2021 Audi S4 Suspension Parts
Find Your Specific 2021 Audi S4 Suspension Parts
Below you will find various in-demand Audi Suspension Parts, components and accessories for your 2021 S4. Advance Auto Parts has popular S4 parts like Air Suspension and Kits, Shocks and Struts, Trailing Arms and more. You’ll also find aftermarket and OEM Suspension Parts for other S4 model years including
2013,
2014,
2015,
2016,
2018,
2019,
2020,
2022,
2023 and more. Select a category of 2021 Audi S4 Suspension Parts below and start saving instantly.
Popular 2021 Audi S4 Suspension Parts Categories
Essential Suspension Parts for 2021 Audi S4s
Febi – Strut Bump Stop (Part No.L303685150FEB)
from
$19.73
Febi’s superior quality Bump Stop prevents the bottoming out of struts; ensuring a high level of protection and a longer strut life.
Product Features:
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Product Features:
- Made from premium quality cellular polyurethane
- Perfectly compliment OE style struts
- Are built with design and quality that matches or exceeds OE quality
International Suspension Group – Strut Bumper (Part No.L303685149ISG)
from
$10.40
Strut Bumper
Meyle – Relay (Part No.P2020422128MEY)
from
$3.38
Relay
Carquest Premium – Multi Purpose Relay (Part No.RAA1245)
from
$10.29
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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MOOG – Control Arm Bushing (Part No.K201802)
from
$23.99
Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
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Product Features:
- HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
- PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
- OE-STYLE DESIGN — Engineered to match or exceed OE requirements
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- Incorporates proven design and engineering features
Lemfoerder – Control Arm Bushing (Part No.L2030124590LEM)
from
$23.17
The Lemfoerder Control Arm Bushing is OE Quality and is manufactured using only the highest quality materials and is designed to reduce road noise and vibration.
Product Features:
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Product Features:
- OE-Equivalent and a direct fit application.
- Meets or exceeds the OE specifications.
- Designed to reduce vibration and absorb noise.
Lemfoerder – Control Arm Bushing (Part No.L2030406245LEM)
from
$18.32
The Lemfoerder Control Arm Bushing is OE Quality and is manufactured using only the highest quality materials and is designed to reduce road noise and vibration.
Product Features:
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Product Features:
- OE-Equivalent and a direct fit application.
- Meets or exceeds the OE specifications.
- Designed to reduce vibration and absorb noise.
Beck/Arnley – Control Arm Bushing Set (Part No.101-6301)
from
$22.99
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.
Product Features:
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Product Features:
- Matches OE form, fit and function
- Bushings are resistant to heat, wear, salt, road grime, and oils
- Made from a high grade rubber compound
- Quality construction for durability
- Application specific for this vehicle
Febi – Sway Bar Link Nut (Part No.L1038567781FEB)
from
$1.29
Sway Bar Link Nut
Valvoline – Extended Protection Automatic Transmission Fluid, 1 Quart (Part No.899179)
from
$14.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula is suitable for use in 92% of vehicles in light duty automatic transmissions 2010 and newer. Keep your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
Product Features:
See More
Product Features:
- The ultimate protection for your automatic transmission
- 45% stronger against breakdown
- Dual Defense Additive Technology combines friction modifiers and anti-wear additives for two layers of protection
- Suitable for use in over 92% of vehicles in light duty automatic transmissions 2010 and newer
Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
- Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
- Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
Royal Purple – Max Performance Synthetic Power Steering Fluid (Part No.01326)
from
$6.29
Max Performance Synthetic Power Steering Fluid
Autopart International Inc – Control Arm (Part No.L20002068271API)
from
$187.17
Control Arm
Dorman – Suspension Control Arm (Part No.524-226)
from
$171.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles.
- Reliable fit – precision-engineered to match the design and dimensions of original components.
