Lowest Prices for the best trailer suspension from Dexter Axle. E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers part number K71-652-00 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers

Item # K71-652-00

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  • Equalizers
  • Double Eye Springs
  • Leaf Spring Suspension
  • Suspension Enhancement
  • 5-5/8 Inch Long
  • Tandem Axle
  • Dexter Axle



Dexter Axle Trailer Suspension - K71-652-00


Features:

  • Replaces standard trailer equalizers in leaf spring suspensions
  • Delivers smoother towing than traditional leaf spring suspensions
    • Rubber core isolates and absorbs damaging road shocks before they hit the trailer frame and contents
  • Easy installation - no welding, cutting or grinding
  • Includes bolts, shackle links and rubber equalizers


Specs:

  • Replaces Dexter standard equalizer: 13-104
  • Tandem Axle Application
    • Axle spacing: 33"
  • Measurement of shackles from center of bolt hole to center of bolt hole: 2-1/4"
  • Capacity: up to 6,000 lb axles
  • 2-year limited warranty


K71-652-00 Dexter Easy Flex Heavy Duty Rubber Suspension System Kit for Tandem Axle Trailers - 5-5/8" Equalizers







Value - This item

E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers


E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers
Dexter Axle Trailer Suspension

68 reviews

Code: K71-652-00


Our Price: $240.63


  • Trailer Suspension
  • Leaf Spring Suspension
  • Suspension Enhancement
  • 5-5/8 Inch Long
  • Equalizers
  • Double Eye Springs
  • Tandem Axle
  • Dexter Axle
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  • 5-1/2 Inch Long
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  • Cushioned Suspension
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Video of E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers


Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.




Video Transcript for Dexter Trailer Suspension K71-652-00 Review

Today we're going to be taking a look at the E-Z Flex Heavy-Duty Rubber Suspension System. This system is available for tandem axle applications with part number K71-652-00 and for triple axle applications with part number K71-656-00. This is going to replace standard trailer equalizers and leaf spring suspensions. It is designed for 1 3/4" wide double eye leaf springs. This system's going to deliver nice, smoother towing when compared to traditional leaf spring suspensions. It's got this nice rubber core that isolates and absorbs damaging road shocks before they hit the trailer frame and the contents.

The rubber core's going to last a long time and won't be affected by the elements. It's a very simple installation. It does not require any welding, cutting or grinding of the trailer frame, and it's going to include all the hardware necessary for your installation. It's also going to come with detailed installation instructions. The system is made from a nice, durable steel construction. It's going to feature a protective finish to keep everything safe from the elements so you don't have to worry about rust or corrosion building up.

The system also offers multiple grease zerk fittings for easy maintenance, so you can see on all of the bolt heads as well as the actual equalizer components, we're going to have those zerk fittings. That's going to keep everything well-lubricated and quiet at all moving components, so that's a really nice design of the unit. This is a direct replacement for the Dexter standard equalizer 13-104, so if your equalizer has that number stamped on it, then this will work great for your trailer. If you can't find a stamped number or you have a different brand of equalizer, then you will want to take a few measurements to verify that this system will fit your application. For instance, your axle spacing on your trailer must be 33" apart on center, so from the center of one axle to the center of the other, you need a separation of 33". The distance between the lower bolt holes on this system, that's this one right here and this one right here, is going to flex between 5 1/4" and 6 1/4" and the bolt hole diameters are 9/16th of an inch on the system. If the spacing of the holes on your equalizer is between those measurements, then this will work for your trailer.

The shackle measurement, measuring from one hole to the other, center on center, is going to be 2 1/4" apart, and this is designed for axles that have a capacity up to 6000 pounds. Really nice design, very strong and durable design. I just want to go over what it's going to come with. It's going to come with these four bolts right here. They all have grease zerk fittings on them, and it's going to come with the brass bushings for those. These do have the splines on them, so it forces into the mounting location.

Then it's going to come with the nuts to get everything tightened and secured. These are going to be designed for the end of the leaf spring that does not connect to the equalizer. Then you're going to get your equalizers. Again, it is available for tandem axle applications and for triple axle applications. You're going to have your center bolt. This is going to connect to the center hanger, bushings already included there, and you're going to have the nut to get that tightened down as well. Again, that's going to have the splines on it also. You're going to get all of your necessary shackles. The bolts on those shackles are already pre-installed, so you don't have to worry about that. The other end of your leaf spring's going to connect right here. It's going to come with a brass bushing. I just went ahead and loosely installed it all so you can kind of get a good idea of how the unit's going to work. It's also going to come with all the necessary hardware to get all that tightened down. That's going to do it for today's look at the E-Z Flex Heavy-Duty Rubber Suspension System.


