2009 Cadillac STS Suspension Parts

Essential 2009 Cadillac STS Suspension Parts

Royal Purple – POWER STEERING FLUID (Part No.01326)

POWER STEERING FLUID

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$6.29
POWER STEERING FLUID

Monroe – Strut Mount (Part No.902134)

Strut Mount

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$17.99
Every new strut deserves a Monroe® Strut-Mate® Mounting Kit. Designed to reduce noise and vibration, Strut-Mate Mounting Kits complement the ride control characteristics of Monroe struts. Install when replacing conventional struts or springs.

Product Features:
  • PERFECT PAIRING — Ideal match for the ride control characteristics of Monroe® struts, replace all worn strut components with quality Monroe parts (sold separately) for a complete four-corner ride control upgrade
  • REDUCES NOISE AND VIBRATION — Features advanced elastomer technology for enhanced metal-to-rubber bonding that reduces noise, vibration and memory steer for improved performance
  • REPLACES OE — Available for most Monroe strut applications, this is a direct fit for replacing the OE strut mount
  • RIGOROUS TESTING — Fit checked and ride tested for quality you can count on
  • EASY TO INSTALL — Includes premium-quality replacement components where applicable – SAE-grade nuts and bolts, upper and lower spring isolators, OE-style bearings and mount, upper spring seat and front bearing plate that install easily
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KYB – Mount and Washer (Part No.SM5845)

Mount and Washer

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$19.29
KYB Strut Mounts eliminate the vibration and noise caused by old, hardened vibration insulators. They optimize suspension performance by offering OE quality replacement components designed for each application. KYB Strut Mounts cushion the impacts from road bumps to reduce the jarring effect, noise and vibration that old mounts transmit into the vehicle. Front bearing plates are the steering pivots and support vehicle weight. They are critical to steering performance and wheel alignment. KYB Strut Mounts and bearing plates have a reputation for providing the highest quality in the industry.

Product Features:
  • The Highest Quality Replacement Strut Mount Available
  • Optimizes Suspension Performance By Offering Original Equipment Quality Replacement Components Designed For Each Application
  • Superior Rubber Reduces Noise, Vibration And Harshness
  • Mount Bearings Provide Smoother Steering And Help Retain Front End Alignment
  • Matched Grade Studs And Nuts
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KYB – Bushing, Washer and Retainer (Part No.SM5844)

Bushing, Washer and Retainer

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$33.49
KYB Strut Mounts eliminate the vibration and noise caused by old, hardened vibration insulators. They optimize suspension performance by offering OE quality replacement components designed for each application. KYB Strut Mounts cushion the impacts from road bumps to reduce the jarring effect, noise and vibration that old mounts transmit into the vehicle. Front bearing plates are the steering pivots and support vehicle weight. They are critical to steering performance and wheel alignment. KYB Strut Mounts and bearing plates have a reputation for providing the highest quality in the industry.

Product Features:
  • The Highest Quality Replacement Strut Mount Available
  • Optimizes Suspension Performance By Offering Original Equipment Quality Replacement Components Designed For Each Application
  • Superior Rubber Reduces Noise, Vibration And Harshness
  • Mount Bearings Provide Smoother Steering And Help Retain Front End Alignment
  • Matched Grade Studs And Nuts
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Monroe – Specialty Shock Absorber (Part No.40056)

Specialty Shock Absorber

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$623.99
Monroe® Specialty Shock Absorbers are direct fit replacements for vehicles equipped with factory air or electronic suspension. Available for popular passenger car, light truck and SUV applications.

Product Features:
  • Direct OE style replacement
  • 100% compatible with the factory air or electronic suspension system
  • OE style air/electric connectors
  • Available for most popular applications
  • Restores your vehicle factory ride height and provides a stable comfortable ride
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Dorman – Suspension Air Compressor, With Mounting Bracket (Part No.949-032)

Suspension Air Compressor, With Mounting Bracket

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$601.99
This air suspension compressor is designed to match the fit and function of the original compressor on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this air suspension compressor is designed to match the fit and function of the original compressor on specified applications
  • Ideal solution – this compressor is a reliable replacement for an original part that has failed due to fatigue, moisture infiltration or burnout
  • Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
  • Trustworthy quality – designed in the United States and backed by more than a century of automotive aftermarket excellence
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Firestone Ride-Rite – Portable, Maximum 130 Psi, 18 Amps, With Compressor Only (Part No.9284)

