul and upgrade on my boat trailer. I put stiffer springs on and this bolt kit was a must have. e trailer was the only place that had enough inventory to get me the right size ubolt. Has been flawless in use.



by:

I was able to locate what I needed without a part number because of the efficiencies of your search engine and thorough description of the product. I’d been to a half dozen local locations before checking with you. Shipping was timely, so it worked out well, thanks.



by:

Looks to fit fine. I upgraded the nuts and washers to grade 8s.



by:

Just ordered another set. Build my own axles with spindles and hubs from e trailer along with 1 1/2 " square tubing. This u bolt kit is complete and the best price I have found. Picture wont show the u bolts but it will show you what I do with them.



by:

works good with leaf springs.



by:

My old u bolts and leaf springs were rusted through so bad I had to cut them off. I had such a hard time finding replacement parts for my little boat trailer with such a small 1 1/2 inch axel. This was exactly what I needed! Fit perfectly with my New 24 5/8 x 1 3/4 inch leaf springs.



by:

Ordered early Friday morning before business hours. Parts arrived the following Wensday afternoon via UPS.

The only concern I had with the two springs I ordered was the cheap nylon bushing they came with. I would have preferred neoprene but the springs were stamped made in China so......

Springs and hanger kit I ordered went together and look good.



by:

This kit worked well for mounting 1 1/2" guide-ons on my trailer but they are not going to last long for my salt water application. Only the plate (which I didn't use) is zinc plated. The U-bolts, nuts and lock washers are plated with something but they are not zinc plated as indicated in the description.

Etrailer Expert

Jenny N.

8/2/2022

I had the u bolts pulled from the warehouse so that I could take a look at them. The u bolts that I saw still had the zinc plated finish.



by:

They worked great. Replaced my old rusted axle brackets with ease. And for a lot less than what the local trailer shop wanted to charge.



by:

every thing worked fine the only problem that i had was the u bolts needed to be about 1/2 inch longer. i could not use the lock washer's



by:

Year after install still good



by:

Excellent service and delivery



by:

Just what I needed to finish the job thanks again



by:

Great product great service great communication highly recommended



by:

Replaced rusty springs on a 14' skiff trailer. Fit perfect, DIY for cheap in the driveway, it would've been easier with an impact wrench. Take their advice, etrailer is the best for a reason, get ALL NEW HARDWARE TOO!! I broke several fasteners removing them, if the springs are bad, so is the hardware. I have done three hitches and a set of leaf springs now with these folks. Their install videos and expert advice made it a breeze to save probably a couple thousand in labor at a shop.



by:

The U bolts were to short. I asked for help from your company. I got thank d for asking a question but received. No help. As it turns out I had to go to a local spring shop and get U bolts I can use. If you’re going to have a help line. Maybe they should actually try to help

Etrailer Expert

Brooke M.

5/25/2022

I am glad you ended up finding what you needed. For future reference, you would need to get measurements of the width of the axle and the leaf springs. Part # SP01-120 is similar to this one but the U bolts are taller.



by:

Good quality product



by:

This was second time I purchased a trailer axle from etrailer. Your website is excellent for both getting the right part and installing it correctly. The parts were reasonably priced, excellent quality, and were shipped fast. Thank you!



by:

Shipped fast came earlier then expected



by:

Made it easy to flip my axle and lower my 1956 boat trailer.



by:

Good quality hardware.



by:

The quality and workmanship seems fine on these. The width of my leaf springs caused the u-bolts to be slightly canted but no big deal. 9All is good and these worked great to attach my replacement axle to my old trailer.



by:

Since I was replacing all 4 leaf springs on our trailer ,it made sense to replace ubolts and plates. Was easy to find what i needed on website. Price was great. Made project simple.

Warren

2/19/2019

4 new leaf springs and new mounting hardware, puts your mind at ease traveling. Very easy to find correct replacement parts .



by:

Great they do the job better then oem.


