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  1. Vehicle Suspension
  2. SuperSprings Intl
  3. Bump Stops
  4. Towing/Load Leveling
  5. Light Duty
  6. Rear Axle Suspension Enhancement
THIS ITEM IS NOT A FIT FOR
2021 Tesla Model 3
SuperSprings Intl

SumoSprings Solo Custom Helper Springs - Rear Axle

Part Number: SSR-204-40
In Stock
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$267.99
Retail:$298.16
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Vehicle Suspension
Not Confirmed to Fit

2021 Tesla Model 3

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1,000-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation. Great Prices for the best vehicle suspension from SuperSprings Intl. SumoSprings Solo Custom Helper Springs - Rear Axle part number SSR-204-40 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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SuperSprings Intl Vehicle Suspension - SSR-204-40

  • Bump Stops
  • Towing/Load Leveling
  • SuperSprings Intl
  • Light Duty
  • Rear Axle Suspension Enhancement
  • Suspension Only

1,000-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.


Features:

  • Helper springs upgrade your vehicle's rear suspension for improved driver control and comfort
    • Support heavy rear loads to keep your vehicle level
    • Help to absorb bumps and shocks
    • Minimize sway
  • Progressive load control - springs compress according to the weight of your cargo
    • Lighter loads - springs compress easily at first for soft engagement and a less bumpy ride
    • Heavier loads - springs compress by as much as 80 percent for support
  • Springs work independently from each other to compensate for off-center loads and reduce body roll during sharp turns
  • Durable, high-density microcellular urethane
    • Works in temperatures from -25 F to 200 F
    • Resists damage caused by oils, road salts, and UV rays
  • Minimal lateral expansion - springs compress vertically instead of to the sides so they aren't easily damaged when operating in tight spaces
  • Maintenance-free - no tubing to run or air pressure to monitor like with air springs
  • Simple, no-drill installation
  • 2 Jounce-style springs included
  • Made in the USA


Specs:

  • Weight capacity (at 50-percent compression): 1,000 lbs
    • SumoSprings will not increase your vehicle's weight-carrying capacity
  • Diameter: 4"
  • Height: 4"
  • Limited lifetime warranty
  • 30-Day satisfaction guarantee


Rear Suspension Support

A heavy rear load can cause sag as your factory suspension compresses under the weight of the load. This means that the rear axle is trying to support not only the extra load but also the weight of your vehicle. And because there is less weight on your front axle, your front tires make less contact with the road, which causes problems with traction, steering, and braking. SumoSprings upgrade your vehicle's factory suspension to level your vehicle, improve driving performance, and keep your ride comfortable.


Installed spring when it is not compressed

SumoSprings provide progressive load control - the more you load them, the stiffer they become. With a lighter load, the springs will compress easily for soft engagement and a less bumpy ride. The closed-cell urethane material allows for smooth contact between the springs and your vehicle. And the springs act like a shock absorber to dampen road vibration.


Installed spring when it is compressed

The springs can also compress by as much as 80 percent to support a heavy rear load and to help your factory suspension bear up under the load. This evens out the weight, which levels your vehicle and ensures that your front tires are making better contact with the road. A level ride means that you have improved driving control, ensures safe headlight aim, and helps to minimize sway. The springs also support your factory suspension, which helps prevent sagging and reduces bottoming out.


The springs work independently from one another to support each side of your vehicle. This action helps to reduce body roll when you make a sharp turn. This also helps compensate for an off-center load.


Durable, Custom-Fit Springs

These microcellular urethane springs are tough. They resist abrasion, oil, salt, and UV rays that can more quickly wear out other springs, and they perform well in temperatures ranging from -25 F to 200 F (-33 C to 93 C).


SumoSprings compress vertically with minimum expansion to the sides, so they won't be damaged by nearby mechanical parts and they fit safely into tighter spots. And unlike air springs, SumoSprings require no maintenance or adjustment.


The helper springs are custom designed to fit your vehicle, and they install easily - no drilling required.



SSR-204-40 SuperSprings Sumo Springs Solo Rear Vehicle Suspension Kit

Replaces SSR-204

Installation Details SSR-204-40 Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

4.7

2235 reviews
5 Stars
(1803)
4 Stars
(303)
3 Stars
(45)
2 Stars
(32)
1 Star
(52)
1,000-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.

