The 2026 Audi S3 has one listed drivetrain part: a CV Joint from GKN, covering the 2.0L L4 Turbocharged — the only engine offered in the 2026 Audi S3. It includes a manufacturer part number and application notes.
On the 2026 Audi S3, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
The part number opens a page with every vehicle that part fits.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN | 306653 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 1.259 In | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
This group shows a single part: GKN 306653.
Buying Drivetrain Parts for a 2026 Audi S3
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- 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 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 .
Frequently Asked Questions
How many drivetrain parts fit the 2026 Audi S3?
This page lists one drivetrain part for the 2026 Audi S3: a CV Joint from GKN, covering the 2.0L L4 Turbocharged engine.
What are the signs of drivetrain problems on a 2026 Audi S3?
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 2026 Audi S3 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 2026 Audi S3?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. 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 2026 Audi S3
Drivetrain Parts for Other Audi S3 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.