Customer Reviews

E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers - K71-652-00

Average Customer Rating:  4.7 out of 5 stars   (68 Customer Reviews)

- K71-652-00

by: Tim M04/18/2017


I found the hardware so much hardier then the original hardware. I read several articles about replacing the poorly equipped suspension hardware on campers that can leave you stranded and with a long camping trip coming soon I didn't want to take chances with the old suspension components and with the idea that the Dexter E-Z Flex system will help with smoothing the ride is why I went this way. Your sites reviews and installation videos were very helpful. My camper has LCI axles so I had to check through your reviews so make sure the E-Z Flex would work with my axles. I did find my answer and the E-Z Flex fit perfect. The directions that came with the E-Z Flex were only good for the torque settings. Your video was much more helpful. It took me longer then expected, mostly because I should of had heavier jacks and jack stands and had to improvise some. I haven't had the camper out on the road yet so I cannot comment on the ride, but it feels good knowing that I have a really good suspension under the camper now. Overall I am very pleased with the product and with your help selecting and installing it. 368934


- K71-652-00

by: Steph H03/22/2017


I was reading about suspension upgrades in an RV newsletter and I decided to check the Dexter EZ Flex out. After reading the reviews and viewing the installation videos on your website, I took some measurements and decided that these would work the best for my 2017, 28ft Pioneer Toy Hauler. It has tandem 4400# Dexter axles and springs and was a direct replacement for the stock equalizers. It took me 4hrs from the time I unpacked the parts to finishing the job. The installation video is right on and that made set up for the job pretty straight forward. Jackstands(4), a couple of 8t bottle jacks, air impact wrench/sockets, torque wrench, combination wrenches, lead hammer, grease gun, anti seize and some cribbing and you will be able to get the job done. The kit and parts are so much more robust than the stock hardware that comes with the trailer and should be much better than what came stock. I will report back once I get some miles on the road and tell you what I think of how it pulls and handles the bumps! 357303


- K71-652-00

by: Larry M10/05/2015


I think they will be great. They are installed and I will be traveling soon on the new suspension. Thank you etrailer for youyr good products RV manufacturers are totally missing the boat and have absolutely no regard to quality in regards to the cheap suspension parts they put into these trailers. It just does not make any sense to put such cheap bushings. As far as I am concerned the whole RV manufacturing industry are very inconsiderate of there retail customers. 229233


Comments

Smooth ride

Larry M - 10/04/2016

21428
- K71-652-00

by: Jeff S.06/27/2017


etrailer processes failed. I ordered this product on a Wednesday, during the check out process, I purchased 2 day shipping so it should have arrived on Saturday. It arrived on Monday because etrailer doesn't include Saturday delivery on Saturday. I purchased the same part from a big online store on Thursday night and got it on Saturday for $20 more. Don't purchase anything from etrailer with 2 day shipping past Tuesday. Go with the 3 day shipping. Its the same delivery schedule and you save $18 on shipping. I will never use etrailer again! Go somewhere else! The device when on great and fit perfectly. The trailer already seems very stable. 399486


- K71-652-00

by: joe a.03/17/2017


I installed the E-Z Flex Dexter K71-652-00 suspension system which was an easy afternoon task. Everything went together without any problems and was quite simple. We traveled on our first short trip of 650 miles with the new system and was great. The 30' KZ travel trailer road smoother and seem to handle better. I really recommend this system up-grade to all stock suspension systems with plastic bushings and steel equalizer. 355038


- K71-652-00

by: Doug W.07/07/2016


I put this set-up on both my tandem boat trailer and a 7,000# enclosed construction trailer. Prio to the boat trailer was experiencing a blow-out virtually every other trip. Thought I had a tire problem. After rebuilding the suspension system... Blow-outs are a thing of the past. Trailer tracks extremely well in curves at high speeds. On the construction trailer I had a spring eye bolt fall out after installing this kit. I have no idea how or why but I always give the trailer a look over any time I stop. Did a mcGyver to get it back to the shop where I installed a standard suspension bolt. Been going that way ever since... 269088


Comments

Some of the wet bolts dont lube well at all. But that was the case when new. Otherwise, all is good on both trailers. Still glad I made the upgrade.