Portable, Maximum 130 Psi, 18 Amps, With Compressor Only

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$251.99
The Air Command Standard Duty Dual Electric Air Compressor System Kit Allows You To Adjust Your Air Springs With The Touch Of A Button. It Offers A Built in Air Source For Your Suspension System, Making It Easy To Alter Your Springs To Align With The Load Type And Environment. When Shopping For Air Accessories, You will Find That Firestone Air Command Standard Duty Dual Electric Air Compressor System Kit Is Designed To Have A Couple Of Special Benefits. First, The Air Command Standard Duty Dual Electric Air Compressor System Kit Comes Ready To Install, So You Can Set It Up And Get Back To The Road where You Want To Be. Just Connect A Few Wires To The Compressor And A Few To Your Vehicle. The Air Lines And Wiring Harness Can Be Plugged Into The Same Side Of The Unit For Smoother Routing Of Lines And Power Supply. After The Air Command Standard Duty Dual Electric Air Compressor System Kit Is Properly Installed, You Can Make Pressure Adjustments By Pressing A Single Button. This Air Command Standard Duty Dual Electric Air Compressor System Kit Component Allows For Side To Side Or Front to rear Leveling, Real time Pressure Readout, And Dual Left And Right PSI And Pressure Control Readouts. The Air Command Standard Duty Dual Electric Air Compressor System Kit Easy to read Needle Gauge Can Be Viewed Day Or Night, Without Straining Or Squinting Your Eyes. Prior To Installing The Air Command Standard Duty Dual Electric Air Compressor System Kit, Review The Instructions And Identify All Of The Components To Help Make Sure You Get Maximum Performance From Both Your Air Springs And Air Command Standard Duty Dual Electric Air Compressor System Kit. The Installation Steps Are Different Depending On Whether You are Enhancing An Existing Air Helper Spring System With The Air Command Standard Duty Dual Electric Air Compressor System Kit Or Installing It With A New Air Spring System.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
  • Light Duty Compressor Specs (120 PSI Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)
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ACDelco – Gray Multi-Purpose Pigtail (Part No.PT3923)

Gray Multi-Purpose Pigtail

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$46.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – 2-Way Female Black Multi-Purpose Pigtail (Part No.PT146)

2-Way Female Black Multi-Purpose Pigtail

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$26.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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MOOG – Strut Bellows (Part No.K160285)

Strut Bellows

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$23.49
MOOG® Problem Solver® products incorporate proven design and engineering features for like new steering ease of installation and longer life. MOOG is the preferred steering and suspension brand of professional technicians and NASCAR crew chiefs.

Product Features:
  • Easy to install
  • Restores like-new steering and handling
  • Construction and design validated by MOOG engineers
  • Engineered to meet or exceed OE requirements
  • Incorporates proven design and engineering features
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ACDelco – Professional Suspension Control Arm Bushing (Part No.L2030588485ACD)

Professional Suspension Control Arm Bushing

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$20.71
ACDelco Professional, premium aftermarket Suspension Control Arm Bushings are the ideal high-quality aftermarket replacement component for many vehicles on the road today. These professional-grade control arm bushings help prevent potentially damaging contact between the control arm and other components, reducing friction and isolating engine vibration, while allowing your vehicle’s suspension components to move. ACDelco Professional, premium aftermarket Suspension Control Arm Bushings have a metal sleeve/rubber bushing design and use high temperature synthetics for long life and durability. These premium aftermarket replacement suspension control arm bushings are manufactured to meet your expectations for fit, form, and function. ACDelco offers a full line of Professional, premium aftermarket Chassis Parts to keep vehicles riding and handling like new. With competitive warranty coverage and products covering all major chassis systems and alignment products for many vehicles on the road today, it’s no wonder the pros rely on ACDelco Professional, premium aftermarket Chassis Parts.

