25 Steering parts are listed for the 2021 Audi A4 Allroad, in 3 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Audi A4 Allroad, the steering system connects driver to road through the rack, pump, tie rods, and column components. All 25 listed parts are Tie Rod End (20 parts), Knuckle (3 parts) and Rack and Pinion Bellow (2 parts).
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2021 Audi A4 Allroad.
The most listed brands for 2021 Audi A4 Allroad steering parts are MEVOTECH (6 parts), VAICO (4 parts) and BECK/ARNLEY (4 parts), plus 4 more brands. Quality grades include Daily Driver and Economy.
4 parts on this 2021 Audi A4 Allroad page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MEVOTECH MS70717 (Tie Rod End) and MEVOTECH MS70641 (Tie Rod End). Click any part number to see every vehicle that part fits.
Knuckle
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V107797 | 🇺🇸 US 🇨🇦 CA | Fits Right | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V107796 | 🇺🇸 US 🇨🇦 CA | Fits Left | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V107826 | 🇺🇸 US 🇨🇦 CA | Description: Front Axle Left | View on Amazon |
This table covers the steering knuckles that carry the hub, caliper and ball joints.
3 Knuckle parts for the 2021 Audi A4 Allroad come from VAICO.
In the Daily Driver grade, VAICO supplies 1 part: grouped for everyday commuting duty. A representative part number is VAICO V107797.
The Economy section lists 1 option from VAICO — the catalog's value-priced group. VAICO V107796 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: VAICO V107797, VAICO V107796 and VAICO V107826.
Rack and Pinion Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1033085 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DELPHI | TBR4541 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the rubber boots that seal the inner tie-rod joints on the rack.
2 Rack and Pinion Bellow parts are listed for the 2021 Audi A4 Allroad, from BECK/ARNLEY and DELPHI.
This group includes BECK/ARNLEY 1033085 and DELPHI TBR4541.
Tie Rod End
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH Popular | MS70717 | 🇺🇸 US 🇨🇦 CA | SupremeIncludes Hardware | View on Amazon |
| MEVOTECH Popular | MS70641 | 🇺🇸 US 🇨🇦 CA | SupremeIncludes Jam Nut | View on Amazon |
| MEVOTECH Popular | MS70642 | 🇺🇸 US 🇨🇦 CA | SupremeIncludes Jam Nut | View on Amazon |
| SUSPENSIA Popular | X01TE7443 | 🇺🇸 US 🇨🇦 CA | Front Right Outer | View on Amazon |
| DELPHI | TA3299 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| DELPHI | TA3302 | 🇺🇸 US 🇨🇦 CA | Left Outer | View on Amazon |
| DELPHI | TA3303 | 🇺🇸 US 🇨🇦 CA | Right Outer | View on Amazon |
| MOOG | ES801458 | 🇺🇸 US 🇨🇦 CA | Front Left Outer | View on Amazon |
| MOOG | ES801459 | 🇺🇸 US 🇨🇦 CA | Front Right Outer | View on Amazon |
| MOOG | EV801758 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| SUSPENSIA | X01TR7246 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| SUSPENSIA | X01TE7444 | 🇺🇸 US 🇨🇦 CA | Front Left Outer | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1018349 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| BECK/ARNLEY | 1018487 | 🇺🇸 US 🇨🇦 CA | Front Left Outer | View on Amazon |
| BECK/ARNLEY | 1018488 | 🇺🇸 US 🇨🇦 CA | Front Right Outer | View on Amazon |
| DORMAN | 543284 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| MEVOTECH | GS70717 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| MEVOTECH | GS70641 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| MEVOTECH | GS70642 | 🇺🇸 US 🇨🇦 CA | Original Grade | View on Amazon |
| VAICO | V105273 | 🇺🇸 US | InnerGrade: AM | 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.
20 Tie Rod End parts are listed for the 2021 Audi A4 Allroad, from MEVOTECH, SUSPENSIA, DELPHI and 4 other brands. MEVOTECH MS70717 carries the "Popular" badge.
The Daily Driver section: 12 options from MEVOTECH, SUSPENSIA, DELPHI and 1 other brand. MEVOTECH MS70717 is listed in this group.
Economy: 8 parts, from BECK/ARNLEY, MEVOTECH, DORMAN and 1 other brand. A representative part number is BECK/ARNLEY 1018349.
Buying Steering Parts for a 2021 Audi A4 Allroad
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Confirm you have the 2.0L L4 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 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 Knuckle .
Frequently Asked Questions
How many steering parts fit the 2021 Audi A4 Allroad?
Our catalog currently lists 25 steering parts for the 2021 Audi A4 Allroad across 3 subcategories and 7 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of steering problems on a 2021 Audi A4 Allroad?
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 A4 Allroad 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 A4 Allroad?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. 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 A4 Allroad
Steering Parts for Other Audi A4 Allroad Years
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