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Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter

Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter

Part Number: TRSS238
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The spring seat is a necessary component of your trailer's suspension system. When mounted with 1-3/4" or 2" wide leaf springs, it adds extra support and provides proper positioning for the axle. Great Prices for the best trailer suspension parts from TruRyde. Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter part number TRSS238 can be ordered online at or call 1-800-940-8924 for expert service.
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TruRyde Trailer Suspension Parts - TRSS238

  • Spring Seats
  • Boat Trailer
  • Camper
  • Car Hauler
  • Snowmobile Trailer
  • Utility Trailer
  • Round Axle - 2-3/8 Inch
  • TruRyde

The spring seat is a necessary component of your trailer's suspension system. When mounted with 1-3/4" or 2" wide leaf springs, it adds extra support and provides proper positioning for the axle.


  • Welds onto round, 2-3/8" diameter axle (typical 3,500-lb axle)
  • Works with 1-3/4" or 2" wide spring
    • Cutout on flat side of seat surrounds raised knob on leaf spring to prevent turning or shifting
  • Provides extra support and secure positioning for trailer axle
    • Please note: 2 spring seats are required for each axle


SS-238 TruRyde Spring Seat - 2-3/8" Round Axle

Replaces 3-43 Spring Seat - 2-3/8" Round Axle

Video of Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter

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

Video Transcript for TruRyde Trailer Suspension TRSS238 Review

Today we're going to be taking a look at this spring seat for typical 3,500 pound round trailer axles with a 2 3/8" diameter. The spring seat is a necessary component of your trailer suspension system when mounted with a 1 3/4" or 2" wide leaf spring. It adds extra support and provides proper positioning for the axle. It's made from a durable steel construction. It would weld onto a 2 3/8" diameter axle which is a typical 3,500 pound axle. It sits on top of a 1 3/4" or 2" side leaf spring. The cutout on the flat side would surround the raised knob on the leaf spring to prevent turning in or shifting.

It simply provides that extra support and secure positioning for the trailer axle. Please note that two spring seats are required for each axle. A few measurements to go over with you real quick starting with the overall length. It's going to give us a measurement of 4" long. Overall width, it's going to measure about 1 7/8" wide. Height is about 1 1/4" tall, and this opening right here of this rounded area at the widest point, that's going to give us a measurement of about 2 1/8".

That's going to do it for today's look at the spring seat for typical 3,500 pound round trailer axles with a 2 3/8" diameter.

Customer Satisfaction Score:

Customer Reviews

Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter - TRSS238

Average Customer Rating:  4.8 out of 5 stars   (204 Customer Reviews)

The spring seat is a necessary component of your trailer's suspension system. When mounted with 1-3/4" or 2" wide leaf springs, it adds extra support and provides proper positioning for the axle.


It looks like it will fit my 1954 Jeep CJ3-B Dana 44 axle tube, although it is 1/8" wider than ideal.

Bob T.




Spring perches as described


Worked great for my camper axle


When I recieved the product I was ready and excited to get it installed. I had to do an axle flip to gain frame clearance on my custom jeep trailer build and needed new axle perch mounts. After I triple stitch welded the steel It was a perfect fit, and a year later no problems and holds great.


Great to get these high quality suspension parts to finish the axle modification on my travel trailer. The thick gauge of the metal makes it easy to weld the parts in place. I appreciate that they were available without having to buy a entire axle tube assembly!



Sturdy material made this Seat easy to weld on, and it wont collapse under load. Glad they are available.

Etrailer Expert

Mike L.


@Russ We're glad to hear that the # TRSS238 TruRyde spring seat worked well for you!


Perfect for installing updated axle in my 54 Chevy 3100. Thanks for the quality product and quick service.


Fit great exactly what I needed.


So when the order arrived I received only one spring seat to do an axle and when I called customer service the young lady was rude and made me feel stupid for not seeing the fine print that said I only get 1/2 the materials to do one spring. This year I have vowed to stop doing business with these type of companies that charge high prices and use underhanded tactics to do business. I will not be returning this because they want me to pay shipping and I also will not be ordering anything else due to the way they treat customers like they have the monopoly.

Etrailer Expert

Sierra K.


