20 Suspension parts are listed for the 2021 Audi RS Q3, in 5 part types, covering the 2.5L L5 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The suspension system on the 2021 Audi RS Q3 controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. The largest groups are Control Arm (7 parts), Ball Joint (4 parts) and Sway Bar Link (4 parts). The other 2 part types cover the remaining 5 parts.
The 2021 Audi RS Q3 came with a single engine, the 2.5L L5 Turbocharged, and every part is verified against it.
4 brands supply suspension parts for the 2021 Audi RS Q3, led by DORMAN (8 parts), MARELLI (5 parts) and FVP (4 parts), plus 1 more brand. Quality grades include Daily Driver and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi RS Q3. 2 parts have it, including DORMAN 520058 (Control Arm) and DORMAN 528316 (Control Arm). Each part number opens a page with every vehicle that part fits.
Ball Joint
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 538813 | 🇲🇽 MX | Front Left Lower | View on Amazon |
| DORMAN | 538814 | 🇲🇽 MX | Front Right Lower | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | BJ43023 | 🇲🇽 MX | Front Left Lower | View on Amazon |
| FVP | BJ43024 | 🇲🇽 MX | Front Right Lower | View on Amazon |
This table covers the ball joints that articulate each control arm at the knuckle.
4 Ball Joint parts are listed for the 2021 Audi RS Q3, from DORMAN and FVP.
The Daily Driver section lists 2 options from DORMAN — grouped for everyday commuting duty. DORMAN 538813 is listed in this group.
In the Economy grade, FVP supplies 2 parts: the catalog's value-priced group. A representative part number is FVP BJ43023.
Listed part numbers: DORMAN 538813, DORMAN 538814 and FVP BJ43023, plus the other parts above.
Control Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 520058 | 🇲🇽 MX | Rear Lower Forward | View on Amazon |
| DORMAN Popular | 528316 | 🇲🇽 MX | Adjustable | View on Amazon |
| MARELLI | ARM1039 | 🇲🇽 MX | RearTrailing Arm | View on Amazon |
| MARELLI | ARM1046 | 🇲🇽 MX | Front RightTrailing Arm | View on Amazon |
| MARELLI | ARM1047 | 🇲🇽 MX | Front LeftTrailing Arm | View on Amazon |
| MARELLI | ARM187 | 🇲🇽 MX | Rear RightTrailing Arm | View on Amazon |
| MARELLI | ARM188 | 🇲🇽 MX | Rear LeftTrailing Arm | View on Amazon |
This table covers the control arms that locate each hub relative to the chassis. Typical signs include clunks over bumps, a wander on the highway, or inner-edge tire wear. Get an alignment after any control-arm work, and inspect the ball joint and bushings that came with the arm.
7 Control Arm parts are listed for the 2021 Audi RS Q3, from MARELLI and DORMAN. DORMAN 520058 carries the "Popular" badge.
Listed part numbers: DORMAN 520058, DORMAN 528316 and MARELLI ARM1039, plus the other parts above.
Ride Height Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ARNOTT | RH5046 | 🇲🇽 MX | Front Right | View on Amazon |
| ARNOTT | RH5047 | 🇲🇽 MX | Front Left | View on Amazon |
| ARNOTT | RH5222 | 🇲🇽 MX | Rear Left | View on Amazon |
This table covers the Ride Height sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
ARNOTT supplies the 3 Ride Height Sensor parts for the 2021 Audi RS Q3.
Part numbers include ARNOTT RH5046, ARNOTT RH5047 and ARNOTT RH5222.
Subframe Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 537961 | 🇲🇽 MX | Rear Rearward | View on Amazon |
| DORMAN | 537962 | 🇲🇽 MX | Rear Forward | View on Amazon |
This table covers the Subframe bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
DORMAN supplies both parts for the 2021 Audi RS Q3.
This group includes DORMAN 537961 and DORMAN 537962.
Sway Bar Link
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 542032 | 🇲🇽 MX | Rear | View on Amazon |
| DORMAN | 542027 | 🇲🇽 MX | Front | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | SL43255 | 🇲🇽 MX | Front | View on Amazon |
| FVP | SL43575 | 🇲🇽 MX | Rear | View on Amazon |
This table covers the links that connect the anti-roll bar to each control arm or strut. Typical signs include a clunk on one wheel over a driveway, or a rattle that goes away when you lean on the bar. Replace links in pairs; a seized stud often takes the bushing with it.
4 Sway Bar Link parts are listed for the 2021 Audi RS Q3, from DORMAN and FVP.
The Daily Driver section: 2 options from DORMAN. DORMAN 542032 is listed in this group.
Economy: 2 parts, from FVP. A representative part number is FVP SL43255.
Listed part numbers: DORMAN 542032, DORMAN 542027 and FVP SL43255, plus the other parts above.
Buying Suspension Parts for a 2021 Audi RS Q3
On this vehicle, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.
- Confirm you have the 2.5L L5 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace shocks and struts in axle pairs, renew the sway-bar links with the struts, and get an alignment after any control-arm or tie-rod work.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Control Arm and Ball Joint .
Frequently Asked Questions
How many suspension parts fit the 2021 Audi RS Q3?
Our catalog currently lists 20 suspension parts for the 2021 Audi RS Q3 across 5 subcategories and 4 brands, covering the 2.5L L5 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of suspension problems on a 2021 Audi RS Q3?
Common symptoms include clunks over speed bumps, wandering steering, cupped tire wear, or a nose that keeps bouncing after a dip. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace shocks and struts in axle pairs, renew the sway-bar links with the struts, and get an alignment after any control-arm or tie-rod work.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Audi RS Q3 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Audi RS Q3?
Every part on this page is matched to the 2.5L L5 Turbocharged engine. Then worn bushings often mimic bad shocks — inspect before buying, and remember loaded vs unloaded strut assemblies differ in labor by hours. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Audi RS Q3
Suspension Parts for Other Audi RS Q3 Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.