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  1. Vehicle Suspension
  2. Chevrolet
  3. Silverado 1500
  4. 2015
  5. SuperSprings Intl
FITS 2015 Chevrolet Silverado 1500
SumoSprings Solo Custom Helper Springs - Rear Axle
SuperSprings Intl

SumoSprings Solo Custom Helper Springs - Rear Axle

Part Number: SSR-209-40
In Stock
$284.99
Retail:$323.89
You Save: $38.90
Vehicle Suspension
Confirmed to Fit
2015 Chevrolet Silverado 1500

2 Wheel Drive

4 Wheel Drive

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The best technical support and full vehicle suspension installation instructions. Great price Silverado 1500 vehicle suspension and expert service. Chevrolet Silverado 1500, 2015 vehicle suspension by SuperSprings Intl are available from etrailer.com. For expert service call 1-800-940-8924 to order your SumoSprings Solo Custom Helper Springs - Rear Axle part number SSR-209-40, or order online at etrailer.com.
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2015 Chevrolet Silverado 1500 - SumoSprings Solo Custom Helper Springs - Rear Axle

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

1,000-lb Capacity. Upgrade your Chevrolet Silverado 1500'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
    • Keep your vehicle level when you're towing or hauling a heavy load
    • 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 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
  • Limited lifetime warranty
  • 30-Day satisfaction guarantee


Rear Suspension Support

Towing or hauling a heavy load can cause rear 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-209-40 SuperSprings Sumo Springs Solo Rear Chevrolet Silverado 1500 Suspension Kit for Trucks

Replaces SSR-209

Installation Details SSR-209-40 Installation instructions

Customer Satisfaction Score:

Ratings & Reviews

4.7

2024 reviews
5 Stars
(1639)
4 Stars
(270)
3 Stars
(43)
2 Stars
(25)
1 Star
(47)
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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Show More Reviews