Doug W - 07/07/2017

25752
- K71-652-00

by: Mike09/12/2015


Great product, better than the suspension system I have now. The the system just took two days for me to get. Thank you. 225108


Comments

Great

Mike - 09/11/2016

20903
- K71-652-00

by: Alfred04/21/2016


This product exceeded my expectations, with a few hand tools an electric impact wrench and an alignment pry bar, installation was a breeze. Did one side in an hour tonight, will do other tomorrow night 246409


Comments

Still going strong

ALFRED Q - 04/21/2017

23265
- K71-652-00

by: Mike G05/27/2017


So far so good. Survived the first 1000 miles since installation without any problems. The wet bolt system has quieted the suspension on the trailer considerably. No more low speed squeaks/squeals or groaning from suspension flex in tight turns and bumpy roads. The hard rubber baby buggy bumper pads between the opposing arms are holding up well and do absorb some of the road hazard shock rather than transferring the impact directly to the trailer frame and contents. Really big bumps still rearrange the contents in the back of the trailer, but everything rides nice otherwise. 385807


- K71-652-00

by: JimDogs12/08/2016


I installed this Dexter E-Z Flex om my Keystone Cougar in about 5.5 hours in my driveway. I also installed the complete wet-bolt kit at the same time. I have taken many trips since installing this, including a trip from Cali to Yellowstone and back, and I have to say the quality of the ride has improves so much that it is near perfect! The rough roads and pothole are handled so much easier and I have less fatigue at the end of each days drive. Getting under the rig to lube these has been very easy and keeps things smooth and quiet. Do this upgrade! You won't be disappointed! 323299


- K71-652-00

by: Jack07/03/2016


The installation is pretty straight forward, however with the trailer weigh and spring strengths it was quiet a lot of work. I have air tools and jacks to work with and it took about six hours. Didn't realize how bad my bushing were worn until it was apart. Camper is a 2013 with about 15000 miles and the plastic bushing were considerably worn. With E-Z flex installed, all the creaking noise is gone, tows a lot smother, still some chucking, but well worth the money and time. Great product and great service from etrailer. Thanks 267849


- K71-652-00

by: Dibs08/19/2016


About as simple a swap as you could expect. Tear off all your old stuff, throw all the new stuff on and voila! A couple of floor jacks, and 2 hrs max. Great time to swap out your junk Chinese wheel bearings too. No major ride change or anything, but at least I know the links aren't going to fail like the OEM ones did. See pic. 285667


- K71-652-00

by: Dave B.09/02/2014


This product is a nice upgrade for my travel trailer suspension. The normal suspension has a solid equalizer, plastic sleeves in the spring ends, and much thinner shackles. This system has the cushioned equalizer, bronze bushings for the spring ends, greasable bolts, and heavy-duty shackles. More importantly, you can instantly feel that the trailer tows smoother. I used to feel all four axles crossing an expansion joint; now I can't feel the trailer at all. 149788


- K71-652-00

by: C J03/21/2016


Excellent product, I bought these to replace the equalizers that came stock on a new 10,000 lb rated 2014 car hauler that is on the road every day . At the time we bought the equalizers from etrailer, the stock equalizers had already been replaced 3 times. 5 stars ......... well worth the money, easy installation, reduced maintenance would definitely recommend to anyone using a heavy duty trailer every day. 241219


- K71-652-00

by: Bob W07/16/2016


Went together quicker than anticipated. I reset the axles to the top of the springs at the same time so it took a little longer. Probably 6 hours total, but I wasn't rushing. Have to do a little welding, too. Much heavier duty product than original equipment. Just did it yesterday and haven't towed trailer yet, but believe it will be a smoother ride and components will last much longer. 272575


- K71-652-00

by: Dale K04/08/2017


Easy to follow instructions and I couldn't be any happier with the results. Equalizers are so much better constructed than the original used by the manufacturer. Our fifth wheel was only one year old but when I saw how much the plastic bushings had already deteriorated that alone made it worth while. Having the greasable fittings is another huge advantage. 364671


- K71-652-00

by: Cliff A12/20/2015


Would have loved to write a great review as the product appears to be well built and I like the ability to lube all the spring shackles. Unfortunately one of the bolt patterns does not fit my trailer. It would help if ALL the bolt hole measurements would be displayed in one place - so that you would know prior to ordering if things would fit. 234003


- K71-652-00

by: Scott Munden07/16/2017


They have been installed with little difficulty. I thought they could have been packaged a little better. All the parts were in a box and could bounce around inside the box. I have not towed the trailer yet, but think they will perform well. The shackle brackets are about twice as thick as the stock ones on my trailer. 406694