A manager will reach out to you.


Everything looks good haven’t started p roject


So far so good , installation went well, used it several times with a good load no problems yet


I bought springs, mounts and Tailight kit to fix up a rusty utility trailer. I cut, weld scraped and painted for the better part of a month in spare time. The springs and mounting instructions on e trailer are excellent. Only issue/shortcoming are the tail lights. Wire just pushes in and spring loaded strip holds them. I soldered and sealed the connection with silicone. So far that salt covered roads haven't hurt it in winter. The folks at etrailer are very helpful and prices are a good value.


These worked like they should with the axle and u-bolts.


worked perfect for what they're designed to do


I used the seats to reposition my springs from the lying under the axle of my TT to sitting on top of the axle. This gave me about 4.5 in of additional much needed ground clearance.
The cut and sizing of the seats was spot on and made for and easy axle flip.
I opted to use these and the U-bolt and plate kit instead of the Dexter spring over kit and saved about $50. I did the entire job start to finish in 3 hours.
One thing to note is that if you are looking to flip the position of your axles from the top to the bottom like I did. You are also going to have to lengthen your brake lines also.


Very satisfied with the product. I recently purchased 2 new dextor axles locally which came with springs mounted underneath. My application required the springs to be mounted on top of the axle and so I intended to remove the springs, flip the axles over, and bolt the springs back on. Unfortunately I realized this could not be done due to the axle tube being factory cambered (bent slightly upwards) and so i then searched and found these spring seats at a reasonable price and fit perfectly. It was by far easier to leave the original seats in place as guides and weld these new seats on. Also of note these seats are slightly larger than the factory Dextor seats. Thank you for a great product and quick shipping.


Product is an excellent, cost efficient way to get the ground clearance needed for your single axle camper. I gained 5.5 inches of clearance at the lowest hanging plumbing parts which allows me to pull my camper over water bars and roadside swales. Also, had to upgrade to a two-step staircase to accommodate access to camper with the new height.
Simple install if you have access to a welder. No other parts/materials needed.


This product fit perfectly to the axle I had.
I didn't get a good picture but if you look closely you can see one of them.


These are an awesome upgrade to your trailer with 13" tires
These went on a Coleman tent trailer. This is the big one with all the stuff making it heavy. The old load range C tires look like it was run on the sidewalls of the tire as the trailer is heavy. The new load range D tires with the extra 15 psi (65) made the difference. Looks normal now. I also ordered the 3,500 axle leaf spring perches. Going to weld them to the top of the axle to mount the springs above the axle. This gains 4.25" lift. Needed as it drags just going out of the driveway lol


Great price, arrived in a very timely manner, quality of materials is great. I'm very happy with mu shopping experience.


2 3/8" spring pads, welded on. Were great for swapping axle over to axle under setup. Achieved 5 1/4" lift making my fifth wheel taller. Tall enough for a newer truck with taller stance.


Exactly what was needed.


The set of springs I purchased for a dump trailer definitely fixed the problem of one broken spring and one very worn out spring. The springs, axle u-bolts were all the perfect fix and replaced perfectly. Ordering another set now AND a rear axle I was so pleased with the outcome. Thanks etrailer!


Rebuilding a home made trailer, we used it to haul large round bales. Needless to say was getting pretty rough. We are planning on using it to haul our UTVs now so we are down grading from a 15000 lb trailer to a 10000 lb trailer. We purchased 3 used 3500 lb axles and with the kits we purchased from you it has made the swap over very easy, everything fit prefect, Thanks


Great fit, they went on like original. I had to flip the axles to raise the trailer a bit to ride level with my tow vehicle. Pulled the axles, lined up the new seats and welded them on and reinstalled. Fast packing and shipping. Impressed with etrailer and will be buying from again.


Seems to be a perfect replacement to the original - maybe in the spring time I'll get them installed.