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Show More Reviews

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

  • Dimensions Of The CE Smith Ubolt Kit # CE23102
    The CE Smith U-Bolt Kit for Mounting 1-1/2 inch Square Trailer Axles - 3-3/8 inch Long U-Bolts - Zinc # CE23102 is 3-5/8 inches long, and the thread length is 2-1/2 inches in length per the manufacturer. I attached a review link video below.
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  • What Does the CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles # CE23102 Come With
    The CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles # CE23102 that you referenced includes two u-bolt plates, 8 nuts and washers, and 4 u-bolts. In other words it comes with two sets and not just one like you asked.
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  • Thickness of Plate on the CE Smith U-Bolt Kit # CE23102
    I spoke with my contact at CE Smith and they informed me that the plate of the CE Smith U-Bolt Kit # CE23102 is 1/4 inch thick.
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  • Thread Length of the U-Bolts of the CE Smith U-Bolt Kit CE23102
    I spoke with my contact at CE Smith and he informed me that the threaded portion of the U-bolts of the # CE23102 are 2-1/2 inches in length.
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  • Replacement Leaf Springs and U-Bolt Kit for Small Boat Trailer with Square Axle
    We definitely have replacement suspension parts for your light boat trailer. Attached is a link to our selection of leaf springs for a 2,000 lb trailer axle. These are 3 and 4 leaf springs and to select the correct one you'll need to measure the distance from the center-eye to center-eye of your current leaf springs when the load is taken off of them. For a U-Bolt kit it looks like the CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles # CE23102 will fit the bill. Attached is...
    view full answer...
  • Replacement U-Bolts Compatible with CE Smith U-Bolt Kit for 1-1/2 Inch Square Axle
    The CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc # CE23102 unfortunately doesn't have direct replacement parts outside of the kit. The Replacement U-Bolt with Nuts for 1-1/2" Wide, Square Trailer Axles - 1/2" Diameter # 1753223 is the closest we have to what you are seeking but it is not zinc plated and is 5 inches long.
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  • Square U-Bolt Kit for Mounting Leaf Springs SP-177275 to 1-1/2 Inch Square Axle
    You have done your homework because you are on the money with the correct U-bolt kit to mount the 2-Leaf Slipper Spring w/ Radius End for 1,000 lb Trailer Axles - 24-5/8" Long # SP-177275. The kit you mentioned, the CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles # CE23102 will work wonderfully for this application so you're all set. I have added links below to video reviews of both products as well if you'd like to check them out.
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  • Availability of U-Bolt Kit for 1-1/2 inch Trailer Axle
    For 1-1/2 inch square axles we have the axle u-bolt kit part # CE23102 which comes with mounting plates as well.
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  • Recommended Jet Ski Trailer Leaf Spring U-Bolt Mounting Kit for 1-1/2 Inch Square Axle
    Recommended U-bolt Kit for square 1-1/2 inch axle and # SP-113275 springs is the CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts - Zinc # CE23102. This will work much better than the u-bolt that is simply used diagonally in your current photos. These are plates are galvanized and the hardware is zinc plated so they are ideal for your Jet-Ski trailer as they resist rust and corrosion.
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    Image 1 for Image 2 for
  • Replacement Leaf Springs and U-Bolts For Karavan 1,000LB Single Square Axle Boat Trailer
    The 2-Leaf Slipper Spring w/ Radius End for 1,000-lb Trailer Axles # SP-177275 are going to be the closest to what you have. Depending on the exact location your red string in relation to the end of the radius spring this may account for some of the difference in the measurements. You do appear to have plenty of clearance in your fenders if the springs are not as tall. Be sure to not reuse your current U-bolts as they appear to be for a 2" axle. The CE Smith U-Bolt Kit # CE23102 is specific...
    view full answer...
    Image 1 for
  • Recommended Options for Height Adjustment on 1,800 lb Axle
    You can mount the CE Smith Trailer Axle w/ Idler Hubs - 5 on 4-1/2 Bolt Pattern - 57-1/2" Long - 1,800 lbs # CE33201GA-HUB in an overslung axle position. You will simply need to use a U-bolt kit like # CE23102 but with longer U-bolts. We unfortunately do not have that hardware but you will want the bolt plates for 1-3/4 inch springs.
    view full answer...
  • Removing Square Axle from Leaf Springs to Replace Axle on 5x8 Trailer