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
TRW – Control Arm (Part No.L2000664511TRW)
from
$96.44
TRW control arms can help improve fuel economy, emissions, energy savings, driving comfort and most important, safety. TRW provides hardware kits as standard on all ball joints, installation instructions and catalog information in all formats. Upper and lower Control Arms designed as:
Product Features:
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Product Features:
- Aluminium forged Control Arms
- Aluminium cast Control Arms – low weight/high performance
- Steel forged Control Arms
- Steel stamped Control Arms Ball Joints include the latest state-of-the-art high performance designs:
- Temperature resistant
- Low-torque/high comfort solution
- Ball stud diameters ranging from 25 to 42mm
- Integral and non-integral designs Built in Bushes:
- Rubber Bushes
- Rubber and Metal Bushes
- Hydraulic Bushes
Dorman – Suspension Control Arm (Part No.521-255)
from
$142.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles.
- Reliable fit – precision-engineered to match the design and dimensions of original components.
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Rein – Control Arm (Part No.SCA0366)
from
$189.99
Worn suspension can cause loose steering, increased wear on tires, excess noise and lead to misalignments. Rein Automotive OE quality suspension parts are direct replacements for OE suspension parts and will reduce the wear on tires and reduce noise as well as tighten steering. Rein Automotive« suspension parts come with the mounting hardware if required.
Product Features:
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Product Features:
- Produced with high quality materials to ensure maximum life and a smooth ride
- Manufactured to strict engineering standards/specifications in materials and tolerances
- Part has a high corrosion resistance for maximum life
- Matches original equipment design specifications
International Suspension Group – ISG Control Arm (Part No.L2000425679ISG)
from
$124.63
The ISG control arm is designed and manufactured to exact OEM specifications providing original equipment quality, durability and performance. ISG control arms incorporate ball joints and include bushings that are either original equipment or provide OE-equivalent quality, fit and form.
Product Features:
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Product Features:
- Designed to fit right the first time, all geometry and pivot axis match OEM placement
- Manufactured at TS16949 facilities (OEM grade)
- All parts are designed and quality approved using PPAP (Production Part Approval Process)
- Available in Forged Steel, Stamped Steel & Forged Aluminum (all meet or exceed OEM specifications)
- Service kits are included where applicable, nuts, washers, cotter pins, & zerk fittings
- European applications benefit from low friction ball sockets for precise steering feel
Febi – Control Arm (Part No.L2000386022FEB)
from
$87.08
The Febi control arm is manufactured to exact OEM specifications providing original equipment quality, durability and performance.
Product Features:
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Product Features:
- OE-Equivalent and Direct fit for easy Installation.
- Manufactured using high quality OE materials.
- Includes factory specified hardware.
TRW – Control Arm (Part No.L2000664546TRW)
from
$76.99
TRW control arms can help improve fuel economy, emissions, energy savings, driving comfort and most important, safety. TRW provides hardware kits as standard on all ball joints, installation instructions and catalog information in all formats. Upper and lower Control Arms designed as:
Product Features:
See More
Product Features:
- Aluminium forged Control Arms
- Aluminium cast Control Arms – low weight/high performance
- Steel forged Control Arms
- Steel stamped Control Arms Ball Joints include the latest state-of-the-art high performance designs:
- Temperature resistant
- Low-torque/high comfort solution
- Ball stud diameters ranging from 25 to 42mm
- Integral and non-integral designs Built in Bushes:
- Rubber Bushes
- Rubber and Metal Bushes
- Hydraulic Bushes
Dorman – Suspension Track Bar (Part No.520-372)
from
$129.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
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Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles.
- Reliable fit – precision-engineered to match the design and dimensions of original components.
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Dorman – Suspension Control Arm (Part No.522-780)
from
$133.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
See More
Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles.
- Reliable fit – precision-engineered to match the design and dimensions of original components.
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Lemfoerder – OE Replacement Control Arm (Part No.L2000407770LEM)
from
$152.63
The Lemfoerder control arm is manufactured to exact OEM specifications providing original equipment quality, durability and performance.
Product Features:
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Product Features:
- OE-Equivalent and Direct fit for easy Installation.
- Manufactured using high quality OE materials.
- Includes factory specified hardware.
Febi – Control Arm (Part No.L2000324573FEB)
from
$90.71
The Febi control arm is manufactured to exact OEM specifications providing original equipment quality, durability and performance.
Product Features:
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Product Features:
- OE-Equivalent and Direct fit for easy Installation.
- Manufactured using high quality OE materials.
- Includes factory specified hardware.
MOOG – Control Arm (Part No.RK642746)
from
$122.99
MOOG premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection.
