1. Vehicle Suspension
  2. Timbren
  3. Jounce-Style Springs
  4. Standard Duty
  5. Rear Axle Suspension Enhancement
  6. Occasional Towing and Hauling
Timbren Rear Suspension Enhancement System

Timbren Rear Suspension Enhancement System

Item # TFRF53A
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Retail:$465.65
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Vehicle Suspension

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Timbren Rear Suspension Enhancement System Standard Duty TFRF53A
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8,600-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use. Lowest Prices for the best vehicle suspension from Timbren. Timbren Rear Suspension Enhancement System part number TFRF53A can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Timbren Vehicle Suspension - TFRF53A

  • Timbren
  • Jounce-Style Springs
  • Standard Duty
  • Rear Axle Suspension Enhancement
  • Occasional Towing and Hauling

8,600-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.


Features:

  • Improves suspension, handling and safety
  • Provides additional support as needed so you always have a smooth, comfortable ride
    • Allows the leaf spring ample movement while cushioning light loads
      • Does not affect the empty ride of the vehicle
    • Becomes more rigid as more weight is added
      • Increases stability - providing great performance while hauling heavy loads
      • Reduces vehicle sag
  • Works independently - side-to-side
    • Helps compensate for off-center loads
    • Reduces body roll when swerving and turning corners
  • Acts as shock absorbers, taking the brunt of bumps and rough roads
    • Extends the life of your vehicle's suspension


Specs:

  • Includes 2 Aeon hollow rubber springs, vehicle-specific brackets and hardware for simple installation
    • Replaces axle bump stops on frame
    • No drilling required
  • Capacity: 8,600 lbs
    • Do not exceed the vehicle's weight-carrying capacity
  • Designed to work with a suspension system that is in good working order
  • Limited lifetime warranty - satisfaction guarantee


An example of sag on a truck's rear axle under a heavy load. The Timbren Suspension Enhancement System levels the vehicle.

Whether you're hauling heavy loads in the cargo area or by pulling a trailer, you will often see the rear sag while the front end rises. In these cases, the rear axle is handling not only the weight of the cargo, but more of the truck's weight, as well. Because less weight is on the front axle, the front tires are making less contact with the road. Overall handling - traction, steering, and braking - is negatively affected. But the resistance from Timbren's Suspension Enhancement System works with your factory suspension to keep your vehicle level and improve your driving experience.


Diagram of the Timbren spring installed

The Timbren system has a custom-fit bracket that will be bolted onto each frame rail above the rear axle. Hollow rubber springs are bolted to the bottom of the bracket and hang down to where the bottom of the spring sits, one inch above the axle. The inch of clearance allows the existing factory suspension to operate normally under light loads and standard terrain, ensuring the smooth, comfortable ride that you are used to.


Animation of a standard Timbren rubber spring

Timbren Suspension Enhancement Systems are designed to work progressively. When the hollow rubber springs are compressed, the convoluted design causes them to quickly collapse along the folds. Once the folds are compacted, the stacked barrel shape increases resistance, stiffening the suspension and keeping the truck level.


Timbren suspension system works to prevent body roll

Each hollow rubber spring works independently to support the driver's or passenger's side of your vehicle. This is helpful when you swerve or make sharp turns. Each spring is activated when it is needed, so body roll is greatly reduced. The independent action also works well when you are hauling off-center loads.


An example of a trailers swaying

Because the vehicle handles better with the springs, less turbulence will be passed along to the trailer, and this helps to keep the trailer in line. Your driving comfort is further enhanced if the trailer does begin to sway (from a gust of wind or a passing semi), because the movement from the trailer is not transferred to the truck. This also works to make the sway subside more quickly.


An empty truck on a bumpy road without Timbren

Another great feature of the rubber construction is that the springs absorb most of the road shock, creating a smoother, more stable ride overall. Wear and tear on the factory suspension is also lessened because the rubber springs work to prevent bottoming out on rough roads.


Compared to the Competition

Timbren's suspension enhancement systems are much easier to install than air springs - there are no air hoses to run, no compressors or gauges to hook up, and no manual adjustments to make. The rubber construction makes Timbren's springs more elastic than similar products constructed of microcellular urethane. And more elasticity allows for a more comfortable ride because the rubber has more travel.