    On square axles, there is traditionally a hole that the leaf spring has a nub that fits in to act as that securing point that a spring seat on round axles would and then the u-bolts secure the axle to the springs. You can see this on the CE Smith Trailer Axle Beam with EZ-Lube Standard Spindles - Galvanized - 57-1/2" Long - 1.8K # CE33201GA and photos on part # CE23102. There is often a need once the u-bolts are removed to use direct downward force or even a pry bar to separate the springs...
    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.
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  • 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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  • 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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  • Compatibility of 3500 lb Double Eye Springs on 1-1/2 Inch Square Trailer Axle
    The 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long # e54SR would be a little firm if you are hauling the trailer without a snowmobile, but with one or more it would be fine. The additional weight capacity of the spring will not enhance your trailer's overall capacity. This is because you would still be limited by the weakest part of the system very likely your axle. I recommend using the CE Smith U-Bolt Kit for Mounting 1-1/2" Square Trailer Axles - 3-3/8" Long U-Bolts...
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  • Can Square Axle be Replaced With Round Axle & How to Find Right Axle
    You can replace your square axle with round axles, but you would need to replace both axles instead of just one to ensure you have the same length axles, which will ensure your suspension and tires wear evenly and avoid problems. In order to choose the correct replacement axle for your trailer you will need to know the dimensions of your current axle's hub face to hub face and spring center to spring center; I have added a link below to a video which walks you through how to measure....
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  • Replacement Trailer Leaf Springs With A Reverse C Shaped End For A Boat Trailer
    The closest option we have to your "reverse C" style slipper spring would be the 4-Leaf Slipper Spring w/ Open Eye End for 4,300-lb Trailer Axles # SP-264275, which is 26-1/4" long. I recommend taking a second look at your current leaf springs and double checking the measurements to see if this will be a compatible fit. Since you'll be replacing your leaf springs I also highly recommend replacing your U-Bolts since these tend to bend and mold to the axle and are typically pretty hard...
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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...
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  • Square U-Bolts to Use with CE Smith Axle
    CE Smith has a u-bolt kit part # CE23102 that was designed to be used with their axle part # CE33201GA-HUB that you referenced. This is the correct square size U-bolts for this axle.
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  • 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...
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  • Availability of 3 x 4 Inch Axle U-bolts
    Are you speaking of an axle U-bolt that joins the leaf springs to the axle? Is the width you mention the overall width of the U-bolt, or the inside width? We do offer a U-bolt kit similar to the # CE23102 kit you'd looked at. The # CE23103 includes 1/2 inch diameter U-bolts that are 4-1/2 inches long that have an inside span of 2-1/8 inches and an outside width of 3-1/8 inches as shown in the provided photo. CE Smith doesn't offer the U-bolts as a separate item, they're only available...
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  • Replacement 26 Inch Long Leaf Spring and U-Bolt Kit for Lightweight Square Axle Trailer
    We do have some parts that will work for your application! For leaf springs you'll want to choose one of the following based off of the weight capacity: 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - # e77SR 6-Leaf Double-Eye Spring for 4,500-lb Trailer Axles - # e27SR Then for a U-Bolt kit we have the CE Smith # CE23102 designed for 1-1/2" square axles. Attached are some videos for you to check out.
    view full answer...
  • Recommended Slipper Spring for Custom Kayak Trailer
    Thanks for the photos with measurements. The 2-Leaf Slipper Spring w/ Radius End for 1,000-lb Trailer Axles - 24-5/8" Long # SP-177275 are rated for 500lbs each for use with a 1000K axle. This will work with the inside to inside measurement you are seeking. You will simply need the 9/16 inch bolt # 166079. If there is any extra space in the hanger it won't be an issue with the bolt and bushing.
    view full answer...
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Do you have a question about this Trailer Leaf Spring Suspension?


Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
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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