- K71-652-00

by: Dennis J06/11/2015


Product was easy to install, Brand name parts front the same manufacturer as the original equipment, this is the second time I have purchased from etrailer and I will continue to use them for all my Rv parts replacement needs, the pin box I purchased from etrailer weighed over two hundred pounds and shipping was free 202658


- K71-652-00

by: Dave C06/01/2016


Probably the best upgrade I could make on my 18 foot car hauler. The shackles are now very robust and the grease-able bolts are fantastic. Etrailer helped me with my order, got the order right the first time and followed up with emails. I am very pleased with etrailer and would highly recommend them for everyone. 255492


- K71-652-00

by: Larry07/28/2015


All of the parts are of high quality and went together easily. Some modification to the hangers may be necessary to allow for the equalizer to move freely and not damage the rubber damper. Overall this is a significant upgrade to the standard equipment and well worth the price. 214949


- K71-652-00

by: Ramo10/14/2016


Beefy! I like this and it should be OEM on all new RV suspension systems! If you don't have it, buy it. If you have reasonable "garage" skills this is easy to install. I suggest if you install these that you cover during storage to protect damper material from UV damage. 306770


- K71-652-00

by: Joe C.06/09/2017


The EZ- Flex suspension I installed on my Montana 5th wheel greatly improved the ride, especially noticeable when going over some of the moguls at bridge approaches on interstate 95. Trailer is much more stable. 392690


- K71-652-00

by: George B05/19/2015


The item looks good but I am waiting on the springs to get here before I break down the assembly and install them. I live on the OBX of NC and I don't want to get caught with my RV apart and not able to get out. 194299


- K71-652-00

by: Jordan08/14/2015


Second one of these kits I have ordered and installed. Not only does is get rid of the annoying squeaks in the factory un-greasable suspension, but smooths out the trailer's ride as well. 219300


- K71-652-00

by: Tom L.08/04/2015


After trying all the others that failed I finally have the best suspension available. No problems installing this set up. ALL parts are heavy duty and fix perfect. Much improved ride. 216598


- K71-652-00

by: Phil08/02/2015


Both items for my Fifth Wheel trailer came on time. All the parts fit with not problems. Had the Heavy Duty suspension system and the quick pins for the landing gear installed in a day. 216259


- K71-652-00

by: Joe05/30/2016


I didn't know how badly my parts were warn until I installed my new ez flex Dexter Axle equalizers.these parts are twice the quality of the stock parts that came on my horse trailer. 253974


- K71-652-00

by: Tom M07/11/2017


product is as described, but it must have been a return. Bags were opened, box was in shambles, wouldn't hold parts. Also parts were banged up and not in new condition. 404470


- K71-652-00

by: BigB05/10/2017


Haven't pulled the trailers yet but installation was about an hour and the quality of the product is great. Yet another great transaction with E-Trailer! 378715


- K71-652-00

by: Mark S.07/12/2017


Trailer tows better. Seems more solid. WAY quieter ride. Why isn't this standard equipment on every trailer ? The OEM parts are downright dangerous. 404700


- K71-652-00

by: Dean, Grand Junction,Co.05/01/2016


If you need parts for your trailer, you should check first with E-TRAILER. Top quality items at reasonable prices and a service level second to none. 247830


- K71-652-00

by: Jeff B02/17/2016


Great product, clear instructions, fast shipment, put on about 2000 miles on our 5th wheel after installing and chairs and dishes all stay inplace 237990


- K71-652-00

by: Josh05/12/2015


Have not installed yet, but they look like quality pieces. etrailer was very good about the questions I had, and got me the parts very quickly. 192239


- K71-652-00

by: Mike b12/31/2016


Very easy to view and purchase Nice tech sheets attached to catalog item on website. I would definitely use agIn Thanks Mike 330453


- K71-652-00

by: GDS04/12/2016


No problems anywhere, fair price, prompt delivery, right parts, easy install. Knowledgeable and courteous staff. 244013


Comments

Definitely a must have vs. standard equalizers.