FRF53A - Rear Suspension Enhancement System with Aeon Hollow Rubber Springs by Timbren



TFRF53A Installation InstructionsInstallation Details TFRF53A Installation instructions

This Product Fits The Following Vehicles

1989 - 2019 Ford F-53

2017 - 2018 Forest River Georgetown GT3 Motorhome 24W3

2014 - 2018 Forest River FR3 Motorhome 25DS

2018 - 2018 Fleetwood Axom Motorhome 25S

2018 - 2018 Fleetwood Axon Motorhome 25S

2001 - 2002 Coachmen Aurora Motorhome 2680DS - Ford

2015 - 2016 Winnebago Brave Motorhome 26A

2015 - 2015 Itasca Tribute Motorhome 26A

2017 - 2017 Holiday Rambler Admiral XE Motorhome 26D

2015 - 2017 Fleetwood Flair Motorhome 26D

2016 - 2016 Holiday Rambler Admiral XE Motorhome 26DT

2015 - 2016 Fleetwood Flair Motorhome 26E

2013 - 2016 Itasca Sunstar Motorhome 26HE

2016 - 2017 Winnebago Sunstar Motorhome 26HE

2013 - 2017 Winnebago Vista Motorhome 26HE

2002 - 2004 Tiffin Allegro Motorhome 26IA - Ford

2018 - 2018 Winnebago Intent Motorhome 26M

2007 - 2007 Winnebago Sightseer Motorhome 26P

2015 - 2015 Fleetwood Storm Motorhome 26P

2008 - 2008 Itasca Sunova Motorhome 26P

2009 - 2012 Itasca Sunstar Motorhome 26P

2009 - 2012 Winnebago Vista Motorhome 26P

2016 - 2019 Jayco Alante Motorhome 26X

2016 - 2017 Jayco Alante Motorhome 26Y

2013 - 2016 Thor ACE Motorhome 27.1

2016 - 2019 Thor ACE Motorhome 27.2

2015 - 2019 Newmar Bay Star Sport Motorhome 2702

2016 - 2016 Newmar Bay Star Sport Motorhome 2705

2015 - 2015 Newmar Bay Star Sport Motorhome 2707

2015 - 2017 Forest River Georgetown Motorhome 270S

See All Vehicle Fits



Video of Timbren Rear Suspension Enhancement System

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




Video Transcript for Timbren Front and Rear Suspension Enhancement Systems Review

Speaker 1: Today we're going to be taking a look at the Timbren line of suspension enhancement systems. Any time that we add weight to our vehicle, it's going to put a lot of strain and stress on the suspension, especially if we're towing a heavy camper, trailer, or we have a heavy load in the back.Tends to have the back end squat down, which again, it's going to put that strain and stress on the rear suspension because not only are we asking it to hold up the weight of the vehicle, but everything else that we add on to it. Which that can arise a lot of different issues. The front end is going to be getting pulled off, which will misalign our headlights, and our tires won't have as much contact, so our steering and braking is going to be diminished.But tat;s where timbrens are going to come into play. They're going to provide us that extra support so that when we do have those heavy loads, the back end doesn't sag down quite as much, and it's not putting so much stress on the back end. By doing that, the front end's not going to rise up, which means our headlights will be in line and our tires will have the correct amount of contact and pressure, so our braking and steering isn't affected.

And they're going to do that all while making our ride more comfortable with that extra load.Our timbrens are going to provide us the support we need by replacing our factory jump stops and mounting in between the frame and the axle. Now, yours may look different, so you want to double check inaudible 00:01:20 fit guide for your specific application.Now, each one of our timbrens is going to feature a steel bracket. They're all going to have black, powder coat finish on them to resist that rust and corrosion or any other kind of chemicals that may be on the road. They're going to have a hollow, rubber ayon 00:01:36 spring that's going to take a lot of that pressure and strain off of the rear suspension.Whenever we do load our vehicle down, the space between our frame and our axle is going to get smaller. That's where our spring is going to make contact with the axle, and it's going to start compressing.

Now, they are progressively rated, so if we have a small load or a light load, it's going to have a little soft engagement. But the further it gets compressed, the harder and stiffer it becomes, giving us the support we need with those heavy loads.And since they are rubber, they're going to have a lot of give to them, which means they're going to give us the support we need. But at the same time, they're going to give us some more cushion and absorb some of the road shock as we drive. And since the rear ones here aren't in constant contact with our aXle, it is going to provide us the same ride quality when it's unloaded.Our timbrens are going to work independently from each other from side to side. That way, if we have an off center load, it will help compensate for that, but at the same time, if we take an evasive maneuver or a really sharp turn, this is going to help reduce that body roll and some of that sway feeling that we get going on when we have a lot of added weight.Our timbrens for the rear are going to be a good enhancement for any time you're going to be adding weight to the back of your vehicle, whether it be a heavy trailer, a large load in the back or any other situation where you're adding a lot of weight to the back of your vehicle.Now, timbrens on the front are going to be a little bit different.

