The 2021 Acura Ilx has 88 suspension parts with verified fitment on this page — 11 part types and 17 brands, covering the 2.4L L4 engine. Each part includes a manufacturer part number and application notes.
The suspension system on the 2021 Acura Ilx controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links. The largest groups are Sway Bar Link (37 parts), Control Arm (12 parts) and Alignment Bolt / Camber Plate (10 parts). The other 8 part types cover the remaining 29 parts.
Every part on this page is matched to the 2.4L L4 — the only engine offered in the 2021 Acura Ilx.
The most listed brands for 2021 Acura Ilx suspension parts are MEVOTECH (11 parts), DELPHI (8 parts) and SUSPENSIA (8 parts), plus 14 more brands. Quality grades include Daily Driver, Economy and Original Ride Quality.
16 parts on this 2021 Acura Ilx page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MOOG K90476 (Alignment Bolt / Camber Plate) and DELPHI TC8051 (Ball Joint). Click any part number to see every vehicle that part fits.
Alignment Bolt / Camber Plate
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG Popular | K90476 | 🇺🇸 US 🇨🇦 CA | KitCam Bolt | View on Amazon |
| ACDELCO | 45K18038 | 🇺🇸 US 🇨🇦 CA | GoldKit | View on Amazon |
| DELPHI | TAL10017 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| MOOG | K100024 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| MOOG | K100192 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK100024 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| DORMAN | 533119 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| FVP | AK90409 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| QUICK STEER | K90476 | 🇺🇸 US 🇨🇦 CA | Adapter Plate Not Included | View on Amazon |
| SKP | SK90476 | 🇺🇸 US 🇨🇦 CA | KitAdapter Plate Not Included | View on Amazon |
This table covers the cam bolts and plates used to set camber at the knuckle. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
10 Alignment Bolt / Camber Plate parts for the 2021 Acura Ilx come from 7 brands — MOOG, SKP, ACDELCO and 4 other brands. The "Popular" part is MOOG K90476.
In the Daily Driver grade, MOOG, ACDELCO and DELPHI supply 5 parts: grouped for everyday commuting duty. A representative part number is MOOG K90476.
The Economy section lists 5 options from SKP, DORMAN, FVP and 1 other brand — the catalog's value-priced group. SKP SK100024 is listed in this group.
Alignment Toe Adjuster
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG | K100396 | 🇺🇸 US 🇨🇦 CA | Greasable | View on Amazon |
This table covers the adjusters used to set toe.
This group shows a single part: MOOG K100396.
Ball Joint
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular | TC8051 | 🇺🇸 US 🇨🇦 CA | Front Lower | View on Amazon |
| MEVOTECH Popular | MS60522 | 🇺🇸 US 🇨🇦 CA | SupremeIncludes Hardware | View on Amazon |
| DORMAN | 539785 | 🇺🇸 US 🇨🇦 CA | Front Lower | View on Amazon |
| SUSPENSIA | X17BJ0388 | 🇺🇸 US 🇨🇦 CA | Front Lower | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1018597 | 🇺🇸 US 🇨🇦 CA | Front Lower | View on Amazon |
| MEVOTECH | GS60522 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
This table covers the ball joints that articulate each control arm at the knuckle.
6 Ball Joint parts for the 2021 Acura Ilx come from 5 brands — MEVOTECH, DELPHI, DORMAN and 2 other brands. The "Popular" part is DELPHI TC8051.
Daily Driver: 4 parts, from DELPHI, MEVOTECH, DORMAN and 1 other brand. A representative part number is DELPHI TC8051.
The Economy section: 2 options from BECK/ARNLEY and MEVOTECH. BECK/ARNLEY 1018597 is listed in this group.
Listed part numbers: DELPHI TC8051, MEVOTECH MS60522 and DORMAN 539785, plus the other parts above.
Coil Spring Seat / Insulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL | 4713956 | 🇺🇸 US 🇨🇦 CA | Front Lower Left | View on Amazon |
| DEA / MARMON RIDE CONTROL | 4713955 | 🇺🇸 US 🇨🇦 CA | Front Lower Right | View on Amazon |
| DEA / MARMON RIDE CONTROL | 4714314 | 🇺🇸 US 🇨🇦 CA | Front Upper | View on Amazon |
| KYB | SM5706 | 🇺🇸 US 🇨🇦 CA | Insulator | View on Amazon |
This table covers the rubber and polyurethane isolators that seat coil springs. Typical signs include a squeak from the spring pocket, or a spring that has walked off its seat. Replace the isolator whenever the spring is out — a crushed seat will noise a brand-new spring.