GDS - 04/14/2017

23162
- K71-652-00

by: William H09/07/2015


Solid top notch product. Only skilled mechanics should install. Arrived sooner then expected. A real plus. 224313


- K71-652-00

by: Mark R.04/16/2017


Great product . Looks like a better set up. Shackles stronger material. And I like the ease of greasing. 368075


- K71-652-00

by: Milton B.09/28/2016


great quality easy to install, anxious to try it out, will get to try it this coming week. 300929


- K71-652-00

by: Joe M.06/14/2016


The fit was right and the shackle plates are much thicker than the stock hardware. 261212


- K71-652-00

by: Stephen05/14/2016


Smoothed out the trailer ride considerably , highly recommend this add on . 250278


- K71-652-00

by: Tom P.03/03/2016


Have yet to install but visually it is quite a robust upgrade from stock. 239428


- K71-652-00

by: C.S.M03/01/2017


Arrived in four days. Still in original factory packaging. 347027


- K71-652-00

by: Gideon S.05/20/2017


Easy to find came quick looks like good product 383072


- K71-652-00

by: Robert02/23/2017


Trailer tracks better.Less noise from s prings 344770


- K71-652-00

by: Pete C09/12/2016


Order was processed and shipped very fa st! 294498


- K71-652-00

by: Darrin05/10/2016


Very nice kit ,easy to install. 249566


- K71-657-00

by: Clay M.05/02/2017

Review from a similar Dexter Axle E-Z Flex in Trailer Suspension


My 10 year old Toy Hauler was in need of some TLC. I dry camp 98% of the time. Traveling down very dusty and bumpy roads. The factory equalizers had plastic bushings that had failed. The Dexter Ez-Flex came with new bronze bushings and all of the hard-ware. It took me and a friend approximately 5 hours to install these. I have only pulled the trailer once since the install, but I could notice a difference right away. I like the fact that there are bronze bushing and I am able to grease them myself. I highly recommend this product if you do a lot of dry camping and going down rough dirt roads. I should not have any other problem with my load equalizers. The staff at etrailer was very helpful Rick S. and Michelle S. keep me informed each step along the way. This is the second big purchase I have made with etrailer and I highly recommend them and will use them again. Thank You 375118


- K71-653-00

by: Joe P.01/03/2016

Review from a similar Dexter Axle E-Z Flex in Trailer Suspension


Great service, questions answered promptly and accurately, package arrived before the promised time. I had no problems installing the product as the fitment was exact thanks to etrailer product recommendation. Installation of this item should be done by an accomplished mechanic and in a well equipped shop. My 5th wheel is 32' long and the installation requires at least 3 jacks to lift the trailer and axles and to manuver the axle height in order to install the pivot bolts. Product smoothed out ride to some degree but the reason for my installation was due to worn out bushings which made a click/pop noise while driving over uneven surfaces. 234675


- K71-653-00

by: Cam S.11/09/2016

Review from a similar Dexter Axle E-Z Flex in Trailer Suspension


This is probably one of the best products you can buy when fixing up a trailer where everything is egged out and wasted. Bear in mind that all spring hangers need to have the same dimesnsion from the bottom of the frame to the center of the holes. I didn't know this until the instructions revealed that. If your center hanger is tall, and end hangers are short, your springs will sit at an angle. So, provided all your hangers are the same, it's a quick swap. If they don't match, there will be welding required as well as a bunch of measuring and fabrication. 315219


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Ask the Experts about this Dexter Axle Trailer Suspension
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  • Comparison Between Dexter E-Z Flex Suspension System and The Lippert Equa-Flex Equalizers
  • Both the Dexter E-Z Flex Heavy Duty Rubber Suspension System, # K71-652-00 and the Lippert Euqa-Flex Cushioned Equalizers, # LC1594011, are upgrades from the traditional leaf spring suspension equalizers. Both the Dexter and Lippert systems use rubber shock technology that will deliver smoother towing. The Dexter E-Z Flex has a spring end spacing that runs between 5-1/4 to 6-1/4 inches. The Lippert Equa-Flex dimensions on the spring end mounting holes is 5-1/2 inches. The Dexter E-Z...
    view full answer...

  • Fit of Dexter # K71-652-00 E-Z Flex Suspension Equalizer as Replacement for 13-104-02
  • The Dexter Heavy Duty 5-5/8 Rubber Suspension Equalizer, part # K71-652-00, is the specified replacement part for the standard 13-104 equalizer for tandem axle trailers. This is intended for use with axles rated for up to 6000 lbs. Please take a look at the linked photo that shows you the normal range of the spacing between the shackle bolt holes. The only other tandem axle kit offered, part # K71-653-00, has a 7-3/4 inch equalizer and replaces part # 13-122 for 8000-lb axles. There...
    view full answer...

  • Suspension Upgrades for Tandem 3,500 Pound Dexter Axles on a Jayco Travel Trailer
  • E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00 is designed for axle capacities up to 6,000 pounds. So if your measurements are close to those of this system you can use it. This system was designed to fit in place of equalizer # TREQ104 (13-104). Check your equalizers for the part number or just go by the measurements. Other option to improve the ride of the trailer is to use a shock kit such as # LC281255 for 2-3/8 inch diameter round axles or # LC281281 for 3 inch diameter...
    view full answer...