They're going to provide us that load-leveling support and make sure the front end doesn't get pushed down too far. However, these typically are going to be in contact all the time, which means it's going to give us that support and help reduce on that body roll all the time, all while absorbing that road shock, giving us a smoother ride.Now, some situations where you'd want that extra support on the front of the vehicle to keep it from getting pushed down too much would be if you have a snow plow or winch, if you flat-tow your vehicle, or if you have any other heavy accessory on the front. This is going to make sure that front end stays where it should be, and again, making sure our tires, braking and steering acts how they should.When comparing the timbrens to other suspension enhancement options like airbags, these are going to be a lot easier to install because we're not going to have to worry about running lines, maintaining air pressure, putting in switches or compressors or any of that. Once these are installed, these are going to be completely maintenance free. However, airbags are going to provide us with a lot more adjustability, whereas our timbrens are not going to have that.That'll finish up your look at the timbrens suspension enhancement systems..


Customer Reviews

Timbren Rear Suspension Enhancement System - TFRF53A

Average Customer Rating:  4.7 out of 5 stars   (1927 Customer Reviews)

8,600-lb Capacity. These hollow rubber springs sit above the rear axle to help stabilize and level your vehicle. They also provide a more comfortable ride by absorbing road shock and improving roll stability. Easy to install and use.

- TFRF53A
by:
Ford

It was very easy to order this item from Etrailer. The item was delivered earlier than expected in strong packaging. Now for the Springs. I chose these because of the no drill install and reading a lot of reviews. I placed the springs on the rear axle of my 2018 Georgetown GT5 on the Ford F53 20,500lb chassis. It took around 20 min on my back but was easier than expected and I am 74. I have driven 1200 miles on the springs and I am more than happy with them, worth every penny. Side wind and passing trucks was almost eliminated, almost. 643899



- TFRF53A
by:

Just installed the Timbren suspension stabilizers on the rear of my Newmar Canyon Star 3911 motor-home. The installation was easy and simple. As the video showed, just remove the old bump stops and install the Timbren's. They are significantly larger than the stock bump stops. After having installed the Sumo Springs on the front and the Timbrens on the rear, the ride is so much better. No more swaying back and forth when a big truck passes or a crosswind. I highly recommend this combination since there is no drilling into the frame of the motor home and you do not have to remove the tires either. 695925



- TFRF53A
by:

The help I received from E trailer was great. They fit perfect! Highly recommend 680204



- TFRF53A
by:
2018 Thor Windsport Motorhome

Great service, will install this afternoon. assemble in my garage should have them on the afternoon, trip tomorrow will report the change to the ride next week. 605206



- TNRTTNA
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Makes a huge difference in carrying heavy loads. I could tell an immediate difference when I had a full bed, gooseneck load, or a bumper pull load. Highly recommended. I considered air suspension, but did not want to tackle that installation. Literally can install this with a torque wrench and impact wrench. 725228



- TDF25004B
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Bought these because I just put a plow on my truck and I didn't want to mess with air bags or heavy duty springs that would raise the front of my truck. These suspension enhansment bumpers are extremely easy to install, fit perfectly and do exactly as they advertise.. couldn't be happier 726518



- TFR1504D
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


This was so easy to install, you DO NOT need to take rear tires off.. 60 Minute install. I went without the additional spacer to allow for a little nicer ride when empty. Very well made 730169



- THROD2
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


The product first arrived in a damaged box with one of the washers missing, but ETrailer did resupply that. The hardest part was finding a shop able (needs the right tools to depress coil springs) and willing (a potential liability issue messing with suspension) to replace it for a reasonable cost. Eventually a local tire shop agreed to. This was for a 2014 Honda Odyssey, especially for pulling a pop-up. Took two camping trips last summer, one before and one after installation, and I have been pleased with the added stiffness in the rear suspension. It made about 1 to 1.5 inch of difference in resting position when fully loaded and towing and has helped smooth out bumps and humps in the road - both when towing and not. 589641


Comments
Took a couple more trips this year, and its all still working good, but I found out there still is a limit to how much weight you can pack on the rear axle. Dont recommend using a double hitch extender for bike rack plus towing because it spans the tongue weight too great of a distance from the van and gets too close to the ground. This is as much a comment on not overloading the suspension as it is on the DrawTite hitch I got on etrailer.
Dan O - 12/11/2019

