The 2026 Audi A3 has 9 automatic transmission parts with verified fitment on this page — 3 part types and 6 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2026 Audi A3, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. All 9 listed parts are Transmission Fluid (6 parts), Transmission Mount (2 parts) and Filter (1 part).
The 2026 Audi A3 was sold with both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2026 Audi A3 automatic transmission parts are LIQUI MOLY (3 parts), PENTOSIN (2 parts) and VARIOUS MFR (1 part), plus 3 more brands.
2 parts on this 2026 Audi A3 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including LIQUI MOLY 20044 (Transmission Fluid) and VALVOLINE 888705 (Transmission Fluid). Click any part number to see every vehicle that part fits.
Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR Fits: 2.0L L4 Turbocharged | PT99566 | 🇺🇸 US 🇨🇦 CA | Cartridge Filter | View on Amazon |
This table covers the replacement filters for this application — the table heading and notes say which circuit. 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.
This group shows a single part: VARIOUS MFR PT99566.
Transmission Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular Fits: 2.0L L4 Turbocharged | 20044 | 🇺🇸 US 🇨🇦 CA | Dual Clutch Oil 81001 Liter | View on Amazon |
| VALVOLINE Popular Fits: 2.0L L4 Turbocharged | 888705 | 🇺🇸 US 🇨🇦 CA | Dual Clutch Full Synthetic Automatic Transmission Fluid1 Quart | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 Turbocharged | 20116 | 🇺🇸 US 🇨🇦 CA | Dual Clutch Oil 81005 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.0L L4 Turbocharged | 20046 | 🇺🇸 US 🇨🇦 CA | Dual Clutch Oil 810020 Liter | View on Amazon |
| PENTOSIN Fits: 2.0L L4 Turbocharged | 1070107 | 🇺🇸 US 🇨🇦 CA | FFL525291 Liter | View on Amazon |
| PENTOSIN Fits: 2.0L L4 Turbocharged | 1070207 | 🇺🇸 US 🇨🇦 CA | FFL525295 Liters | View on Amazon |
This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.
6 Transmission Fluid parts for the 2026 Audi A3 come from 3 brands — LIQUI MOLY, PENTOSIN and VALVOLINE. The "Popular" part is LIQUI MOLY 20044.
This group includes LIQUI MOLY 20044, VALVOLINE 888705 and LIQUI MOLY 20116 and the remaining parts above.
Transmission Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 2.0L L4 Turbocharged | 9917 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftAutomatic Dual Clutch trans. | View on Amazon |
| REIN Fits: 2.0L L4 Turbocharged | AVT0758 | 🇺🇸 US 🇨🇦 CA | Automatic Dual Clutch Mount | View on Amazon |
This table covers the mounts that hold the transmission to the chassis. 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.
2 Transmission Mount parts are listed for the 2026 Audi A3, from ANCHOR and REIN.
This group includes ANCHOR 9917 and REIN AVT0758.
Buying Automatic Transmission Parts for a 2026 Audi A3
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Match the engine first. Every automatic transmission 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 filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Transmission Fluid and Transmission Mount .
Frequently Asked Questions
How many automatic transmission parts fit the 2026 Audi A3?
Our catalog currently lists 9 automatic transmission parts for the 2026 Audi A3 across 3 subcategories and 6 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do automatic transmission parts differ between 2026 Audi A3 engines?
Yes. Every automatic transmission 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 automatic transmission problems on a 2026 Audi A3?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. 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 filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
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 A3 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 A3?
First match the engine — each row shows which engine(s) the part fits. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Audi A3
Automatic Transmission Parts for Other Audi A3 Years
Switch vehicle or jump to a subcategory
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.