4 Coil Spring Seat / Insulator parts for the 2021 Acura Ilx come from 2 brands — DEA / MARMON RIDE CONTROL and KYB.
Part numbers include DEA / MARMON RIDE CONTROL 4713956, DEA / MARMON RIDE CONTROL 4713955 and DEA / MARMON RIDE CONTROL 4714314, among others listed above.
Control Arm
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 527979 | 🇺🇸 US 🇨🇦 CA | Rear UpperLateral Arm | View on Amazon |
| MEVOTECH Popular | CMS601005 | 🇺🇸 US 🇨🇦 CA | Supreme | View on Amazon |
| MOOG Popular | RK100426 | 🇺🇸 US 🇨🇦 CA | Adjustable | View on Amazon |
| ACDELCO | 45K0195 | 🇺🇸 US 🇨🇦 CA | GoldAdjustable | View on Amazon |
| DELPHI | TC8992 | 🇺🇸 US 🇨🇦 CA | Complete Arm with Ball Joint | View on Amazon |
| DELPHI | TC8993 | 🇺🇸 US 🇨🇦 CA | Complete Arm with Ball Joint | View on Amazon |
| SUSPENSIA | X17LA0386 | 🇺🇸 US 🇨🇦 CA | Rear Right Upper | View on Amazon |
| SUSPENSIA | X02CJ1402 | 🇺🇸 US 🇨🇦 CA | Complete Arm with Ball Joint | View on Amazon |
| SUSPENSIA | X02CJ1403 | 🇺🇸 US 🇨🇦 CA | Complete Arm with Ball Joint | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1028422 | 🇺🇸 US 🇨🇦 CA | Front Left Lower | View on Amazon |
| BECK/ARNLEY | 1028423 | 🇺🇸 US 🇨🇦 CA | Front Right Lower | View on Amazon |
| MEVOTECH | GS601005 | 🇺🇸 US 🇨🇦 CA | Original Grade | 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.
12 Control Arm parts for the 2021 Acura Ilx come from 7 brands — SUSPENSIA, MEVOTECH, DELPHI and 4 other brands. The "Popular" part is DORMAN 527979.
Daily Driver: 9 parts, from SUSPENSIA, DELPHI, DORMAN and 3 other brands. A representative part number is DORMAN 527979.
The Economy section: 3 options from BECK/ARNLEY and MEVOTECH. BECK/ARNLEY 1028422 is listed in this group.
Shock / Strut
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRT | 931464 | 🇺🇸 US 🇨🇦 CA | RearMonotube | View on Amazon |
Increased Handling/Stability
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KYB | 5530000 | 🇺🇸 US 🇨🇦 CA | Gas-A-Just Monotube | View on Amazon |
Original Ride Quality
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FCS Popular | 334075R | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| FCS | DT346331 | 🇺🇸 US 🇨🇦 CA | Monotube Gas Charged | View on Amazon |
| FCS | 334075L | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers the shocks and struts that damp wheel motion. Typical signs include a nose that keeps bouncing, cupped tires, or fluid weeping down the body. Replace shocks or struts in axle pairs and renew the mounts if they are torn or collapsed.
5 Shock / Strut parts for the 2021 Acura Ilx come from 3 brands — FCS, PRT and KYB. The "Popular" part is FCS 334075R.
The Economy section: 1 option from PRT. PRT 931464 is listed in this group.
In the Increased Handling/Stability grade, KYB supplies 1 part: grouped under the catalog's "Increased Handling/Stability" designation — the notes column spells out what sets them apart. A representative part number is KYB 5530000.
The Original Ride Quality section lists 3 options from FCS — grouped under the catalog's "Original Ride Quality" designation — the notes column spells out what sets them apart. FCS 334075R is listed in this group.
This group includes FCS 334075R, PRT 931464 and KYB 5530000 and the remaining parts above.
Shock / Strut & Coil Spring Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRT | 920789 | 🇺🇸 US 🇨🇦 CA | Suspension Strut and Coil Spring Assembly | View on Amazon |
| PRT | 920790 | 🇺🇸 US 🇨🇦 CA | Suspension Strut and Coil Spring Assembly | View on Amazon |
Original Ride Quality
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FCS Popular | 1334075L | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| TOP NOTCH Popular | ASS1213R | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| FCS | 1334075R | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| MONROE | 173440 | 🇺🇸 US 🇨🇦 CA | Quick-Strut | View on Amazon |
| MONROE | 173441 | 🇺🇸 US 🇨🇦 CA | Quick-Strut | View on Amazon |
| TOP NOTCH | ASS1213L | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers complete strut assemblies with the spring already installed.