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See what our Experts say about this SuperSprings Intl Vehicle Suspension

  • Recommended Suspension Support for a 2005 GMC Yukon XL Denali
    If your leveler shocks didn't change anything around your rear bump stops, I recommend the SumoSprings Solo Custom Helper Springs item # SSR-204-40. These replace your bump stops and limit the travel of your suspension while cushioning your ride. The SumoSprings item # SSR-204-40 have a 1,000 lbs tongue weight capacity and work off a system called progressive load control. They only engage in proportion to the weight put on the rear of your Yukon. If you're not towing a trailer you won't...
    view full answer...
  • Suspension Upgrade for 2012 Chevrolet Tahoe LTZ With Auto Leveling
    Hey Scott! For your 2012 Chevy Tahoe LTZ I recommend the SumoSprings Solo Custom Helper Springs # SSR-204-40. These have a quick and easy installation since they replace the factory bump stops. They will provide you with an additional 1,000 lbs of support to keep you level and help reduce body roll. Unlike the # F4186 these won't require maintenance so you can install and forget them. They also won't have a negative impact on your unloaded ride quality like some other options. If you need...
    view full answer...
  • Recommended Suspension Enhancement For A 2005 GMC Yukon XL Denali
    Hi Arman, The Timbren Rear Suspension Enhancement System # TGMRYS4 are rated for 6,000lbs so they'll definitely help with the sagging, but being as high capacity as they are they'll likely also affect your unloaded ride quality in a negative way. Going with a lower capacity like the SumoSprings Solo Custom Helper Springs # SSR-204-40 (1,000lb load leveling capacity) would help with the sagging without giving you a harsh unloaded ride quality. These springs are a simple swap out of the...
    view full answer...
  • What Suspension Enhancement Upgrades do You Have for My 2005 GMC Yukon Denali 1500 XL?
    Hello Arman, Your best option is the coil spring bags. For your 2005 GMC Yukon XL Denali you will will want the Air Lift 1000 Air Helper Springs for Coil Springs - Rear # AL60769 (these will NOT work if you have the auto leveling option). These will give you a 1,000 pound load leveling capacity. You could pair them with some upgraded bump stops, the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-204-40 would be great! I am sorry, but we do not have any upgraded coils for your...
    view full answer...
  • Will the SumoSprings Custom Helper Springs Fit on a 2003 GMC Yukon XL With Coil Springs
    I spoke with my contact at Super Springs and the SumoSprings Custom Helper Springs, # SSR-204-40, will fit on your 2003 GMC Yukon XL with coil springs as long as it is a 1500 model. These springs are designed to replace your factory bump stops. Once you remove your factory bump stops these springs will slide into the bump stop mounting location. The installation instructions are included in the box. I have attached a photo showing how the SumoSprings will look once installed.
    view full answer...
    Image 1 for
  • Air Helper Spring Option for 2018 Chevy Suburban with Auto Leveling Suspension
    Per AirLift, their # AL60769 system won't fit 2018 Suburban models equipped with the auto-leveling suspension. SumoSprings offers an option that would work for you, part # SSR-204-40. The SumoSprings would replace the factory jounce bumpers, and would provide 1000 lbs of additional support. The springs help support heavy rear loads to keep your vehicle level, help to absorb bumps and shocks and minimize sway. Unlike air helper springs, the SumoSprings require no maintenance and will never...
    view full answer...
  • Adding Timbren Suspension Enhancement System On a 2019 Yukon With The Magneride Air Suspension
    Adding any after market bump stop/jounce bumper could potentially raise the vehicle 1" because they are longer than the factory bump stop however, they are compatible with the Magneride system. Adding them can potentially effect how the vehicle rides when not towing and how the vehicles built in sensors for the air springs read the level of the vehicle. There are two types of bump stops/jounce bumpers available for the 2019 GMC Yukon 6.2L with the Magneride system. The Timbren Rear Suspension...
    view full answer...
  • Recommended Helper Spring Solution for 2014 Chevy Suburban
    Although the Timbren # TGMRYS4 would work for you, I'm not certain you'd be happy with the ride quality you'll experience once the suspension of your Suburban compresses and the preload is taken up which is when the helper springs come into play. The Timbrens offer up to 6000 of additional support which is way more than you'll need to offset the tongue weight of your travel trailer. The SumoSprings # SSR-204-40 add 1000 lbs of additional support, and they're made of a more pliable material...