63761

- TTORTUN4
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I recently ordered and installed this suspension enhancement for my 2017 Nissan Titan SV 2WD, Crew Cab. I will be road testing it next week with a heavy duty 20' flat trailer, carrying a 2,800 lb car, 500 lb 4 wheeler and misc items for an estimated total of near 6.5-7k lbs of trailer weight. In addition, I might be carrying a 450 lb go-kart in the truck bed. I feel this will be a good test of the products' capability and performance. Approximately 2 weeks ago, I towed an 8.5' x 20' cargo trailer weighing out at nearly 9k lbs on the same 500 mile trip. For that trip, I had the stock suspension setup and used a weight distribution (WD) system. The trip went smoothly, but I'm hoping that this suspension enhancement will eliminate the need to go through the WD hookup process. A followup review to come. I've given this a 5 star review due to the excellent customer service I received from Ashley. I was traveling back down to Florida from up north and had questions regarding compatibility with my truck. She called the company, Timbren, to verify that it would work and answered all my questions, since I was driving at the time. She even pushed the order through quickly and got it out that same day. I was amazed when I received it yesterday, less than 2 days after I ordered it and installed it in less than an hour. This is truly an example of the excellent level of customer care that etrailer provides its patrons and exactly why they are my first choice for all my trailering needs. Thank you. 725798



- TDR1500DS
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Works perfectly, easy install. Will be making another purchase for other trucks now that we were able to see how well they worked. 702944



- TGMRCK25D
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


These are one of the best products ever! Simple, effective and a reasonable price. They are carefree, invisible when unloaded and very easy to install yourself. I tow a 37ft 12,500lb 5th wheel with my 2018 2500HD. Though my truck already handled the load well, these make the ride more stable and controlled. Lifts the rear up about 1.5 inches as well as keeps things centered from left to right. What's most important when towing is keeping the steer axle on the road. Though I recommend them for any towing configuration; for those of you that push the limits, these are a must have. Brilliant product! Thanks Timbren for the magic bullet! 708124



- TFRTT1504E
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Timbren Suspension Enhancement System - Rear Axle Item # TFRTT1504E Just had a chance to install the Timbren. Went on a short drive with no load and have not hooked up the trailer yet. About an hour to install, the instructions where not very good but going on line etrailer site and followed the video. Very good product! 734943



- TDF25004E
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


A nice product that you don’t even noti ce. 620449



- TFR1504D
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


The product works as described but when I'm driving empty on any road that may be rough my truck tends to bottom out on the jounces causing a rough ride 692250



- TFR1504D
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


These work as advertised and do a great job of preventing the back end of the truck from dropping too low when hauling or towing. When pulling our 8000# trailer the truck ride is relatively level. I would prefer they were maybe a 1/2" to 1" shorter so the unloaded suspension would have a bit more travel. With a cap on the truck there is less than a couple of inches of travel before the stops are hit and it does make the ride more harsh. I knew this would be an issue with these. They are considerably less costly than airbags with zero maintenance concerns. 611406



- TFRTT1504E
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I will write a review as soon as they are installed. They came through as advertised the quality was above my expectation. I am looking forward to testing them with my boat in tow. 578110



- TFR350SDF
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Towing our 15 thousand pound fifth wheel is way better since i installed these. Highly recommend over the the ride. Easy install. Fuctional affordable. Great product 500554



- TTORSEQ
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I am dealing with Timbren. The washer for mounting the rubber spring to the mounting plate clearance hole is too small for the bolt diameter. The washer is not something you can get out without damaging in my opinion. The bolt also will not thread completely into the mounting plate because of poor threads ( not tapped correctly). Galling of bolt if you try to tighten. Very poor QC or inspection at Timbren or wherever. Once again, working eith Timbren on this. Maybe you should check you kits at etrailer!! 704185


Comments
I pulled the kits we have in stock and they check out fine. The washer inside the spring had the same diameter as the spring for the bolt. Could you send in a photo of your kit?
-- Victoria B - 09/25/2019

61509

- TDF25004B
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I have a very heavy "Cattle Guard" on the front of my RAM 3500 and this combined with the heavy 4WD and diesel engine the extra support from the Timbren Front Suspension Enhancement System definitely keeps the front suspension from bottoming out. 644652



- TDRTT3500D
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


I installed this kit in about a half hour. So simple and easy. Towed my Montana fifth wheel and my truck sat perfectly level. I was going to install a rear sway bar kit but dont need to now. Etrailer got me this kit fast and on time. Awsome company to do business with. Thank you etrailer. 566432