Product Features:
  • High temperature synthetics and fatigue resistance support extended service life, even in harsh conditions
  • Silent-bloc metal sleeve/rubber bushing design supports proper alignment, stability, and durability
  • Premium, high-quality aftermarket component
  • Engineered to meet and exceed your expectations for fit, form, and function
  • Provides the performance and dependability you expect from ACDelco
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Firestone Ride-Rite – Controls Two Air Springs Simultaneously, With Compressor/Wiring Harness/Sensors (Part No.2543)

Controls Two Air Springs Simultaneously, With Compressor/Wiring Harness/Sensors

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$1154.99
While your vehicle trusts Firestone Ride-Rite (TM) air helper springs to deliver on-the-road control, confidence, and comfort, you trust Firestone Air Command (TM) products to take your experience to the next level. You look to air accessories like the Xtreme Air Cmd-S Compressor System. With the Xtreme Air Cmd-S Compressor System, you can easily modify your air spring inflation by pressing a button. It equips your vehicle suspension system with an instant air source, making it easy to modify your springs to fit the road conditions and load type. You’ll find that the Firestone Xtreme Air Cmd-S Compressor System features some very user-friendly advantages. Unpackage the Xtreme Air Cmd-S Compressor System and enjoy an easy installation, so you can get it set up and be back on the move. Connect one wire to the compressor and three to the vehicle. The wiring harness and air lines can be plugged into the same side of the unit for cleaner routing of power supply and lines.

Product Features:
  • Controls Two Air Springs Simultaneously
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Single Point Fill (Both Air Springs Fill To The Same Pressure)
  • Extreme Duty Compressor Specs (150 Pounds Per Square Inch Max Air Pressure, 100 Percent Duty Cycle, 0.94 CFM)
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Firestone Ride-Rite – Includes Heavy Duty Compressor/3 Gallon Air Tank/25 Foot Extension Hose (Part No.2239)

Includes Heavy Duty Compressor/3 Gallon Air Tank/25 Foot Extension Hose

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$823.99
Our Air Command systems give customers the ability to conveniently adjust their air springs with the touch of a button thanks to our Air Command Air Compressor Kits. Our designs provide an instant air source to a vehicle air suspension system, giving users the freedom to adjust their air springs to accommodate different loads and road conditions from both inside and outside of the vehicle.

Product Features:
  • The Easy To Read Digital Display Is Designed So You Can See It During The Day, But It Does Not Blind You At Night
  • The Wireless Remote Utilizes A New Sleep Cycle And LED Display That Reduces Energy Use And Improves Battery Life
  • Easy Installation
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Firestone Ride-Rite – Controls Two Air Springs Individually, Switch Operated (Part No.2168)

Controls Two Air Springs Individually, Switch Operated

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$1217.99
Designed to provide inflation control of your air helper springs. This kit will be an asset to your vehicle, meeting nearly all of your air supply needs.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
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KYB – Jounce Bumper and Bellows (Part No.SB132)

Jounce Bumper and Bellows

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$22.79
KYB Strut Boot Kits keep your struts protected from dirt, dust, sand, salt and other road debris. These harmful elements cause abrasive wear to the polished shaft, upper seal and bushing. KYB Strut Boot Kits prevent these contaminants from entering the strut by covering the entire strut shaft in a highly durable plastic bellows. This can easily extend the life of the strut. The KYB Strut Boot Kit includes a poly foam travel-limiting bumper. Its designed to protect the strut from bottoming out and protects other components from extreme movement damage.

Product Features:
  • Superior Quality Boot Helps Protect The Strut Shaft From Leak-Causing Dirt And Debris
  • Poly Foam Bumper Prevents The Strut From Bottoming Out
  • Built With Design And Quality That Matches Or Exceeds One
  • Protects The Upper Seal And Bushing
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Carquest Premium – A/C Compressor Control Relay (Part No.RAA1236)

A/C Compressor Control Relay

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$28.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Magnetic Ride Control Shock, Front (Part No.949-716)

Magnetic Ride Control Shock, Front

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$902.99
Magnetic ride control shocks are incredible, until they leak and fail. Fortunately, this replacement shock features the same advanced technology as the original, providing like-new ride quality for a lower cost than replacement at the dealer.

Product Features:
  • Direct replacement – this magnetic ride shock absorber features the same advanced technology as the original equipment on specific vehicles
  • Restores performance – magnetic shocks react far faster than conventional shocks – as fast as 1/1,000th of a second
  • Smart solution – offers like-new ride quality, handling and safety for far less than dealership replacement
  • Maintains value – replacing worn magnetic shocks preserves the resale value of vehicles originally equipped with this expensive option
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KYB – High Pressure Monotube Gas Strut (Part No.551606)

High Pressure Monotube Gas Strut

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$212.99
The Gas-a-just monotube shock absorber is available as an OE monotube replacement to restore your vehicles original capabilities. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.