Absolutely Fantastic

Show More Reviews

See what our Experts say about this TruRyde Trailer Suspension Parts

  • Option for Moving Spring Seat of 89 inch Trailer Axle
    We cannot move the spring seats here on our 89 inch axles like the # e95SR that you referenced and we only have options that are spaced 74 inches apart like this one. In order for you be able to use this axle you'd have to have new ones welded on like the part # TRSS238.
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  • 3,500LB Trailer Axle With 5 on 4-1/2" Bolt Pattern & 4" Drop With Electric Brakes 81" Spring Center
    Based on your hubs it sounds like you have a 3,500lb axle since you have the 5 on 4-1/2" bolt pattern. It sounds like the Trailer Axle # e45SR is the size you are needing. This has a hub face spread of 95" and the spring seats are 80" on center. These can be removed and new Seats # TRSS238 welded on to the 81" measurement you need which will prevent the additional cost and wait if special ordering an axle.
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  • Replacing A 3.5K Trailer Axle With 4" Drop, 95" Hub Face and 78-1/4" Spring Center
    We have two options that will be very close to your specification, options that very well may work for you, but will not be an exact match. The first option is the etrailer Trailer Axle Beam # e95GR. This has the 3.5K capacity 4" drop and 95" hub face that you are looking for. The spring center on this axle is 79-1/4". What we would do is sell you two loose spring seats # TRSS238. You would need to take the axle to a welder and have them remove the spring seats and weld the new ones on...
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  • Replacement Axle For Yacht Club Jet Ski Trailer With 89" Hub Face & Idler Hubs 5 on 4-1/2"
    While we do not offer a square axle we do have the Round Axle # e65GR which will fit your trailer. This has the 89" hub face to hub face and idler hub with 5 on 4-1/2" pattern you are needing. The spring center to spring center is 74" or you can have 2 new Spring Seats # TRSS238 welded on at the correct mounting width for your springs. You will need the U-Bolt Kit # CE23002 to install these axles since they are 2-3/8" round.
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  • Do You Have a 3,500LB Axle with 4" Drop and 5 on 4-1/2" Bolt Pattern with Electric Brakes, 95" Hub F
    All of our 3,500LB, 4" drop axles with 95" hub face like our etrailer Axle # e45SR you found are going to have a 80" spring center. As we do not offer custom axles you can easily have the springs seats removed and 2 new Seats # TRSS238 installed at your 81" spring center. This is typically cheaper and much faster than ordering a custom axle from a local dealer. I recommend upgrading to the U-Bolt Kit # CE23002 with galvanized spring plates and zinc coated hardware to resist corrosion.
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  • Replacement 3,500 Pound Axle With 68-1/2" Spring Center for 2018 Grand Design Imagine Travel Trailer
    The spring center length on your current axle does not matter when it comes to finding a replacement. The most important piece of information is the length of the axle, which is the hub face to hub face measurement. As long as the hub face measurement matches up you can adjust the spring center by cutting off the existing spring seats and welding on # TRSS238. If your hub face measurement is 89" then you could use the Trailer Axle Beam with Easy Grease Spindles - 89" Long - 3,500 lbs #...
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  • Spring Seats for Axles
    If by spring pads you mean spring seats, then no we do not sell axles without spring seats. We do sell spring seats separately in varying sizes depending on your axle diameter. I have linked our entire selection below. The Dexter Trailer Axle w/ Electric Brakes - 4" Drop - E-Z Lube - 5 on 4-1/2 - 95" - 3.5K item # 7685269-EB you were looking at would use the Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter item # TRSS238. If I am mistaken and this is not what...
    view full answer...
  • How To Make It So Axle Has Spring Seats On Top Of Axle So Axle Is Underneath Leaf Springs
    I would be happy to help, but we do not offer any axles with the the spring seat mounted on the top of the axle. There is a work around to this but I will need to know what size axle you are needing for your trailer, as I am unable to determine the correct axle based on just the trailer model. You will need to measure your axle from hub face to hub face, spring center to spring center, and determine the axle rating of the axle. To find the axle rating you will need to look on the axle...
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    Image 1 for