- TDF25004B
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Great product and works as it should. It is easier to install with 2 people than it is with one. One working the jack and one holding the unit in place. 572879



- TDVR05096
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Best available for Kia I wish I would have known about this product sooner. I have a Kia Sedona and there are only 2 suspension aids available. I previously had the Firestone airbags and don't recommend. The bags and compression fittings leak and installations complicated. This was the only other option so I gave it a try. Very glad I did. They do exactly what they say they do. The Sedona doesn't dip nearly as much when I put the trailer on. In fact I had to go to my lower rise hitch so it would sit flat. Ride is solid, but not jarring. I don't really know about the reliability as I've only had them about a week, but it's a very simple concept so I can't imagine problems. They are basically oversized flexible bump stops and have no moving pieces. They seem expensive for what they are, BUT installation is MUCH cheaper than the airbags. It cost me just a bit over a hundred bucks to have them installed at a local service chain (Tuffy). They also are very discrete so your warranty likely won't be called into question. 3579



- TFR250SDG
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Sold vehicle shortly after install,never got a chance to use it. But the install was very easy and product was high quality. 636794



- TFRTT1504E
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


Product works as described. Handle the loads well not that hard a ride with my 27 foot trailer a tow 607158



- TGMRG25C
by:

Review from a similar Timbren Aeon Spring System in Vehicle Suspension


You Guys are outstanding!.... Keep carrying All the right parts and accessories for RV's and POV's. It's like a One Stop Shop for all my needs for camping and travel. This product is great, not only for my Dodge, But I had to install this on my Chevy also. I'm very happy to have purchased this product. By the way pics will follow soon, in the middle of a move... Thanks Guys 561648


Comments
Great!.... Made it all the way down to Georgia, with smooth riding..... lll be shopping again soon for a newer Reese 5th Wheel Base.... Thanks Guys
Cw - 09/08/2019

60949
27
2184
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Ask the Experts about this Timbren Vehicle Suspension

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    Yes, the front # TFFF53B Timbren suspension enhancement are similar to the front # SSF-170-40-2 SumoSprings for your 2018 Thor ACE 30.2 Motorhome. Timbren is a little more well-known but we have received feedback from our customers that the SumoSprings offer better ride quality as they aren't as stiff. If you are comparing the rear Timbren # TFRF53A with the rear SuperSprings # SSA41 for the leaf springs then they are comparable when it comes to performance but they work slightly...
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    The correct Timbren Suspension Enhancement System for your 2000 Tiffin Allegro Bay Motorhome on a Ford F-53 Chassis is going to be part # TFFF53MH for the front and part # TFRF53A for the rear so long as you have a leaf spring suspension system in the front and not a coil spring suspension system in the front. The Timbrens will do a great job of reducing body roll and absorbing shock. In regards to the steering wheel being off-center, this is an alignment issue that you will need to...
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  • Can Timbren Rear Suspension Enhancement Fit 2018 Thor Windsport Motorhome with SumoSprings Front
    Timbrens on the rear of your 2018 Thor Windsport Motorhome with the part # TFRF53A would work great with the SumoSprings you already have installed on the front. You should note that the biggest ride quality improvement you'll be able to make for the Ford F-53 chassis is a rear sway bar. Which for that you'd want the part # RM-1139-140 which is a confirmed fit for your motorhome. This is what we recommend everyone start with to improve the ride of the F-53 motorhomes. I attached an install...
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  • Timbren Suspension Enhancement Fit for 2018 Newmar Bay Star
    Believe me when I tell you, of all the questions we get, this is definitely NOT a stupid one, and to answer your question, both the Timbren Rear Suspension Enhancement System # TFRF53A and Timbren Front Suspension Enhancement System # TFFF53B will fit on you 2018 Newmar Bay Star which is built on a Ford F-53 chassis. The Timbrens will do a great job of supporting your motorhome's suspension to stabilize it and minimize body roll when taking on tight corners, for example. The Timbrens...
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Used Items Available

Condition: Installed

Notes: This has been installed but not used. It is still put together. It is in overall good condition.

Our Price: $199.68
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Info for this part was:

Installed by:
Jeff D
Expert Research:
Jameson C
Expert Research:
John H
Video Edited:
Jacob T
Video Edited:
Dustin K
Video Edited:
Chris R
Updated by:
Mary E
Video by:
Jonathan Y
Test Fit:
Robert C

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