Product Features:
  • The Correct, Monotube-Designed Orem Replacement
  • The KYB Gas-A-Just Helps Restore The Designed Control And Handling Of The Cadillac Sets
  • Gas-A-Just Monotubes Are Designed For Vehicles That Work, Tow, And Have Larger, Heavier Tires & Wheels
  • High Pressure Monotube Design Separates The Gas And Oil For Fade Free Operation And Instant Response
  • Fluid Leaking Can Be A Cause Of Shock Failure, The KYB Gas-A-Just Has An Ultra-Smooth Triple Chrome Plated Chrome Piston Rod To Reduce Seal Wear
  • The Higher Gas Pressure Of The KYB Gas-A-Just Responds Quickly To Improve Steering Response
  • Electronic Safety Systems Depend On The Suspension, Brakes And Tires Operating As The Vehicle Manufacturer Intended. The KYB Gas-A-Just Helps Keep Electronic Safety Systems Performing As Designed.
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Monroe – OESpectrum Monotube Strut (Part No.39135)

OESpectrum Monotube Strut

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$202.99
Providing an exceptional level of handling precision and control, Monroe® OESpectrum® Monotube struts are designed for vehicles originally equipped with monotube struts. OESpectrum Monotube struts filter out noise, vibration and harshness.

Product Features:
  • EXCEPTIONAL HANDLING — Full displaced valving, tuned specifically to each vehicle, adjusts to road extremes while the larger bore provides more efficient damping control to provide consistency and a smooth ride
  • IMPROVES PERFORMANCE — High pressure nitrogen gas charge maintains tire-to-road contact for improved ride and handling by reducing aeration and tight damping response provides vehicle control
  • CONSISTENT RIDE — High-temperature OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown
  • MAINTAINS STABILITY — Monotube Technology maintains vehicle control over bumps, dips and potholes for vehicles originally equipped with monotube shocks and struts
  • CONTROL AND DURABILITY — Fluon-banded piston provides consistent sealing between piston and high-strength pressure tube for better control, increased durability and longer service life
  • Nitrogen Gas Charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
  • 1/2 inch Diameter Piston Rod: Nitrocarburized rod for long service life. On non-dust shield units only.
  • Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.
  • Premium – Limited Lifetime Warranty
  • For Commercial Usage Refer to Product Warranty
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Dorman – Control Arm (Part No.L2000370694DOR)

Control Arm

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$363.56
Rigorously tested for sustained, secure performance by a team of product and quality engineers, Dorman’s Control Arm and Ball Joint Assembly is designed for passenger safety. Dorman’s industry-leading evaluation process ensures a smooth ride, directional stability, and agile handling.

Product Features:
  • Ball joints and bushings (when applicable) included for a complete installation, saving time and labor (where applicable)
  • Direct replacement for a trouble-free installation
  • Steel, iron or aluminum construction ensures durability
  • Powder-coated or painted for long-lasting rust and corrosion resistance
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Dorman – Control Arm (Part No.L2000370739DOR)

Control Arm

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$381.48
Control Arm

2009 Cadillac STS Suspension Parts

You count on your 2009 Cadillac STS to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Suspension Parts. With 25 Suspension Parts ranging in price from $6.29 to $1,217.99, you’re sure to find everything you need for your 2009 Cadillac STS.

Brands matter. If you want to shop a specific Suspension Parts brand, we stock 9 different brands like Carquest Premium, Firestone, and AC Delco. 2009 Cadillac STS Suspension Parts start as low as $6.29!

Did we mention you can order your Suspension Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Suspension Parts inventory for your 2009 Cadillac STS below to get started!

FAQs for 2009 Cadillac STS Suspension Parts

What are the most purchased Suspension Parts for the 2009 Cadillac STS?

Out of 25 Suspension Parts for the 2009 Cadillac STS, the most popular in our inventory are:
A/C Compressor Control Relay
from $28.49
This product is not rated
A/C Compressor Control Relay
Active Suspension Relays
Portable, Maximum 130 Psi, 18 Amps, With Compressor Only
from $251.99
This product is not rated
Portable, Maximum 130 Psi, 18 Amps, With Compressor Only
Suspension Air Compressors
2-Way Female Black Multi-Purpose Pigtail
from $26.49
This product is not rated
2-Way Female Black Multi-Purpose Pigtail
Air Suspension Sensor Connectors