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When you want to take your Cadillac from being just good to really amazing, upgrading the suspension can make a terrific difference to its overall performance and the feel of the ride. If you are looking at improving the suspension on your Cadillac STS, you can do it simply and effectively with some high quality after market suspension kits. At CARiD, we have chosen the latest and most beautifully engineered Cadillac STS suspension systems to include in this fabulous range, which can help any STS owner get the most out of this already very nice car.

We are confident you'll be hugely satisfied with the improvements in performance these awesome products give your Cadillac. We carry only top quality suspension products from the leading, most trusted manufacturers like Skyjacker, Eibach, Pro Comp, Hellwig and Air Lift, and they have all been thoroughly put through their paces by our own in house car experts before inclusion in the CARiD collection. Take a look through our selection and you will find excellent Cadillac STS lowering kits, bushings, shock absorbers and much more, allowing you to improve the ride of your STS a huge amount at a really cost effective low price. Order yours here on our terrific, easy to navigate website, or call us toll free to place your order today!

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    • (0 reviews)
      # sp15931
      Driver or Passenger Side Stocker Star Steel Economy Shock Absorber by QA1®. Quantity: 1 per Pack. Economy line of stock mount, stock appearing shocks. These shocks provide a significant upgrade from stock and are very economically...
      Twin-Tube internal designEasy, Bolt-In Installation
      $64.26 - $117.46
    • (1 review)
      # sp15959
      Front Driver or Passenger Side Stocker Star Aluminum Shock Absorber by QA1®. Compresed Height: 7.63". Extended Height: 11". Quantity: 1 per Pack. QA1’s Stocker Star is a lightweight aluminum non-coil-over shock. Used in drag...
      Twin-Tube internal designMade in the U.S.A.
      $119.76 - $285.01
    • (0 reviews)
      # sp15963
      Rear Driver or Passenger Side 53 Series Stock Mount Steel Twin Tube Circle Track Shock Absorber by QA1®. The new 53 Series is a stock mount twin tube shock absorber. Formerly the FC Series, this shock features hard-anodized...
      2 1/16" Steel twin tube bodyStock mount
      $134.14 - $138.40
    • (0 reviews)
      # sp15966
      FC Series Stock Mount Steel Shock Absorber by QA1®. FC Series, this shock features hard-anodized internals packaged inside a strong, steel stock mount body that allows for enhanced internal gas bag clearance. FC Series is...
      2 1/16" Steel twin tube bodyStock mount
      $91.00 - $100.59
    • (0 reviews)
      # sp18569
      Performance Shock Absorbers by Warrior®. Warrior manufactures its parts in the USA to ensure they are of the highest quality possible. As part of Warrior's commitment to quality, their engineering team over-engineers parts, which...
      Twin-Tube internal designPrecision engineered for your vehicle
      $12.01 - $102.00
    • (0 reviews)
      # sp9197
      Nivomat™ Shock Absorber by Sachs®. Sachs invented Nivomat technology as a means to improve the safety and performance of vehicles loaded with extra weight resulting from luggage, towing or other materials. Nivomat self-leveling...
      Driving comfort and safety for all load conditionsImproves roll stiffness at higher loading conditions
      $243.00 - $418.63
    • (1 review)
      # sp10227
      Specialty™ Shock Absorber by ACDelco®. ACDelco Load-Carrying Shocks offer the benefits of both spring and shock technology to help reduce ride-height loss in ongoing loaded conditions. Rely on ACDelco when you need strength,...
      A single-tube design and multi-stage sealing minimize chamber temperature and debris entry for longer-lasting performanceLarger 1 13/16" (46 mm) bore size allows the shock to react quicker to bumps and other road imperfections
      $36.85 - $273.82
    • (4 reviews)
      # sp7980
      Passive Suspension Conversion Kit by Suncore®. This is a Low Cost Alternative to OEM active electronic Shocks. This kit will convert your vehicle from Active Electronic Air Shocks to Passive Coil Over Gas Shocks. Replacing your Air...
      Easy to installInstallation instructions included
      $155.22 - $827.31
    • (0 reviews)
      # sp13240
      Passive Suspension Conversion Kit by Unity®. Unity’s priority has been to make the highest quality strut assembly available on the market. In order to achieve that goal, they have spent years researching the common problems with...
      Polymorphic grease is used inside the bearing plates and are tested to -50°c to 120°cPlastic components all tested for proper hardness levels
      $90.00 - $609.00
    • (1 review)
      # sp12326
      Coil-Rite™ Air Helper Spring Kit by Firestone®. Mount inside an existing open coil spring suspension. These air springs provide adjustable spring rates far superior to the standard coil spring. The durable polyurethane air...
      Control the air pressure in the air helper springs for varying loads and road conditionsSpring performance can be altered as easily as inflating a tire
      $69.34 - $863.43
    • (0 reviews)
      # sp24267
      Antirock Sway Bar by Currie®.
      $20.94 - $267.13
    • (0 reviews)
      # sp24268
      Antirock Sway Bar Kit by Currie®. Kit includes semi-gloss black powdercoated billet aluminum brackets, splined torsion style sway bar, arms, adjustable length heim jointed links, and all mounting hardware.
      $66.19 - $604.11
    • (0 reviews)
      # sp24458
      Track Bar by Warrior®. Warrior manufactures its parts in the USA to ensure they are of the highest quality possible. As part of Warrior's commitment to quality, their engineering team over-engineers parts, which helps to eliminate...
      Fully Collapsible For Easy StorageLocking Coupler
      $29.71 - $121.22
    • (0 reviews)
      # sp12324
      Air-Rite™ Air Compressor System by Firestone®. Provide instant control of the air helper springs from within the vehicle. Air-Rite™ systems allow quick inflation and deflation for various road and load conditions. Firestone has...
      Instant adjustability of your air helper springsIncreased life of the air helper springs
      $204.06 - $863.43
    • (0 reviews)
      # sp23114
      Air-Command Air Compressor by Firestone Suspension®. Firestone manufactures and provides air suspension products for wide variety of vehicles to provide you with a better ride and safe load-carrying capabilities. Firestone stands...
      Tested to outperform all comparable products on the marketMade from premium materials to endure years of abuse
      $59.16 - $878.65