See what our Experts say about this SuperSprings Intl Vehicle Suspension

  • Extra Ride Support for 2006 GMC Canyon 4WD Towing Trailer
    Helper springs kits are designed to suspend weight carried in the cargo area of the vehicle, such as your truck bed. If you're towing a trailer and want to counteract rear end squat caused by the tongue weight of a trailer being applied to the hitch, a weight distribution system would be a more effective choice. To choose a weight distribution system, you'll need to first determine the fully loaded and ready to tow tongue weight of your trailer. To that figure, add the weight of any gear...
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  • How to Help a 2018 GMC Sierra 1500 with Rear End Sag
    In order to help keep the rear end of your 2018 GMC Sierra 1500 from sagging while towing or hauling your four wheeler I recommend using the SumoSprings Solo Custom Helper Springs part # SSR-209-40. This spring will replace the factory jounce spring that you have on your truck and provide you with a cushion between the frame and rear axle that will help to alleviate some of the rear end sag you have while towing or hauling. The best option about this system is that it will not affect ride...
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  • Weight Distribution System Set-up and Tow Vehicle Height
    Thanks for the photo and thorough explanation of what is happening with your Husky Centerline # HT32218. Since your truck and trailer are sitting within 1-2 inches of level you are good as long as you are comfortable driving. It sounds like you like having the tongue weight a little heavier for steering and that is fine. The tow vehicle having a 1/4 rise in the front isn't too bad and you won't lose much visually from the different angle of your head lights. Because you are so close...
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  • Parts Needed To Tow Trailer With Tailgate Down With 2015 GMC Sierra SLT Crew Cab Short Bed
    You are on the right track! Towing with your tailgate down with the 2015 GMC sierra SLT requires an extension to extend past the tailgate and have proper clearance. However, the TorkLift SuperTruss Hitch Extension for SuperHitch Trailer Hitch Receivers part # TLE1524 requires a SuperHitch Torklift trailer hitch on the GMC Sierra which there is not one available for the 2015 GMC sierra 1500 SLT. I recommend to use an extended ball mount to gain the clearance that you need to tow with your...
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  • Comparing SumoSprings Solo Custom Helper Springs for a 2008 Chevy Silverado 1500
    There are three different SumoSprings Solo Custom Helper Spring options for a 2008 Chevrolet Silverado 1500. The difference is indeed weight capacity; part # SSR-209-40 for 1,000 lbs, part # SS95MR for 1,500 lbs, and part # SS45MR for 2,800 lbs. The part # SS95MR for 1,500 lbs would be a great option for your setup and what I recommend.
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  • Difference Between SumoSprings Solo Kits for 2017 Chevy Silverado 4WD
    Hey Dean, so the big difference is the capacity of the two SumoSprings kits # SSR-209-40 and # SS45MR that fit your 2017 Chevy Silverado 1500. The part # SS45MR has a 2,800 lb weight capacity and the # SSR-209-40 is 1,000 lb. The higher the capacity the more support but the higher the chance the ride quality might suffer or be harsh. So depending on how bad you need the additional support is how you'd pick between the two.
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  • Using Lift Spacers for Timbren Springs on a Lifted 2011 GMC Sierra
    I can gladly help you with your spacing problem but I am going to send you in the direction of another product. SumoSprings will not work for your application. I recommend going with the Timbren Rear Suspension Enhancement System item # TGMRCK15S. They have an 8,600 lbs capacity. They have hollow rubber springs that sit above the rear axle to help stabilize and level your GMC Sierra. They also provide a more comfortable ride by absorbing road shock and improving roll stability. The springs...
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  • Correct SumoSpring Kit for a 2016 Chevy Silverado 1500 with In-Bed Camper
    Hey Jim, good to hear from you again! I'm surprised to see the feedback on the 1.5K SumoSprings # SS95MR simply because people normally say that these have zero effect with the truck unloaded, but since that seems to be the general consensus I would agree that your best bet is to use the 1K SumoSprings # SSR-209-40 instead. Back when we first brought on the SumoSprings brand I got to talk with their owner and he said that their springs are constructed well enough that you can actually...
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  • SumoSpring Helper Springs for a 2012 GMC Sierra 1500 4x4
    For the SumoSprings # SSR-209-40 for your 2012 GMC Sierra 1500 4x4 the springs will reach their 1,000 pound capacity at 50 percent compression. That means that there could still be some squat until the spring compress enough to stop it. But at the same time you are using weight distribution which will also work to prevent sag. So when all is said and done the 1,000 springs should do the trick.
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  • Recommended Air Helper Springs for 2018 Chevy Silverado 1500 Z71
    The air helper springs I strongly recommend for your 2018 Chevy Silverado 1500 Z71 are the SumoSprings Solo Custom Helper Springs # SSR-209-40 because they offer your truck the best combination of ride enhancement and durability. The SumoSprings will compress while under a load but do so progressively and independently on each side. What this means is that you will not only continue to have a centered load but your truck won't immediately have a bumpy ride with a lighter load because the...
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  • Should there be a Gap Between Axle and SumoSprings on 2018 Chevy Silverado 1500
    It isn't uncommon to have some space between the SuperSprings # SSR-209-40 and the strike plate they make contact with when under load. Many of the installations shown in the instructions, linked for reference, also show a gap. You can close that gap a little by using the urethane spacers that came with the kit.
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  • How to Determine If SumoSprings Can Be Used on a Lifted Truck