    view full answer...
  • Reducing Rear Suspension Sag on a 2021 Chevrolet Tahoe When Connecting To 18 Enclosed Trailer
    The SumoSprings Solo Custom Helper Springs # SSR-204-40 are not confirmed fit for your 2021 Chevrolet Tahoe. The new chassis uses an independent rear suspension which no longer work with their springs. Using a hitch like the Fastway e2 Weight Distribution # FA92-00-0800 will give you the best results when you tow your 18' enclosed trailer. This particular hitch is rated for trailers with 400-800lbs of tongue weight and a maximum trailer weight of 8,000lbs. The weight distribution bars...
    view full answer...
  • Will SumoSprings Work in Freezing Temperatures
    According to my contact in the Engineering department at SuperSprings the correct SumoSpring fit for a 2015 Suburban 1500 would be # SSR-204-40. According to them, the SumoSprings # SSR-204-40 springs will remain functional down to -25º F. Operating in temperatures below that won't harm anything, but the SumoSprings wouldn't be very pliable at those temperatures so the ride quality would suffer to a degree. I've linked you to a product description video for the # SSR-204-40 SumoSprings.
    view full answer...
  • Cost Effective Suspension Enhancement System for a 2009 GMC Savana Van
    The most cost effective suspension enhancement system we have for a 2009 GMC Savana Van is the SumoSprings Solo Custom Helper Springs part # SSR-204-40 for 1500 models or part # SSR-205-47 for 2500 and 3500 models. These two options are more cost effective than the Timbren Rear Suspension Enhancement System part # TGMRG25C but they will also not provide as much support although will still work to reduce sag/squat.
    view full answer...
  • How To Prevent Suspension Sag When Towing Trailer W/ 2006 GMC Yukon Denali Using Weight Distribution
    First things first I recommend double checking that your weight distribution system is adjusted correctly to allow your 2006 GMC Yukon Denali AWD to be level when towing. If the system is adjusted correctly per the instructions included with your hitch, then I recommend adding the SumoSprings Solo Custom Helper Springs # SSR-204-40 which is confirmed to fit your vehicle and offers 1000lbs of load leveling support to get rid of the slight sagging you have. I included a video of the # SSR-204-40...
    view full answer...
  • Recommended Rear Suspension Enhancement For 2001 Chevrolet Suburban Towing 8000lb Camper
    As long as the tongue weight of your 8000lb camper does not exceed 1000lbs the Air Lift 1000 Air Helper Springs for Coil Springs - Rear # AL60769 would be a great option for your 2001 Chevrolet Suburban as it provides 1000lbs of load leveling support which is adjustable by adjusting the air pressure in the helper springs. If your tongue weight is above 1000lbs you could damage the # AL60769 so you would be better off with the # SSR-204-40 as you will not damage them by being over 1000lbs...
    view full answer...
  • Determining The Towing Capacity Of A 2003 Chevy Suburban
    To know the exact amount your 2003 Chevy Suburban can safely tow you'll need to check the owner's manual or look at the tag in your driver's side door jamb to find your GVWR and GCWR. Your GCWR is the maximum fully loaded weight of your vehicle and trailer combined. This includes passengers, cargo, fuel, etc. If it's rolling down the road on, in, or with your vehicle or trailer, it counts toward the GCWR. This is typically found in the manual or can be looked up online with your VIN....
    view full answer...
  • Suspension Enhancement for 2012 Chevy Suburban Towing Large Boat
    As a first step, I would recommend confirming you have a correctly rated system by determining the fully loaded and ready to tow tongue weight of your trailer. Keep in mind that the weight of anything stowed in the cargo area behind the rear axle also needs to be considered as tongue weight. If the tongue weight of your boat and trailer exceed the capacity of your system, it would certainly explain why its not working as well as it could. I have linked you to an FAQ article explaining how...
    view full answer...
  • Which Sumo Springs Do I Need For 2003 Chevy Suburban 1500 2WD
    The SumoSprings Solo Custom Helper Springs you need for the 2003 Chevy Suburban 1500 2WD are part # SSR-204-40. The SumoSprings replace the bump stop on the Chevy to help with rear sag and suspension support. They are a progressive spring made from microcellular material that is designed to compress lightly with lighter loads and up to 80% with heavy loads. The progressive load control does not compromise the ride quality like with the dense rubber springs that are always fully engaged.