Product Features:
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Product Features:
- EASY TO INSTALL — Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box
- HIGHLY PRECISE ENGINEERING — Optimized bushings for quiet operation and resistance to wear, salt, road grime and oils
- COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
- Construction and design validated by MOOG engineers
- Broad coverage for foreign and domestic applications
Delphi – Control Arm (Part No.L2000307127DEL)
from
$77.83
Control Arm
Lemfoerder – OE Replacement Control Arm (Part No.L2000386243LEM)
from
$199.78
The Lemfoerder control arm is manufactured to exact OEM specifications providing original equipment quality, durability and performance.
Product Features:
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Product Features:
- OE-Equivalent and Direct fit for easy Installation.
- Manufactured using high quality OE materials.
- Includes factory specified hardware.
Dorman – Suspension Control Arm (Part No.522-779)
from
$133.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
See More
Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles.
- Reliable fit – precision-engineered to match the design and dimensions of original components.
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Upgrade your 2021 Audi S4 with Top-Quality Suspension Parts
When it comes to maintaining or upgrading your 2021 Audi S4, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Audi or enhancing its overall performance, Suspension Parts are key to keeping your S4 functioning at its best. At Advance Auto Parts, we offer a wide selection of 14 Suspension Parts for the 2021 Audi S4, designed to meet your needs without breaking the bank.
From
Air Suspension and Kit
replacements to
Shocks and Struts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Suspension Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Suspension Parts for your 2021 Audi S4 at great prices.
Our Suspension Parts inventory for this model
ranges from just $1.23 to $551.65, with
an average price of $116.11.
Our 14 Suspension Parts in stock come from 9 trusted brands, so you’re sure to find the right part for your 2021 Audi S4 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 Audi S4, we stock popular OEM and aftermarket Suspension Parts from top names
like Valvoline, and more.
Valvoline Suspension Parts
start at just $14.99 and boast an impressive 5 stars average rating from customers.
With 892 customer reviews and counting, our 2021 Audi S4 Suspension Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Suspension Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2021 Audi S4 is always ready to roll. We’re committed to providing you with everything you need to keep your S4 in top shape, all in one place.
Start shopping confidently below for your 2021 Audi S4!
Best-Selling Air Suspension and Kits for 2021 Audi S4s
Enhance the driving experience in your Audi with 3 quality Air Suspension and Kit components, starting at $3.38.
Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)
from
$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.
Product Features:
See More
Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
- Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
- Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
Valvoline – Extended Protection Automatic Transmission Fluid, 1 Quart (Part No.899179)
from
$14.99
Modern transmissions are better than ever, with more gears to help improve fuel efficiency and acceleration. Greater performance calls for greater protection. Valvoline Extended Protection Full Synthetic ATF features our exclusive Dual Defense Additive Technology for two layers of protection against metal-on-metal contact and thermal breakdown, all while minimizing wear on clutch components. In fact, Valvoline Extended Protection Full Synthetic ATF is 45% stronger against breakdown compared to major brand DEX/MERC oxidative PDSC performance. Proven to maximize transmission life, our patented formula is suitable for use in 92% of vehicles in light duty automatic transmissions 2010 and newer. Keep your modern vehicle shifting smoothly, mile after mile, with the ultimate protection you can only expect from Valvoline, the #1 ATF brand.
Product Features:
See More
Product Features:
- The ultimate protection for your automatic transmission
- 45% stronger against breakdown
- Dual Defense Additive Technology combines friction modifiers and anti-wear additives for two layers of protection
- Suitable for use in over 92% of vehicles in light duty automatic transmissions 2010 and newer
Meyle – Relay (Part No.P2020422128MEY)
from
$3.38
Relay
Most Popular 2021 Audi S4 Shocks and Struts
Customize your Audi with 4 Shocks and Struts products
like Strut Bumpers,
Shock Absorber Nuts, and
Suspension Strut Nuts, all
priced under $11.78.
