13 Belt drive parts are listed for the 2021 Audi S6, in 3 part types, covering the 2.9L V6 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Audi S6, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. All 13 listed parts are Idler Pulley (6 parts), Belt (5 parts) and Belt Tensioner (2 parts).
Every part on this page is matched to the 2.9L V6 Turbocharged — the only engine offered in the 2021 Audi S6.
The most listed brands for 2021 Audi S6 belt drive parts are CONTINENTAL (4 parts), GATES (4 parts) and VNE (2 parts), plus 2 more brands. Quality grades include Standard Replacement and Economy.
3 parts on this 2021 Audi S6 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DAYCO 5060564 (Belt) and LITENS 900699A (Idler Pulley). Click any part number to see every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 567K6MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerSerpentine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 5060564 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| CONTINENTAL | 4060567F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-Belt Reinforced BeltSerpentine | View on Amazon |
| GATES | K030431 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
| GATES | K060565 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
This table covers the serpentine and accessory belts that drive the front accessories. Typical signs include squeal on cold start, cracks across the ribs, or glazing on the back of the belt. A new belt on a worn tensioner will squeal within weeks — spin the idlers by hand while the belt is off.
5 Belt parts are listed for the 2021 Audi S6, from CONTINENTAL, GATES and DAYCO. DAYCO 5060564 carries the "Popular" badge.
In the Economy grade, CONTINENTAL supplies 1 part: the catalog's value-priced group. A representative part number is CONTINENTAL 567K6MK.
The Standard Replacement section lists 4 options from GATES, DAYCO and CONTINENTAL — built to original-equipment specification. DAYCO 5060564 is listed in this group.
This group includes DAYCO 5060564, CONTINENTAL 567K6MK and CONTINENTAL 4060567F and the remaining parts above.
Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 39527 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| VNE | 30021934 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mubea | View on Amazon |
This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely.
2 Belt Tensioner parts for the 2021 Audi S6 come from 2 brands — GATES and VNE.
This group includes GATES 39527 and VNE 30021934.
Idler Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LITENS Popular | 900699A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| LITENS Popular | 900700A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| CONTINENTAL | 50099 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| CONTINENTAL | 50100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| GATES | 36901 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| VNE | 30021929 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 60mmMubea | View on Amazon |
This table covers the idler pulleys the belt wraps around. Typical signs include a chirp that follows engine speed, or a pulley that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for.
6 Idler Pulley parts are listed for the 2021 Audi S6, from LITENS, CONTINENTAL, GATES and 1 other brand. LITENS 900699A carries the "Popular" badge.
Part numbers include LITENS 900699A, LITENS 900700A and CONTINENTAL 50099, among others listed above.
Buying Belt Drive Parts for a 2021 Audi S6
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 2.9L V6 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Idler Pulley and Belt .
Frequently Asked Questions
How many belt drive parts fit the 2021 Audi S6?
Our catalog currently lists 13 belt drive parts for the 2021 Audi S6 across 3 subcategories and 5 brands, covering the 2.9L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of belt drive problems on a 2021 Audi S6?
Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
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 S6 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 S6?
Every part on this page is matched to the 2.9L V6 Turbocharged engine. Then a new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Audi S6
Belt Drive Parts for Other Audi S6 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.