This page lists 25 drivetrain parts for the 2018 Audi A7, across 5 part types, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Supercharged. Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 2018 Audi A7 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (15 parts), Drive Shaft (4 parts) and CV Joint Boot (3 parts). The other 2 part types cover the remaining 3 parts.
The 2018 Audi A7 was sold with both the 2.0L L4 Turbocharged and the 3.0L V6 Supercharged. 2 parts fit every engine; the other 23 are engine-specific. Each part shows which engine(s) it fits.
10 brands supply drivetrain parts for the 2018 Audi A7, led by GSP (6 parts), TOP NOTCH (5 parts) and TRAKMOTIVE (3 parts), plus 7 more brands. Quality grades include Standard Replacement and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Audi A7. 3 parts have it, including TOP NOTCH TN19005PR (CV Axle) and GSP NCV23008 (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 2018 A7 engines | SL260495 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearActive Differential , 67 x 83 x 8mm | View on Amazon |
| TIMKEN Fits: all 2018 A7 engines | SL260502 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearExc.Active Differential , 60 x 10 x 45mm | 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.
TIMKEN supplies both parts for the 2018 Audi A7. All of them fit every engine offered in the 2018 A7.
Part numbers include TIMKEN SL260495 and TIMKEN SL260502.
CV Axle
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular Fits: 2.0L L4 Turbocharged | TN19005PR | 🇲🇽 MX | Performance | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | PR23017 | 🇲🇽 MX | Performance Revolution | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | PR23020 | 🇲🇽 MX | Performance Revolution | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | PR23008 | 🇲🇽 MX | Performance Revolution | View on Amazon |
| TOP NOTCH Fits: 2.0L L4 Turbocharged | TN19011PR | 🇲🇽 MX | Performance | View on Amazon |
| TOP NOTCH Fits: 2.0L L4 Turbocharged | TN19014PR | 🇲🇽 MX | Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: 2.0L L4 Turbocharged | NCV23008 | 🇲🇽 MX | Rearwithout Sport Differential | View on Amazon |
| TOP NOTCH Popular Fits: 2.0L L4 Turbocharged | TN19005 | 🇲🇽 MX | Rearwithout Sport Differential | View on Amazon |
| CARDONE Fits: 2.0L L4 Turbocharged | 667483 | 🇲🇽 MX | Fits Rear Leftwithout Sport Differential | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | NCV23017 | 🇲🇽 MX | Rear Rightwith Sport Differential | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | NCV23020 | 🇲🇽 MX | Rear Leftwith Sport Differential | View on Amazon |
| TOP NOTCH Fits: 2.0L L4 Turbocharged | TN19014 | 🇲🇽 MX | Rear Leftwith Sport Differential | View on Amazon |
| TRAKMOTIVE Fits: 2.0L L4 Turbocharged | AD8189 | 🇲🇽 MX | Rearwithout Torque Vectoring Differential | View on Amazon |
| TRAKMOTIVE Fits: 2.0L L4 Turbocharged | AD8196 | 🇲🇽 MX | Rear Leftwith Torque Vectoring | View on Amazon |
| TRAKMOTIVE Fits: 2.0L L4 Turbocharged | AD8197 | 🇲🇽 MX | Rear Rightwith Torque Vectoring Differential | 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.
15 CV Axle parts are listed for the 2018 Audi A7, from GSP, TOP NOTCH, TRAKMOTIVE and 1 other brand. TOP NOTCH TN19005PR carries the "Popular" badge.
The Premium section lists 6 options from TOP NOTCH and GSP — a step above OE specification in materials, tolerances or warranty terms. TOP NOTCH TN19005PR is listed in this group.
The Standard Replacement section lists 9 options from GSP, TRAKMOTIVE, TOP NOTCH and 1 other brand — built to original-equipment specification. GSP NCV23008 is listed in this group.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 2.0L L4 Turbocharged | TDS0420 | 🇲🇽 MX | Front | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
One part is listed for the 2018 Audi A7 — MARELLI TDS0420.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 2.0L L4 Turbocharged | 1033141 | 🇲🇽 MX | Front Outer | View on Amazon |
| BECK/ARNLEY Fits: 2.0L L4 Turbocharged | 1032978 | 🇲🇽 MX | Rear Inner | View on Amazon |
| BECK/ARNLEY Fits: 2.0L L4 Turbocharged | 1033043 | 🇲🇽 MX | Front Inner | 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.
BECK/ARNLEY supplies the 3 CV Joint Boot parts for the 2018 Audi A7.
Part numbers include BECK/ARNLEY 1033141, BECK/ARNLEY 1032978 and BECK/ARNLEY 1033043.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 2.0L L4 Turbocharged | 986455 | 🇲🇽 MX | Length: 63.5" | View on Amazon |
| VAICO Fits: 2.0L L4 Turbocharged | V107638 | 🇲🇽 MX | External Toothing wheel side: 42Right Rear | View on Amazon |
| VAICO Fits: 2.0L L4 Turbocharged | V107637 | 🇲🇽 MX | External Toothing wheel side: 42Left Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: 2.0L L4 Turbocharged | WDS86455 | 🇲🇽 MX | Rear | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
4 Drive Shaft parts for the 2018 Audi A7 come from 3 brands — VAICO, DORMAN and WJB / INMOTION PARTS.
Listed part numbers: DORMAN 986455, VAICO V107638 and VAICO V107637, plus the other parts above.
Buying Drivetrain Parts for a 2018 Audi A7
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 2018 Audi A7?
Our catalog currently lists 25 drivetrain parts for the 2018 Audi A7 across 5 subcategories and 10 brands, covering both the 2.0L L4 Turbocharged and the 3.0L V6 Supercharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2018 Audi A7 engines?
Some do. 2 parts fit every engine; the other 23 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 A7?
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 A7 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 A7?
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 A7
Drivetrain Parts for Other Audi A7 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.