    In order to determine if you can use the SumoSprings # SSR-209-40 or not you will need to measure where your factory bump stomp sits and measure the distance between there and the axle. This particular # SSR-209-40 comes with a 1/2" spacer and is approximately 6" long, and you'll want around 1" between the spring and the axle when the vehicle is unloaded. If you can measure that and let me know what type of space you've got between those two points, I can let you know if you can use spacers...
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  • SumoSpring Rear Axle Recommendation for 2017 Silverado 1500
    For your truck setup and trailer tongue weight of 700-lbs or less I would go with the 1000-lb Super Springs kit, part # SSR-209-40, which is the one you referenced in your question. These will engage with enough resistance to give you load support for leveling the rear without making the ride quality too harsh. An install video and written instructions are linked for you.
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  • Ride Height of the Sumo Springs Solo Custom Helper Springs
    By design, the Sumo Springs Solo Custom Helper Springs, part # SSR-209-40, don't normally affect your ride height. However, there are some applications where there will be contact with the springs just because of the distance from the frame to the suspension. In these cases, there will be a little bit of rear ride height added. That being said, there's always significant improvement to rear ride height when loaded enough to engage the springs, as the springs get more solid as you add weight...
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  • Recommended SumoSprings for 2020 GMC Sierra Towing Multiple Trailers
    Yes. The SumoSprings Solo Custom Helper Springs 1000 lb springs # SSR-209-40 and the 1500 lb springs # SS45FR are a similar length. The 1500 lb springs are 1/4 inch longer at 11 inches and they are also slightly wider. This is what helps them have the higher support capacity. The 1500 lb option also has the ability to utilize a spacer if you want them to engage sooner. When the vehicle is run unloaded, there won't be any noticeable difference in ride quality because the factory suspension...
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  • Where Do the Nuts Go On SumoSprings Solo Custom Helper Springs for 2017 Chevy Silverado 1500
    The SumoSprings Solo Custom Helper Springs part # SSR-209-40 are a great option for a 2017 Chevrolet Silverado 1500. It does come with some extra parts that won't be used for all installations since the springs do fit a wide range of different model years. The nuts won't be used for this installation, they are designed for older 4x4 models and used to install the off-set plate per the instructions.
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  • Can Offset Bracket of SumoSprings # SSR-209-40 Face Inside Instead of Rear on 2018 Silverado 1500
    You definitely can orient the offset brackets of the SumoSprings Solo Custom Helper Springs # SSR-209-40 so that they fit better on your 2018 Chevrolet Silverado 1500. It will not cause any stress on your frame. I confirmed this with my contact at Super Springs.
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  • Is Unloaded Ride Affected When Using SumoSprings on 2009 GMC Sierra 1500
    The SumoSprings Solo Custom Helper Springs # SSR-209-40 will not affect the ride much on your 20098 GMC Sierra 1500 when you are not towing or it is not under a load. It will create a bit of a stiffer ride so while you will likely notice it some, the springs are still a good option for occasional towing.
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  • Best Way to Reduce Body Roll on a 2015 GMC Sierra 1500
    The Timbren Rear Suspension Enhancement System part # TGMRCK15S and the SumoSprings Custom Helper Springs Kit part # SSR-209-40 are both great options to help reduce the body roll you are experiencing while loaded. Neither of these suspension enhancements will affect the ride of your vehicle while unloaded for the exception of the occasional bump or pothole. While loaded the Timbren springs will give you the most support and the SumoSprings will give you the most comfortable ride. For...
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  • SumoSpring Suspension Enhancement Recommendation for 2011 Chevy Silverado
    For a 2011 Chevy Silverado 1500 towing a 3,200 lb boat and trailer I'd go with the SumoSprings part # SSR-209-40 as it provides an additional 1,000 lbs of suspension support. I attached an install video for this as well. You might think that the higher the spring capacity the better but if you go too high you end up with a very rough ride.
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  • Are The SumoSprings Solo Custom Helper Springs # SSR-209-40 Sold as a Pair?
    The SumoSprings Solo Custom Helper Springs # SSR-209-40 are sold as a pair. This will give you a spring for each side of your 2014 Chevrolet Silverado 1500. We do not carry these individually at this time.
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  • Solution for Soft Rear Suspension of 2019 Chevy Silverado When Towing With Weight Distribution
    The problem you are having is pretty common with newer 1/2 ton trucks. Due to consumer complaints about the harsh ride, the manufacturers have made the rear suspension more supple which is fine unless you're trying to tow. A product like the easy to instsall SumoSprings # SS65FR would very likely be a good solution for you, but you'll need to take a measurement to determine if they'd work for you. The SumoSpring # SS65FR is about 5 inches tall, or 6 inches tall if the included 1 inch...
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  • How To Help with Bouncing While Using Weight Distribution on 2016 GMC Sierra 1500
    If you already have a weight distribution system then I would first recommend you try playing with the setting more to see if you can get rid of some of the bounce that way but if not, the SumoSprings Solo Custom Helper Springs you referenced will help with this as well. I recommend part # SSR-209-40 for a 2016 GMC Sierra 1500, these will work well with a weight distribution system since they do a great job of absorbing road shock. They also provide support but are one of the lower rated...
    view full answer...
  • Install Video for SumoSprings Solo Custom Helper Springs SSR-209-40 on GMC Sierra 1500
    There is an installation video for you to check out on a GMC Sierra 1500 of the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-209-40. I have added a link below to this video, as well as a link to the instructions for you. The video is on a Chevy Silverado, which is the same thing so the install will be the same as on your truck.
    view full answer...


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