    Guides & Articles

    • Off-Road Bumpers
      Skid Plates Provide The Ultimate In Off-Road Protection
      If you take your 4x4 off-roading, you have likely gained an appreciation of how unforgiving trails can be when it comes to your vehicle's underside. Deep ruts with rough edges can appear out of nowhere, sturdy-looking rocks can shift unexpectedly, and tranquil bodies of water can hide everything from sinkholes to fallen tree trunks. Before you know it, the underside of your truck has bounced off something hard enough to damage moving suspension components or puncture housings containing engine oil, gasoline, transmission fluid, or differential gear oil.
    • Performance Suspension Parts
      How much lift is needed for larger tires on my 2007-up Jeep Wrangler?
      Twenty years after the first Jeep Wrangler model debuted in 1987, third-generation Wranglers were introduced for the 2007 model year. Unlike any previous Wranglers or CJs, a 4-door Unlimited model (known internally as the "JKU" body) was offered alongside the standard 2-door ("JK" body). Because it took the off-road capability Wranglers are known for and broadened it with the practicality of 4 doors for those needing a family vehicle, third-generation Wranglers have proven very successful in the marketplace. Maintaining Jeep tradition, this Wrangler appeals by offering a higher-than-average number of advantages for the 4x4 enthusiast, whether it's used for rock crawling or as an everyday driver.
    • Performance Suspension Parts
      Coilovers Are Pricey - Why Would I Spend My Money For Them?
      When first glancing through the Performance Coilover Kits section of our website, you may be put off by some of the prices you see. After all, what are you buying other than a combo set of springs and shocks under some fancy name? Certainly, you ask yourself, can't you purchase springs and shocks separately and monetarily come out ahead?
    • Performance Suspension Parts
      Body Lifts & Suspension Lifts From 2 to 10 Inches | What are my Lift Kit Choices?
      Has this happened to you? You catch a glimpse of a truck like yours in a parking lot or around town that, for some reason, you like better than your own. It seems to have a stance that's more rugged-looking and more suited to a 4x4 than yours does. Maybe you get a chance to stop and take a closer look immediately, or maybe it's days or weeks before you see the other truck again.
    • Automotive Tools
      What Special Tools Are Available For Suspension Repair?
      Seasoned professional automotive technicians often say if you're using too much physical effort during a repair, you're simply not using the right tool. This is true, and a perfect example is repairing and replacing suspension components. If you've ever done this type of work or attempted to do it, you know it can be trickier than merely loosening and tightening bolts.
    • Performance Suspension Parts
      Coil, Leaf, & Torsion Bar | Describing The 3 Different Kinds of Springs
      The springs in your vehicle probably aren't something you think about until there's a problem or you've decided to upgrade suspension parts in the interest of sportier handling. But what specifically do springs do? In short, they play a major role in the safe handling and ride comfort of your vehicle. Not only do they keep a vehicle at a designated standing height, they provide recoil necessary to bounce back after suspension components move up and down over uneven road surfaces. By themselves, springs will continue to bounce up and down for a long time unless a motion damper such as a shock absorber is present to keep things stable. Springs can be soft and extremely bouncy, or they can be stiffer and less bounce-prone.
    • Performance Suspension Parts
      How Do Shock Absorbers Work?