Autopart International Inc – Strut Bumper (Part No.L30363157674API)
from
$11.78
Strut Bumper
International Suspension Group – Strut Bumper (Part No.L303685149ISG)
from
$10.40
Strut Bumper
Febi – Sway Bar Link Nut (Part No.L1038567781FEB)
from
$1.29
Sway Bar Link Nut
Elring – Exhaust Flange Nut (Part No.H10082671599ELR)
from
$1.23
Exhaust Flange Nut
Top Picks for 2021 Audi S4 Trailing Arms
Upgrade Audi S4s with top-quality Trailing Arms parts, including 1 OEM and aftermarket selections for your 2021 model.
Worldpac – CONTROL ARM (Part No.L20001722187FEB)
from
$136.67
CONTROL ARM
In-Demand Control Arms for 2021 Audi S4s
Select from 6 premium Control Arms parts for your 2021 Audi S4, with prices ranging from $52.13 to $551.65.
Worldpac – CONTROL ARM (Part No.L20001340206FEB)
from
$551.65
CONTROL ARM
Dorman – Suspension Control Arm (Part No.526-827)
from
$298.99
This suspension control arm is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.
Product Features:
See More
Product Features:
- Direct replacement – fits and performs like the original equipment on specific vehicles
- Reliable fit – precision-engineered to match the design and dimensions of original components
- Durable construction – manufactured to strict standards using sturdy, safe materials
- Rigorously tested – thorough quality control measures ensure longevity
Autopart International Inc – Control Arm (Part No.L20001920002API)
from
$213.66
Control Arm
Autopart International Inc – Control Arm (Part No.L20002017511API)
from
$213.66
Control Arm
Lemfoerder – Control Arm Bushing (Part No.L20303087466LEM)
from
$79.25
Control Arm Bushing
Autopart International Inc – Control Arm Bushing (Part No.L20302007808API)
from
$52.13
Control Arm Bushing
Top-Rated Suspension Parts Brands For Your 2021 Audi S4
Shop for the best-rated brands offering Suspension Parts and other products for your 2021 Audi S4s. Below you’ll find some of our best rated Suspension Parts from Valvoline, and more. Suspension Parts from these brands that fit a 2021 S4 start at just $14.99 and are rated as high as 5 stars. OEM and aftermarket Suspension Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Valvoline 2021 Audi S4 Suspension Parts
When it comes to maintaining or upgrading your 2021 Audi S4, using quality Suspension Parts is essential to ensure durability and a perfect fit. Valvoline ticks all of those boxes. We offer a wide selection of Valvoline Suspension Parts, specifically designed for the 2021 Audi S4. With over 2 Valvoline brand Suspension Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $14.99, with an average price of just $25.74. Plus, with over 446 customer reviews and an average rating of 5 stars, you can trust that our Valvoline Suspension Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$36.49
$36.49
(446)
MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon
“Good product”
FAQs for 2021 Audi S4 Suspension Parts
Which Suspension Parts are best-sellers for 2021 Audi S4s?
Out of 14 Suspension Parts that fit 2021 Audi S4s, the following parts are the top sellers:
- Extended Protection Automatic Transmission Fluid, 1 Quart (50012424) – $14.99
- Strut Bumper (12601891) – $11.78
- Strut Bumper (12011555) – $10.40
What’s the price range for 2021 Audi S4 Suspension Parts?
Suspension Part prices for the 2021 Audi S4 start at $1.23 and go up to $551.65 for the most premium parts.
What’s the average price of a Suspension Part for a 2021 Audi S4?
The average price for Suspension Parts for the 2021 Audi S4 is $116.11. Keep in mind the variety of part types within our Suspension Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Suspension Parts for other Audi S4 model years?
What are the cheapest Suspension Parts for my 2021 Audi S4?
The cheapest 2021 Audi S4 Suspension Parts we carry in stock are:
- Exhaust Flange Nut (12504014) – $1.23
- Sway Bar Link Nut (11583231) – $1.29
- Relay (10952553) – $3.38
- Strut Bumper (12011555) – $10.40
- Strut Bumper (12601891) – $11.78
What types of Suspension Parts do you sell for my 2021 Audi S4?
As of 2/5/25, these are some of the most in-demand types of Suspension Parts for a 2021 Audi S4:
Can I get help with 2021 Audi S4 Suspension Part orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Audi Suspension Parts and more.
What is your return policy for Audi S4 Suspension Parts?
Advance Auto Parts keeps returns simple. For new Audi S4 Suspension Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
