This page lists 10 drivetrain parts for the 2025 Audi Q8, across 5 part types, covering both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2025 Audi Q8, 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 Transfer Case Fluid (4 parts), CV Joint Boot (3 parts) and CV Axle (1 part). The other 2 part types cover the remaining 2 parts.
The 2025 Audi Q8 was sold with both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged. 4 parts fit every engine; the other 6 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Audi Q8 drivetrain parts are GKN (5 parts), VALVOLINE (4 parts) and REIN (1 part).
Each part number listed for the 2025 Audi Q8 opens a page with every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: all 2025 Q8 engines | 306465 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontLength 500 mm | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
This group shows a single part: GKN 306465.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: 3.0L V6 ELECTRIC/GAS Turbocharged | 306277 | 🇲🇽 MX | Pre-lubricatedThermosplastic Elastomer (TPE) | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
This group shows a single part: GKN 306277.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: all 2025 Q8 engines | 306177 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 1.220 InThermoplastic Elastomer | View on Amazon |
| GKN Fits: all 2025 Q8 engines | 306188 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 1.063 InThermoplastic Elastomer | View on Amazon |
| REIN Fits: all 2025 Q8 engines | BKN0109 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
3 CV Joint Boot parts for the 2025 Audi Q8 come from 2 brands — GKN and REIN. Every part fits both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged.
Listed part numbers: GKN 306177, GKN 306188 and REIN BKN0109.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: 3.0L V6 ELECTRIC/GAS Turbocharged | GKNP20075 | 🇲🇽 MX | Shaft Material: Two-piece Propellershaft fitted with CV Joints, holding frameOverall Length [mm]: 1719 | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
One part is listed for the 2025 Audi Q8 — GKN GKNP20075.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 3.0L V6 Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.0L V6 Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.0L V6 Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
4 Transfer Case Fluid parts for the 2025 Audi Q8 come from VALVOLINE.
Listed part numbers: VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, plus the other parts above.
Buying Drivetrain Parts for a 2025 Audi Q8
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: Transfer Case Fluid and CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 2025 Audi Q8?
Our catalog currently lists 10 drivetrain parts for the 2025 Audi Q8 across 5 subcategories and 3 brands, covering both the 3.0L V6 ELECTRIC/GAS Turbocharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2025 Audi Q8 engines?
Some do. 4 parts fit every engine; the other 6 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 2025 Audi Q8?
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 2025 Audi Q8 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 2025 Audi Q8?
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 2025 Audi Q8
Drivetrain Parts for Other Audi Q8 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.