  • Recommended Replacement Parts for a Travel Trailer With 3.5K Axles
    I believe we have just about everything you need, ideally we'd need you to measure your center bolt and u-bolts to make sure the here will fit. So, for a center bolt you can use the Leaf Spring Center Tie Bolt with Nut # 38-3TB which measures 3" long and is 3" in diameter. If you need something different let me know what size bolt you need and i'd be happy to find something else. For u-bolt replacements, you can use the 2-3/8" Round Trailer U-Bolts # SP01-040 which should fit your axles,...
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  • How to Find Replacement Axle for Hurricane HUR 2178 Boat Trailer
    Finding a replacement axle will require measuring your current axle. Specifically, the hub face to hub face measurement. I would say based on the GVWR it is a 3,500 lb axle. It could possibly be a 3,000 lb axle depending on what they figured for tongue weight, but that would be obsolete so you're looking at 3,500 lbs either way. We only have two length options for 3,500 lb axles so I'll list them below. If you switch from a 3k axle you will also need new hubs. You can choose from the following:...
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  • Mounting Hardware Needed To Install 3,500LB Axle & Double Eye Leaf Springs on a Torsion Axle Trailer
    Here is a list of suspension kits we have that contain the hangers, shackle straps and mounting bolts for the leaf springs. Single-Axle Trailer Hanger Kit 1-1/2" Front, 1-1/4" Rear # APS2 Single-Axle Trailer Hanger Kit 3-1/4" Front, 7/8" Rear # APS5 Single-Axle Trailer Hanger Kit 1-1/2" Front, 7/8" Rear # APS1 Here are kits for just the spring hangers. Single-Axle Trailer Hanger Kit 1-1/2" Front, 1-1/4" Rear # APS3 Single-Axle Trailer Hanger Kit 3-1/4" Front, 1-1/4" Rear # APS4 We...
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  • Replacement Axle for E12RB Econ Trailer
    From what I was able to find about your E12RB Econ trailer it looks like you have a 3,500 lb axle. You will need to verify the capacity. In order to choose the correct replacement, you will need the capacity as well as the hub face to hub face measurement. See the attached picture that shows where to measure. If you find that your current axle measures 89" and has a 3,500 lb capacity you could use the Trailer Axle with Idler Hubs # e65GR you were looking at. If you can match up the spring...
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    Image 1 for
  • Accuracy Of Axle Spring Center Measurements For Dexter Axles
    In my experience these spring center measurements have always been spot on from Dexter. You can be assured that the 74" spring center measurement on the Dexter Trailer Axle Beam with Standard Spindles # T3584F-8974 will be accurate. You can have the Spring Seat # TRSS238 moved to match your spring mounts or if able to move your spring mounts to match the spring center measurement of the axle. If you need help selecting brakes or hubs for this axle please let me know your application...
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  • Can The 95" 3,500LB Dexter Axle # 7359765 Have New Spring Seats Welded On at 78"?
    The 95" Dexter Trailer Axle # 7359765 requires a minimum overhang of 11.25" and maximum overhang of 18". You will be able to weld on new Spring Seats # TRSS238 at 78" as that puts you at 17" and still within the total overhang allowable from Dexter.
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  • Replacement 3,500LB Trailer Axle With 89" Hub Face, Idler Hubs, Leaf Springs and U-Bolts
    For your axle we have the Trailer Axle with Idler Hubs # e65GR. This axle has a hub face measurement of 89" and includes idler hubs with a 5 on 4-1/2" bolt pattern. If you require a different bolt pattern please let me know. The axle has the spring seats mounted 74" on center. You can remove the current spring seats and have 2 new Spring Seats # TRSS238 installed between 71" and 77-3/4" on center if yours are not 74" on center. For double eye leaf springs you will need to select the correct...
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  • Replacement for 94" Long 3,500 Pound Lippert Axle
    It looks like your current axle is a 3,500 lb axle that measures 94" hub face to hub face with an 81" spring seat measurement. Although we do not have a 94" axle, you can use the Trailer Axle Beam with Easy Grease Spindles - 95" Long - 3,500 lbs # e68GR which will stick out 1/2" farther on either side but not cause an issue. This axle will also work with the # AKHD-545-35-EZ-K you looked at. One thing you will need to do is cut off the spring seats and weld on new ones like the # TRSS238...
