This page lists 5 drivetrain parts for the 2018 Audi A1, across 4 part types, covering both the 1.4L L4 Turbocharged and the 1.8L L4 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Audi A1, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are CV Joint (2 parts), AWD Coupling Oil Filter (1 part) and Differential Seal (1 part). The other 1 part type covers the remaining 1 part.
The 2018 Audi A1 was sold with both the 1.4L L4 Turbocharged and the 1.8L L4 Turbocharged. 2 parts fit every engine; the other 3 are engine-specific. Each part shows which engine(s) it fits.
4 brands supply drivetrain parts for the 2018 Audi A1, led by VAICO (2 parts), GKN (1 part) and MARELLI (1 part), plus 1 more brand.
Each part number listed for the 2018 Audi A1 opens a page with every vehicle that part fits.
AWD Coupling Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: all 2018 A1 engines | V106662 | 🇲🇽 MX | View on Amazon |
This table covers the AWD Coupling Oil filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
One part is listed for the 2018 Audi A1 — VAICO V106662.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: 1.4L L4 Turbocharged | 306287 | 🇲🇽 MX | Thermosplastic Elastomer (TPE) | View on Amazon |
| MARELLI Fits: all 2018 A1 engines | TIJ0010 | 🇲🇽 MX | Front | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
2 CV Joint parts are listed for the 2018 Audi A1, from GKN and MARELLI. 1 part fits every engine; the other 1 is engine-specific.
This group includes GKN 306287 and MARELLI TIJ0010.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.8L L4 Turbocharged | 454820 | 🇲🇽 MX | Inside Diameter: 60.0 mmOutside Diameter: 74.0 mm | View on Amazon |
This table covers the seals at the Differential. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: ELRING 454820.
Drive Shaft Flex Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 1.4L L4 Turbocharged | V1018008 | 🇲🇽 MX | View on Amazon |
This table covers the flex joints in the driveshaft.
One part is listed for the 2018 Audi A1 — VAICO V1018008.
Buying Drivetrain Parts for a 2018 Audi A1
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Some drivetrain parts fit every engine; others are 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Joint and AWD Coupling Oil Filter .
Frequently Asked Questions
How many drivetrain parts fit the 2018 Audi A1?
Our catalog currently lists 5 drivetrain parts for the 2018 Audi A1 across 4 subcategories and 4 brands, covering both the 1.4L L4 Turbocharged and the 1.8L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2018 Audi A1 engines?
Some do. 2 parts fit every engine; the other 3 are engine-specific. Each row (and the filter at the top) shows which. 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 drivetrain problems on a 2018 Audi A1?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
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 2018 Audi A1 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 2018 Audi A1?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Audi A1
Drivetrain Parts for Other Audi A1 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.