The 2021 Audi Q7 has 29 drivetrain parts with verified fitment on this page — 7 part types and 9 brands, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each part includes a manufacturer part number and application notes.
The drivetrain system on the 2021 Audi Q7 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (6 parts), Drive Shaft (6 parts) and CV Joint Boot (5 parts). The other 4 part types cover the remaining 12 parts.
The 2021 Audi Q7 was sold with both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. 14 parts fit every engine; the other 15 are engine-specific. Each part shows which engine(s) it fits.
9 brands supply drivetrain parts for the 2021 Audi Q7, led by GKN (8 parts), VALVOLINE (8 parts) and TOP NOTCH (3 parts), plus 6 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi Q7. 2 parts have it, including TOP NOTCH TN19017 (CV Axle) and TOP NOTCH TN19289 (CV Axle). Each part number opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Fits: all 2021 Q7 engines | SL260517 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
This table covers the seals where an axle shaft exits the housing. 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.
One part is listed for the 2021 Audi Q7 — TIMKEN SL260517.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular Fits: all 2021 Q7 engines | TN19017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TOP NOTCH Popular Fits: all 2021 Q7 engines | TN19289 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| GKN Fits: all 2021 Q7 engines | 306465 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontLength 500 mm | View on Amazon |
| GSP Fits: all 2021 Q7 engines | NCV23023 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| GSP Fits: all 2021 Q7 engines | NCV20002K | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| TRAKMOTIVE Fits: all 2021 Q7 engines | AD8191 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | 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.
6 CV Axle parts are listed for the 2021 Audi Q7, from TOP NOTCH, GSP, GKN and 1 other brand. TOP NOTCH TN19017 carries the "Popular" badge. All of them fit every engine offered in the 2021 Q7.
This group includes TOP NOTCH TN19017, TOP NOTCH TN19289 and GKN 306465 and the remaining parts above.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: all 2021 Q7 engines | 306277 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pre-lubricatedThermosplastic Elastomer (TPE) | View on Amazon |
| GKN Fits: 3.0L V6 Turbocharged | 306278 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 3.701 In | View on Amazon |
| VAICO Fits: 3.0L V6 Turbocharged | V107738 | 🇺🇸 US | Front Inner | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
3 CV Joint parts are listed for the 2021 Audi Q7, from GKN and VAICO. 1 part fits every engine; the other 2 are engine-specific.
Listed part numbers: GKN 306277, GKN 306278 and VAICO V107738.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: all 2021 Q7 engines | 1033141 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| GKN Fits: 2.0L L4 Turbocharged | 306188 | 🇺🇸 US 🇨🇦 CA | OUTER Diameter 1.063 InThermoplastic Elastomer | View on Amazon |
| GKN Fits: 3.0L V6 Turbocharged | 306177 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 1.220 InThermoplastic Elastomer | View on Amazon |
| REIN Fits: all 2021 Q7 engines | BKN0109 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| VAICO Fits: 3.0L V6 Turbocharged | V105635 | 🇺🇸 US | Front OuterGrade: AM | 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.
5 CV Joint Boot parts are listed for the 2021 Audi Q7, from GKN, BECK/ARNLEY, REIN and 1 other brand. 2 parts fit every engine; the other 3 are engine-specific.
This group includes BECK/ARNLEY 1033141, GKN 306188 and GKN 306177 and the remaining parts above.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN Fits: 2.0L L4 Turbocharged | GKNP20088 | 🇺🇸 US 🇨🇦 CA | Length 1719mmwithout alternative drive system | View on Amazon |
| GKN Fits: 3.0L V6 Turbocharged | GKNP20075 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Shaft Material: Two-piece Propellershaft fitted with CV Joints, holding frameOverall Length [mm]: 1719 | View on Amazon |
| GKN Fits: 3.0L V6 Turbocharged | GKNP20141 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Shaft Material: Two-piece Propellershaft fitted with CV Joints and holding frameOverall Length [mm]: 1499 | View on Amazon |
| GSP Fits: 3.0L V6 Turbocharged | PS900595 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear2 Piece Shaft | View on Amazon |
| TOP NOTCH Fits: 3.0L V6 Turbocharged | TN2331PS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear2 Piece Shaft | View on Amazon |
| VAICO Fits: 3.0L V6 Turbocharged | V107728 | 🇺🇸 US | Rear | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
6 Drive Shaft parts for the 2021 Audi Q7 come from 4 brands — GKN, GSP, TOP NOTCH and 1 other brand.
This group includes GKN GKNP20088, GKN GKNP20075 and GKN GKNP20141 and the remaining parts above.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: all 2021 Q7 engines | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: all 2021 Q7 engines | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: all 2021 Q7 engines | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2021 Q7 engines | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
VALVOLINE supplies the 4 Gear Oil parts for the 2021 Audi Q7. All of them fit every engine offered in the 2021 Q7.
Listed part numbers: VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, plus the other parts above.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 2.0L L4 Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 2.0L L4 Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 2.0L L4 Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 2.0L L4 Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA | 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.
VALVOLINE supplies the 4 Transfer Case Fluid parts for the 2021 Audi Q7.
This group includes VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505 and the remaining parts above.
Buying Drivetrain Parts for a 2021 Audi Q7
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 Axle and Drive Shaft .
Frequently Asked Questions
How many drivetrain parts fit the 2021 Audi Q7?
Our catalog currently lists 29 drivetrain parts for the 2021 Audi Q7 across 7 subcategories and 9 brands, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2021 Audi Q7 engines?
Some do. 14 parts fit every engine; the other 15 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 2021 Audi Q7?
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 2021 Audi Q7 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 Q7?
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 2021 Audi Q7
Drivetrain Parts for Other Audi Q7 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.