The 2018 Audi S7 has 47 drivetrain parts with verified fitment on this page — 8 part types and 12 brands, covering the 4.0L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2018 Audi S7, 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 CV Axle (16 parts), CV Joint Boot (10 parts) and Drive Shaft (7 parts). The other 5 part types cover the remaining 14 parts.
The 2018 Audi S7 came with a single engine, the 4.0L V8 Turbocharged, and every part is verified against it.
12 brands supply drivetrain parts for the 2018 Audi S7, led by GSP (9 parts), TOP NOTCH (8 parts) and VAICO (8 parts), plus 9 more brands. Quality grades include Premium and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Audi S7. 8 parts have it, including TOP NOTCH TN19013PR (CV Axle) and BECK/ARNLEY 1033141 (CV Joint Boot). Each part number opens a page with every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN | SL260495 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearActive Differential , 67 x 83 x 8mm | View on Amazon |
| TIMKEN | 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 S7.
Part numbers include TIMKEN SL260495 and TIMKEN SL260502.
CV Axle
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TOP NOTCH Popular | TN19013PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance | View on Amazon |
| GSP | PR23019 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance Revolution | View on Amazon |
| GSP | PR23017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance Revolution | View on Amazon |
| GSP | PR23020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance Revolution | View on Amazon |
| GSP | PR23008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance Revolution | View on Amazon |
| TOP NOTCH | TN19011PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance | View on Amazon |
| TOP NOTCH | TN19014PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance | View on Amazon |
| TOP NOTCH | TN19005PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular | NCV23019 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TOP NOTCH Popular | TN19013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TRAKMOTIVE Popular | AD8162 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | View on Amazon |
| GSP | NCV23017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Rightwith Sport Differential | View on Amazon |
| GSP | NCV23020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Leftwith Sport Differential | View on Amazon |
| GSP | NCV23008 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwithout Sport Differential | View on Amazon |
| TOP NOTCH | TN19014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Leftwith Sport Differential | View on Amazon |
| TOP NOTCH | TN19005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwithout Sport 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.
16 CV Axle parts are listed for the 2018 Audi S7, from GSP, TOP NOTCH and TRAKMOTIVE. TOP NOTCH TN19013PR carries the "Popular" badge.
The Premium section lists 8 options from TOP NOTCH and GSP — a step above OE specification in materials, tolerances or warranty terms. TOP NOTCH TN19013PR is listed in this group.
The Standard Replacement section lists 8 options from GSP, TOP NOTCH and TRAKMOTIVE — built to original-equipment specification. GSP NCV23019 is listed in this group.
CV Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN | 306654 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Thermosplastic Elastomer (TPE) | View on Amazon |
| GKN | 306275 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pre-lubricatedThermosplastic Elastomer (TPE) | View on Amazon |
| MARELLI | TDS0420 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| VAICO | V106923 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front Left Outer | View on Amazon |
This table covers the constant-velocity joints at each end of a drive axle.
4 CV Joint parts are listed for the 2018 Audi S7, from GKN, MARELLI and VAICO.
This group includes GKN 306654, GKN 306275 and MARELLI TDS0420 and the remaining parts above.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 1033141 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| REIN Popular | BKN0124 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Inner | View on Amazon |
| BECK/ARNLEY | 1032978 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Inner | View on Amazon |
| BECK/ARNLEY | 1033043 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| GKN | 304936 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not contain CapThermoplastic Elastomer | View on Amazon |
| GKN | 305061 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Thermoplastic ElastomerThermosplastic Elastomer (TPE) | View on Amazon |
| GKN | 306313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 1.023 InThermoplastic Elastomer | View on Amazon |
| REIN | BKN0170 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| VAICO | V105635 | 🇺🇸 US | Front OuterGrade: AM | View on Amazon |
| VAICO | V105633 | 🇺🇸 US | Front InnerGrade: 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.
10 CV Joint Boot parts are listed for the 2018 Audi S7, from BECK/ARNLEY, GKN, REIN and 1 other brand. BECK/ARNLEY 1033141 carries the "Popular" badge.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN | SL260602 | 🇺🇸 US | RearExc. Active Differential | View on Amazon |
This table covers the seals at the differential pinion yoke. 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 2018 Audi S7 — TIMKEN SL260602.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 986455 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length: 63.5" | View on Amazon |
| GKN Popular | GKNP20058 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GSP | PS900581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear2 Piece Shaft | View on Amazon |
| TOP NOTCH | TN2316PS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear2 Piece Shaft | View on Amazon |
| VAICO | V107638 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | External Toothing wheel side: 42Right Rear | View on Amazon |
| VAICO | V107637 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | External Toothing wheel side: 42Left Rear | View on Amazon |
| WJB / INMOTION PARTS | WDS86455 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
7 Drive Shaft parts for the 2018 Audi S7 come from 6 brands — VAICO, DORMAN, GKN and 3 other brands. The "Popular" part is DORMAN 986455.
Part numbers include DORMAN 986455, GKN GKNP20058 and GSP PS900581, among others listed above.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | 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 2018 Audi S7.
Listed part numbers: VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, plus the other parts above.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V600430 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transfer Case Oil DTF-1 L | View on Amazon |
| VAICO | V600431 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grade: AMTransfer Case Fluid, DTF-1 - 5 Liter | View on Amazon |
| VAICO | V600432 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grade: OEMTransfer Case Oil DTF-1-20 L | 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.
VAICO supplies the 3 Transfer Case Fluid parts for the 2018 Audi S7.
This group includes VAICO V600430, VAICO V600431 and VAICO V600432.
Buying Drivetrain Parts for a 2018 Audi S7
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 4.0L V8 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 Axle and CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 2018 Audi S7?
Our catalog currently lists 47 drivetrain parts for the 2018 Audi S7 across 8 subcategories and 12 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2018 Audi S7?
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 S7 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 S7?
Every part on this page is matched to the 4.0L V8 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 2018 Audi S7
Drivetrain Parts for Other Audi S7 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.