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  • Replacement Axle Options For a Concession Trailer Having 95" Hub Face, 4" Drop and 76" Spring Center
    With your axle being a 2-1/2" diameter it sounds like you will need either our etrailer Axle # e45SR or the Dexter # 7685269-EB. Both of these are 3,500lb axles with the 4" drop a 95" hub face and electric brakes included. You will only need to have 2 new Spring Seats # TRSS238 welded on the axle at the 76" spring center you are needing. The current spring seats are welded from the factory at 80" but you are able to move them as not all trailers will have the same measurements. I do recommend...
    view full answer...
  • 3,500 lb Axle And Leaf Spring Setup - What Parts Do I Need?
    We can set you up with all of that. We do offer a 3,500 lb 95" hub face axle # e68GR. The spring seats on this axle are at 80", so we can sell you a few loose spring seats # TRSS238 and you can have them attached at 76". We can also provide new U-bolts # CE23002 for mounting the axle. We can get you some electric brake assemblies # AKEBRK-35-SA and hubs # AKHD-545-35-G-EZ-K to go with it. The hubs have the standard 5 on 4-1/2" bolt pattern. We can also set you up with springs. If you...
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  • Dexter Replacement 3,500LB Axle With 89 Hub Face, 70 Spring Center and 4 Drop Spindle
    The Dexter Trailer Axle Beam with 4" Drop E-Z Lube Spindles # 8327812 is going to be the closest to the Dexter axle you described. This axle has a 89" hub face to hub face measurement with a 4" drop spindle and underslung design. The axle is rated for 3,500lbs and the spring seats on the axle measure 74". You can weld on some new Spring Seats # TRSS238 to the 70" measurement that you are needing. I do recommend new U-Bolts # APUBR-1 as your current bolts will likely have corrosion. Two...
    view full answer...
  • Recommended Replacement Axle for 3,500 Pound Axle Measuring 95 Inches Hub Face to Hub Face
    The correct replacement axle for your trailer is the Dexter Trailer Axle Beam with E-Z Lube Spindles - 95" Long - 3,500 lbs # 7359765. Although this has a spring seat measurement of 80" you can change that. What you will need to do is remove the spring seats on the axle and weld on new ones like the # TRSS238 using your 78" measurement.
    view full answer...
  • 95" Lippert Replacement Axle w/ Replacement Spring Seats
    I would be happy to help you find a replacement axle but you won't be able to find one here with an 82" spring center. Like you said you are able to cut and relocate the spring hanger and since you have the ability to do so I recommend the 95" long Dexter Trailer Axle Beam with E-Z Lube Spindles item # 7359765 for a 3,500 lbs axle. If you decide to move the spring seats on the axles over the spring hangers on your trailer you will need the Spring Seat for Typical 3,500-lb, Round Trailer...
    view full answer...
  • Is Special Axle Needed for Mounting Under Leaf Springs?
    The Dexter Trailer Axle Beam # T3584F-EZ-8974 you referenced is an underslung design and you would need an overslung axle, though there is still a way for you to use an underslung axle. I assume you used an over/under conversion kit such as # K71-384-00 to move your leaf springs to the top of your axle. If so, you could still use those U-bolts and Spring Seat for Typical 3,500-lb, Round Trailer Axles with 2-3/8" Diameter # TRSS238 to place this axle on top of your leaf spring. Or, as I...
    view full answer...
  • Is there a Replacement Dexter Axle that Fits in Place of a 3,500 Pound Lippert Axle
    Is your axle actually bent or are you just seeing the bow that is supposed to be in the axle? A beam style trailer axle has a bow in it so the center of the axle is higher than either of the ends. When weight is on the axle it straightens out. This is part of how it gets its capacity. So if that is what you are seeing it is normal. If it is bent from damage or was overloaded then you would definitely want to replace the axle. To find the correct replacement there are some measurements...
    view full answer...
    Image 1 for
  • Spring Seats and Nut Coupling Available Separately for Over-Under Conversion Kit
    Hello! I am a bit confused by the question, but I believe you are saying you are going to be using the Dexter Trailer Springs Over-Under Conversion Kit # K71-384-00 on your trailer and want to know about the availability of spring seats and spacer nuts, correct? If so you do not need to purchase those separately because they come with the kit already. If you were asking about piecing together this kit, there are individual components available: - Spring Seat for Typical 3,500-lb, Round...
    view full answer...

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