    view full answer...
    Image 1 for
  • What Might Cause Sway When Towing with 2008 Chevy Suburban but Not Ford F-350
    Heavier duty vehicles do tend to tow a bit easier with fewer issues than lighter duty vehicles like what you have found. In some cases the heavier duty vehicle's stiffer suspension can compensate for improper loading that can cause sway so one thing you can try that is free is moving any cargo weight in your travel trailer as far forward as possible to increase tongue weight as that's the most common cause of trailer sway. Another thing that could be at play is that your tow vehicles have...
    view full answer...
  • 2000 Chevy Suburban 1500 Rear Coil Spring Enhancement
    I have a solution for you, but we won't offer anything to replace the factory coil springs on your 2000 Chevy Suburban. I recommend going with the Sumo Springs Solo Custom Helper Springs # SSR-204-40 . As opposed to some of the air suspension systems, these SumoSprings are going to provide you with the support you're looking for to help take some of the pressure of your stock suspension system, while being maintenance free; you won't need to worry about installing an air compressor, or...
    view full answer...
  • Rear Suspension Enhancement that Fits 2011 GMC Yukon XL
    That Timbren only fits the 2500 model Yukon XLs. For a similar suspension enhancement kit that does fit your 1500 2011 GMC Yukon XL you'd want the part # SSR-204-40. This will give you the support you are wanting but will offer a smoother ride quality.
    view full answer...
  • How to Reduce Sag When Towing a 27' Dutchmen Kodiak with a 2001 Chevy Suburban 1500
    Thank you for all of the information that you gave! I would love to help you and your family safely travel to your campsite. Since you are still experiencing some sag with your weight distribution (WD) system I recommend checking the tongue weight (TW) range of your current system before adding any Suspension Enhancement System (SES). A properly rated WD system will have a TW range that the loaded TW of your trailer plus the weight of any cargo behind the rear axle of your 2001 Chevrolet...
    view full answer...
  • Solution to Help Bottoming Out on Lowered 2004 Chevy Tahoe 2WD
    I may have a solution for you, but using SumoSprings like the # SSR-204-40 on your already lowered 2004 Chevy Tahoe are not an a solution that will work for you. This would create a situation where the axle is going to engage sooner and would likely effect your ride quality adversely. Instead, as long as the stock springs have not been shortened, you could use an AirLift kit like the # AL60769, which would help fight some of the bottoming out you're experiencing. The air springs can be...
    view full answer...
  • 2002 GMC Yukon XL Denali 1500 Air Bag Kit Fitment and Recommendation
    The closest thing to an air bag kit that fits your 2002 GMC Yukon XL Denali 1500 is the Air Lift 1000 Air Helper Springs # AL60769 which fit inside your suspension coils. These kind of kits are okay, but can be prone to getting pinched inside the suspension coils if you aren't careful and you forget to routinely check the air bags, so I actually recommend using the SumoSprings # SSR-204-40 instead. The SumoSprings replace your OEM jounce bumpers and have 3 key factors as to why I really...
    view full answer...
  • Suspension Enhancement to Fit 2005 GMC Savana Van with 3" Suspension Lift
    The SumoSprings Solo Custom Helper Springs # SSR-204-40 will work for your 2005 GMC Savana Van as long as the lift kit didn't increase the distance between the frame of your vehicle and where it the SumoSpring is supposed to make contact with the lower part of your vehicle (around the axle). If that distance was increased then I recommend going with the RoadActive Suspension instead because it installs on top of the leaf springs so it will function as normal. Here is the part that fits...
    view full answer...
  • Recommended Weight Distribution Product for 2008 Suburban Pulling 5500 lb Travel Trailer
    A suspension enhancement product is primarily intended to support the weight of any cargo carried in the bed of a truck or in the cargo area of an SUV like your Suburban. A weight distribution system would be a better option, as they are specifically designed to transfer a portion of the trailer tongue weight to the front vehicle axle, which will level the right height. The first step in choosing a weight distribution system is identifying the tongue weight of the trailer when it's fully...
    view full answer...


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