  • How to Determine if a Dexter E-Z Flex Trailer Axle Suspension Kit Will Fit a Trailer
  • The Dexter E-Z flex systems fit specific applications. # K71-652-00 is for tandem axle trailers with 33 inch axle spacing on center, 6K axles, with equalizers that are 5-5/8 inches long center of eye to center of eye. # K71-656-00 will be the same but for triple axle trailers. # K71-653-00 is also for tandem axle trailers but with 35 inch axle spacing, 8K axles, with equalizers that are 7-3/4 inches long. # K71-657-00 will be the same but for triple axle trailers. You would have...
    view full answer...

  • Upgraded Equalizer Kit to Replace 6-1/16 Inch Long Triangular Equalizers on Tandem Axle Trailer
  • To upgrade your existing # TREQ310 equalizers, you can use the Dexter E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00. While at rest, the upgraded equalizers have a center to center length of 5-5/8 inches, but with deflection can measure between 5-1/4 inches - 6-1/4 inches. While the resting length of the equalizer is shorter than your existing equalizer, the length difference is not great enough that the upgrade kit # K71-652-00 wouldn't fit. This upgrade kit # K71-652-00...
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  • Replacing TREQ310 Equalizer with Suspension Enhancement Trailer Suspension System
  • You are correct that the slightly skinnier equalizers will not pose a problem for you, but the vertical height could. Since the shackle straps that come with the # K71-652-00 kit are slightly shorter than the average shackle strap, they will help make up for the loss of height in the equalizer. This will likely allow the E-Z Flex system to work well for you. Between the two systems, I recommend the Dexter E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00. However if you...
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  • Availability of Equalizers for Trailer Suspensions
  • We do sell trailer suspension parts of all kinds, including equalizers for both double-eye springs and for slipper springs, that you can see on the linked page. You can use the filters on the page to select your spring type, spring width and number of axles. We offer both standard equalizers like # TREQ310 and also cushioned ones like # K71-652-00. I also linked our main page for all trailer suspension parts and articles on trailer suspensions that may be helpful to you.
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  • How to Measure Trailer Equalizers to Determine Replacements
  • To know if the # K71-652-00 will fit your trailer you will need to take a few measurements of the equalizers that you currently have on your trailer. The E-Z Flex Heavy Duty Rubber Equalizers, part # K71-652-00, that you referenced have the following measurements: Bolt hole diameters of 9/16 inch From center of bolt hole to center of bolt hole 5-1/4 to 6-1/4 inches wide From center of bolt hole to center of bolt hole 2 inches tall See the picture to the right to see a picture...
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  • Can E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00 Replace # TREQ356
  • There is a dimension difference between the equalizers you currently have and part # K71-652-00. I have attached drawings of the # K71-652-00 and the equalizers you currently have, part # TREQ356. As you can see the difference in the distance between the two attach holes on the bottom of the equalizer is 1/2 inches. With that being split between two springs that would be approximately 1/4 inch difference on each spring. You may find that you need shackles that are a bit longer. The height...
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  • How Often Should Dexter EZ-Flex Equalizers Get Greased
  • I spoke to my contact at Dexter and he informed me that they recommend greasing the E-Z Flex equalizers every three months or 3,000 miles. I also attached a pretty helpful guide to how often trailer components should be maintained. For grease Dexter recommends wheel bearing grease. For that we recommend the red grease part # L11390. A shock kit would help your trailer and would work well with the EZ Flex system but since you said you have square axles we don't have a kit for that....
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  • Could Dexter E-Z Flex Equalizer Replace Morryde CRE 3000
  • The Morrydy CRE3000 is a similar setup to the EZ Flex setup so there wouldn't be any problem going from one to the other. It would just be a matter of picking out the correct setup based on the dimensions of your current equalizers. You are going to have to measure your current equalizers to find the correct one. The part # K71-653-00 is a replacement for a 7-3/4 inch equalizer and the part # K71-652-00 is a replacement for a 5-5/8 inch equalizer. You will need to measure the dimensions...
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  • Can Dexter E-Z Flex Suspension System # K71-652-00 Replace Lippert Equa-Flex # LC1594011
  • Both the Dexter E-Z Flex Suspension System # K71-652-00 and the Lippert Equa-Flex # LC1594011 will work with double eye tandem axle suspensions up to a 6K rating. The E-Z Flex is compatible with a spring end spacing of 5-1/4- to 6-1/4-inches and since the dimension of the holes on the Equa-Flex is 5-1/2-inches (see linked photo) the Dexter will fit in its place. I recommend replacing both units on the trailer to ensure consistent performance.
