The 2021 Audi A8 has 23 steering parts with verified fitment on this page — 3 part types and 7 brands, covering all 3 engine options (3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged and 4.0L V8 Turbocharged). Each part includes a manufacturer part number and application notes.
On the 2021 Audi A8, the steering system connects driver to road through the rack, pump, tie rods, and column components. All 23 listed parts are Tie Rod End (19 parts), Rack and Pinion Bellow (3 parts) and Rack and Pinion (1 part).
The 2021 Audi A8 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
7 brands supply steering parts for the 2021 Audi A8, led by MEVOTECH (6 parts), BECK/ARNLEY (5 parts) and DELPHI (4 parts), plus 4 more brands. Quality grades include Economy and Daily Driver.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi A8. 4 parts have it, including DELPHI TA2873 (Tie Rod End) and DELPHI TA3397 (Tie Rod End). Each part number opens a page with every vehicle that part fits.
Rack and Pinion
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAE Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | ER9170 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured Electronic Rack and Pinion Complete | View on Amazon |
This table covers the steering gear assemblies that turn the tie rods. Typical signs include fluid at a torn boot, a growl when you turn, or play that the inner tie rods do not explain. Flush the old power-steering fluid with the rack — grit in the old fluid is the usual cause of a repeat leak.
One part is listed for the 2021 Audi A8 — AAE ER9170.
Rack and Pinion Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 1033166 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left | View on Amazon |
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 1033167 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Right | View on Amazon |
| DELPHI Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | TBR4567 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
This table covers the rubber boots that seal the inner tie-rod joints on the rack.
3 Rack and Pinion Bellow parts for the 2021 Audi A8 come from 2 brands — BECK/ARNLEY and DELPHI.
This group includes BECK/ARNLEY 1033166, BECK/ARNLEY 1033167 and DELPHI TBR4567.
Tie Rod End
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | TA2873 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| DELPHI Popular Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | TA3397 | 🇺🇸 US 🇨🇦 CA | Left Outer | View on Amazon |
| DELPHI Popular Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | TA3398 | 🇺🇸 US 🇨🇦 CA | Right Outer | View on Amazon |
| MEVOTECH Popular Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | MS10762 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SupremeIncludes Hardware | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | MS70637 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Supreme | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | MS70638 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Supreme | View on Amazon |
| MOOG Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | ES801681 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| MOOG Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | ES801680 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 1018348 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 1018478 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 1018479 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| DORMAN Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 543285 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| DORMAN Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 543893 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| DORMAN Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | 543894 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| FAMOUS BRAND Fits: 3.0L V6 ELECTRIC/GAS Turbocharged | 300512720 | 🇺🇸 US 🇨🇦 CA | InnerFront | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | GS10762 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | GS70637 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | GS70638 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG Fits: 3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | EV801817 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
This table covers the inner and outer tie-rod ends that steer each front knuckle. Typical signs include play on center, a feathered front tire, or a boot that has split and packed with grit. Replace inner and outer ends together on a high-mileage axle, then get an alignment.
19 Tie Rod End parts for the 2021 Audi A8 come from 6 brands — MEVOTECH, DELPHI, MOOG and 3 other brands. The "Popular" part is DELPHI TA2873.
In the Daily Driver grade, DELPHI, MEVOTECH and MOOG supply 8 parts: grouped for everyday commuting duty. A representative part number is DELPHI TA2873.
The Economy section lists 10 options from BECK/ARNLEY, DORMAN, MEVOTECH and 1 other brand — the catalog's value-priced group. BECK/ARNLEY 1018348 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Buying Steering Parts for a 2021 Audi A8
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Match the engine first. Every steering part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Tie Rod End and Rack and Pinion Bellow .
Frequently Asked Questions
How many steering parts fit the 2021 Audi A8?
Our catalog currently lists 23 steering parts for the 2021 Audi A8 across 3 subcategories and 7 brands, covering all 3 engine options (3.0L V6 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged and 4.0L V8 Turbocharged). Each part is matched to the engine(s) it fits.
Do steering parts differ between 2021 Audi A8 engines?
Yes. Every steering part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of steering problems on a 2021 Audi A8?
Common symptoms include play or looseness on center, a whine when turning, fluid weeping from rack boots, or uneven tire wear on the front axle. 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 the inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
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 A8 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 A8?
First match the engine — each row shows which engine(s) the part fits. Then flush old power-steering fluid when replacing a pump or rack — grit in the old fluid is the number-one cause of repeat failure. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Audi A8
Steering Parts for Other Audi A8 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.