8 Shock / Strut & Coil Spring Assembly parts for the 2021 Acura Ilx come from 4 brands — PRT, FCS, TOP NOTCH and 1 other brand. The "Popular" part is FCS 1334075L.
The Economy section: 2 options from PRT. PRT 920789 is listed in this group.
The Original Ride Quality section: 6 options from FCS, TOP NOTCH and MONROE. FCS 1334075L is listed in this group.
Part numbers include FCS 1334075L, PRT 920789 and PRT 920790, among others listed above.
Shock / Strut Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MONROE | 63628 | 🇺🇸 US 🇨🇦 CA | Strut-MateStrut Boot Kit | View on Amazon |
This table covers the Shock / Strut bellows.
One part is listed for the 2021 Acura Ilx — MONROE 63628.
Shock / Strut Mount
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1018414 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| KYB | SM5817 | 🇺🇸 US 🇨🇦 CA | Includes Bearing | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL | 4714053 | 🇺🇸 US 🇨🇦 CA | Includes Bearing | View on Amazon |
This table covers the upper mounts (and bearings) a strut bolts through at the tower. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
3 Shock / Strut Mount parts are listed for the 2021 Acura Ilx, from BECK/ARNLEY, KYB and DEA / MARMON RIDE CONTROL.
The Daily Driver section: 2 options from BECK/ARNLEY and KYB. BECK/ARNLEY 1018414 is listed in this group.
Economy: 1 part, from DEA / MARMON RIDE CONTROL. A representative part number is DEA / MARMON RIDE CONTROL 4714053.
Part numbers include BECK/ARNLEY 1018414, KYB SM5817 and DEA / MARMON RIDE CONTROL 4714053.
Strut Mount Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL | 4713490 | 🇺🇸 US 🇨🇦 CA | Rear Lower | View on Amazon |
This table covers the Strut Mount 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.
This group shows a single part: DEA / MARMON RIDE CONTROL 4713490.
Sway Bar Link
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 542113 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| DORMAN Popular | 542114 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| MOOG Popular | K750604 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| MOOG Popular | K750605 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| DELPHI | TC3468 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| DELPHI | TC3469 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| DELPHI | TC2746 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| DELPHI | TC2745 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| DORMAN | 542168 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| DORMAN | 542167 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| MEVOTECH | MS608104 | 🇺🇸 US 🇨🇦 CA | SupremeGreaseable | View on Amazon |
| MEVOTECH | MS608105 | 🇺🇸 US 🇨🇦 CA | SupremeGreaseable | View on Amazon |
| MEVOTECH | MS60829 | 🇺🇸 US 🇨🇦 CA | SupremeGreaseable | View on Amazon |
| MEVOTECH | MS60830 | 🇺🇸 US 🇨🇦 CA | SupremeGreaseable | View on Amazon |
| SUSPENSIA | X17SL0636 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| SUSPENSIA | X17SL0637 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| SUSPENSIA | X17SL1644 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| SUSPENSIA | X17SL1643 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| TRW | JTS7632 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| TRW | JTS7631 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK750125 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| SKP Popular | SK750126 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| BECK/ARNLEY | 1016390 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| BECK/ARNLEY | 1016391 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| BECK/ARNLEY | 1017719 | 🇺🇸 US 🇨🇦 CA | Front LeftEND LINK | View on Amazon |
| BECK/ARNLEY | 1017720 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| FVP | SL59621 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| FVP | SL59622 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| FVP | SL59071 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| FVP | SL59072 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| MEVOTECH | GS60830 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| MEVOTECH | GS60829 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| MEVOTECH | GS608104 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| QUICK STEER | K750604 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| QUICK STEER | K750605 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| SKP | SK750604 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| SKP | SK750605 | 🇺🇸 US 🇨🇦 CA | Front Left | 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.
37 Sway Bar Link parts for the 2021 Acura Ilx come from 10 brands — MEVOTECH, DORMAN, DELPHI and 7 other brands. The "Popular" part is DORMAN 542113. Daily Driver and Economy are all represented, and Daily Driver alone accounts for 20 parts.
Buying Suspension Parts for a 2021 Acura Ilx
On this vehicle, the suspension system controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.
- Confirm you have the 2.4L L4 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: Sway Bar Link and Control Arm .
Frequently Asked Questions
How many suspension parts fit the 2021 Acura Ilx?
Our catalog currently lists 88 suspension parts for the 2021 Acura Ilx across 11 subcategories and 17 brands, covering the 2.4L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of suspension problems on a 2021 Acura Ilx?
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 Acura Ilx 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 Acura Ilx?
Every part on this page is matched to the 2.4L L4 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 Acura Ilx
Suspension Parts for Other Acura Ilx Years
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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.