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  • Will EZ Flex Equalizer K71-652-00 Replace Equalizer that Measures 6-1/8 inch
  • Since your equalizer is 6-1/8 inches from the eye holes from front to back the EZ Flex Equalizer part # K71-652-00 would fit and work well as it is a fit for the that dimension between 5-1/4 and 6-1/4 inch. I attached an install video for this for you to check out as well.
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  • Which E-Z Flex Heavy Duty Rubber Suspension System Fits a 2007 Keystone Raptor 3814SS 5th Wheel
  • The 5-5/8 inch E-Z Flex Equalizer in part # K71-652-00, have a capacity of 3,000 pounds (6,000 total for the whole system). The 7-3/4 inch equalizers in the Triple Axle Kit, # K71-657-00, have a capacity of 4,000 pounds (16,000 pounds for the whole system). When I did a little research on your 2007 Keystone Raptor 3814, I found that it has a dry weight of 11,525 pounds. If the existing equalizers have the same ratings as the E-Z Flex models, then they have a capacity of 12,000 pounds...
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  • What Is The Longevity Of The E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00?
  • It is really difficult to say how long the E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 5-5/8" Equalizers, # K71-652-00, will last. It depends on so many different variables including weight, driving conditions, weather conditions, if it was maintained correctly, etc. I reached out Dexter Axle and they said that they don't have any specifics they can give because of all of those variables. What they did point out that I think is valuable to know is that even if the...
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  • How to Determine the Right Replacement Equalizer for a Horse Trailer
  • To find the proper replacement equalizer for your horse trailer you will need to take a couple of measurements. Measure from the center of the front hole to the center of the rear hole. Then measure from the center of the top hole down to the center line between the 2 lower holes. I have included a picture that shows the measurements needed. The standard equalizer is 7-3/4 inches long but the E-Z Flex will fit in place of 7-1/4 to 8-1/4 inch long equalizers.I have also included a link...
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  • Troubleshooting Dexter EZ Flex Equalizers that Won't Take Grease
  • Typically the way to fix grease fitting that won't take grease is to have them removed and cleared so that the obstruction is removed and it will function. What you will want to do is remove the zerk fittings of your equalizers with a wrench and then clear the obstructions from the fitting so that they will take grease again.
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  • Availability of Dexter E-Z Flex Suspension System For Trailer with 34 Inch Axle Spacing
  • All of the equalizer suspension enhancements I have for double-eye springs are designed to fit either 33 inch spacing ( # K71-652-00) or 35 inch spacing ( # K71-653-00) between axles. I do not offer any that are listed for a 34 inch axle center spacing. You might want to measure the distance from the center from one bolt hole to the center of the other bolt hole on your existing equalizer. If you get between 5-1/4 and 6-1/4 inches you could use the Dexter E-Z Flex Suspension System,...
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  • Rubber Equalizer Troubleshooting on a 2008 Keystone 344J Everest 5th Wheel Trailer
  • I did some research and found that your trailer is rated at well over 14,000 lbs. so the correct replacement equalizers would be the E-Z Flex Heavy Duty Rubber Suspension System by Dexter Axle - 7-3/4 inch Equalizers, item # K71-653-00. The part you mentioned, item # K71-652-00, is for up to 6,000 pound capacity trailers and would be too light for your Keystone Everest trailer. Depending on your gross trailer weight, loaded and ready to tow, the # K71-653-00 may also be too light for...
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  • How to Provide Lift on a Trailer
  • The replacement equalizers for your axles are the E-Z Flex Heavy Duty Rubber Suspension System # K71-653-00. The E-Z Flex Heavy Duty Rubber Suspension System # K71-652-00 are not a fit for your axles nor would they give you any lift. There are a couple of options for you to lift your trailer and gain some clearance. One is for you is a Dexter Trailer Springs Over-Under Conversion Kit. We have two kits available # K71-384-00 if your axle is 2-3/8 inches or if you have a 3 inch axle...
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  • Is there a Trailer Suspension Upgrade for Tandem 3,500 Pound Axles
  • Lippert has Equa-Flex systems for 5.2K axles, # LC257486-2, and 4K to 6K axles, # LC1594011, but not for 3,500 pound axles but I do have a possible option for you. Dexter has EZ-Flex system # K71-652-00 that works with up to 6K axles. If your current equalizers are 5-1/4 to 6-1/4 inches long (measured from the center of one eye to the center of the other eye) with an axle spacing of 33 inches on center then you can use this kit. Another option is to use a shock kit # LC281255 which...