      Shock absorbers (also known as "shocks") are the suspension components which slow, then stop, the up-and-down bouncing movement of your vehicle's springs through a process known as dampening. Without shocks to calm things down, springs will continue to extend and release energy they absorb from bumps in the road at an uncontrolled rate - bouncing for a long time until their kinetic energy finally dissipates. Needless to say, this would produce an extremely bouncy ride that would be hard to control over uneven road surfaces.
    • Performance Transmission Parts
      Suspension Enhancements Will Raise The Rear Of Your Tow Vehicle
      If you are using your "daily driver" car or truck for occasional towing duty, you are looking for that ideal sweet spot where the weekday commute is comfortable and quiet, and the weekend trailering feels solid and secure. In other words, you don't want to vehicle to feel too "stiff" during the week, nor do you want it to ride "soft" when pulling a trailer.
    • Wheels & Rims
      Stanced Wheels, Demon Camber | How Do I Get That Look?
      Stanced. Demon camber. You may know it as oni-camber. You've seen the look, and whether you like it or not is totally beside the point. The great thing about this stanced look is that it gets your attention. From the interviews we've read with owners and drivers of these machines, that is exactly what they are after. They've said that it's all about being noticed.
    • Performance Suspension Parts
      Stock vs Performance Suspension
      Very often we don't even realize what a crucial role a car's suspension plays in providing a safe and comfortable ride. The system maximizes the friction between the road surface and your vehicle's tires, ensuring steering stability along with responsive handling.
    • Performance Suspension Parts
      Shocks Versus Struts: The Big Answers Revealed!
      Shock absorbers, also known simply as “shocks” (which is what we will call them for the rest of this article), are the suspension components which stop your car or truck from bouncing up and down after hitting a bump. They are a major contributor to your ride comfort and safety.
    • Replacement Suspension Parts
      How to Inspect Your Suspension System
      The very first thing to know about timely suspension system diagnosis is that the stability and steering control of your vehicle and, what is more important, your safety on the road depends on how often you make it. Automotive suspension belongs to one of those car systems that are constantly exposed to high loads and thus are prone to wear and tear. Most specialists recommend inspecting suspension system after every 6,500-7,500 miles or when there are any signs of its breakage.
    • Performance Suspension Parts
      How Low Can You Go?
      Lowering is high on the list of many people who want to improve the appearance of their car. If you want to lower your car with the coil springs, then replacing them with lowering springs is the way to go. But what if you want to lower your car and also make it handle better? If that’s your goal then consider coil-over shocks.

    Popular Products

    Cadillac STS Performance Suspension Reviews

    Average rating:  4  4 - 1 review
    4 of 5
    Coilover Conversion 153G-32-4
    Reassurances that the replacement suspension pieces would bolt up without cutting or welding proved accurate. The ride of my Cad STS is smooth, & handling is competent finally. I like the car more than when it was newly purchased years ago. I would not hesitate to refer others to Suncore, particular other chagrined Cadillac owners seeking an aftermarket upgrade. Thank you for your professionalism and efficiency. H W Singer MD FAAP JD.
    HPosted by Howard (South Barrington, IL) /
    2007 Cadillac STS
    Was this review helpful for you? Yes
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