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  • Compatibility of Lippert Components Correct Track II Tandem Axle Alignment Kit LC87220
  • The Lippert Components Correct Track II Tandem Axle Alignment Kit # LC87220 will work fine with your Morryde LRE4000 suspension setup, according to my contact at Lippert, so long as it uses standard spring hangers. It will not work with E-Z Flex suspension systems like # K71-652-00. This kit will give you 2-inches additional trailer height.
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  • Does Dexter # K71-652-00 E-Z Flex Suspension Equalizer Replace 13-104-02
  • The Dexter Heavy Duty 5-5/8 Rubber Suspension Equalizer, part # K71-652-00, is the specified replacement part for the standard 13-104 equalizer for tandem axle trailers. This is intended for use with axles rated for up to 6000 lbs. Please take a look at the linked photo that shows you the normal range of the spacing between the shackle bolt holes.
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  • Recommended EZ Flex Supension And Wheel/Tires For 2007 Keystone Sprinter Travel Trailer
  • The E-Z Flex Heavy Duty 5-5/8 Rubber Suspension Equalizer, part # K71-652-00, is the specified replacement part for the standard equalizer for tandem axle trailers. This is intended for use with axles rated for up to 6000 lbs. Please take a look at the linked photo that shows you the normal range of the spacing between the shackle bolt holes is 5-1/4 to 6-1/4 inches. So your application will meet the standards of this EZ Flex. The axle spacing is correct for your application. To answer...
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  • Can E-Z Flex Rubber Suspension System Work w/ Wide Trax Trailer Suspension
  • I have a possible solution for you, but unfortunately the E-Z Flex Heavy Duty Rubber Suspension System such as the 5-5/8" Equalizers # K71-652-00, will not work with the Wide Trax suspension on your trailer. The axles on a Wide Trax system are spaced further apart and the required equalizer components are significantly larger than the E-Z Flex Systems. A much larger equalizer like the 14-5/8" Equa-Flex Cushioned Equalizers, part # LC257486-2 may be the correct length. You will want to...
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  • Replacement Suspension For 2014 Forest River Fifth Wheel
  • We have the replacement suspension parts you need for your 2014 Forest River Fifth Wheel. The largest capacity springs we offer that have the eye-to-eye length you need are part # SP-111275. These measure 25-1/4 inches eye-to-eye. These are a 5-leaf spring and are designed for 6,000-lb capacity axles. Additional leaves in the springs will provide more stability as you mentioned. The 7,000-lb leaf spring we offer, part # SP-198275 measures 24-7/8 inches long eye-to-eye. I have attached...
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  • Will Just a Little Grease Hurt Lippert Never Fail Bushings and Should Larger Shackle Straps be Used
  • You will just need to wipe away the grease which does mean it all needs to be taken apart. Even a little bit of grease (over a long enough time) can cause the bushings to degrade. The shackle straps included with the Never Fail Tandem Axle Suspension Upgrade Hardware Kit # LC281285 have a standard thickness so that makes me think that you might have an E-Z Flex system such as # K71-652-00 or something similar. Those have very thick shackle straps and they should be used if that is what...
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  • Dexter E-Z Flex Equalizer System for a Keystone Cougar 5th Wheel Trailer
  • To determine if a Dexter E-Z flex system will work on your trailer you will have to go by the equalizers currently used on your trailer. Measure the distance from the center from one bolt hole to the center of the other bolt hole on your existing equalizer. If you get between 5-1/4 and 6-1/4 inches you could use the Dexter E-Z Flex Suspension System, part # K71-652-00. If you get between 7-1/4 and 8-1/4 inches you could use the Dexter E-Z Flex Suspension System, part # K71-653-00. Using...
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  • Curved Equalizer # TREQ356 Recommendation for a 2004 Wildcat 5th Wheel Trailer
  • Based on the measurements that you gave you would want a TruRyde Curved Equalizer, part # TREQ356. Even though it only seems like the E-Z Flex heavy duty rubber suspension system # K71-652-00 is a little bit smaller, it would not work for you. I attached an FAQ on trailer suspension components for you to check out.
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Info for this part was:


Expert Research:
Michael L

Expert Research:
Michael H

Expert Research:
Jameson C

Video Edited:
Jacob T

Expert Research:
John H

Updated by:
Adele M

Expert Research:
Adam R

Video by:
Kathleen M

Installed by:
Cole B

Photos by:
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Expert Research:
Jeffrey L

Installed by:
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Updated by:
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Photos by:
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