8 Belt drive parts are listed for the 2021 Audi A5, in 2 part types, covering the 2.0L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The belt drive system on the 2021 Audi A5 spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. All 8 listed parts are Belt (7 parts) and Belt Tensioner (1 part).
The 2021 Audi A5 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
6 brands supply belt drive parts for the 2021 Audi A5, led by CONTINENTAL (2 parts), DAYCO (2 parts) and FVP (1 part), plus 3 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi A5. 2 parts have it, including CONTINENTAL 4060450 (Belt) and DAYCO 5060450 (Belt). Each part number opens a page with every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 450K6MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerSerpentine | View on Amazon |
| DAYCO | 5060450DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| FVP | 450K6 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Popular | 4060450 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| DAYCO Popular | 5060450 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| BANDO | 6PK1130 | 🇲🇽 MX | Rib Quantity: 6Effective Length: 1130.0 mm | View on Amazon |
| GATES | K060448EST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | E-Start 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.
7 Belt parts for the 2021 Audi A5 come from 5 brands — CONTINENTAL, DAYCO, FVP and 2 other brands. The "Popular" part is CONTINENTAL 4060450.
The Economy section lists 3 options from CONTINENTAL, DAYCO and FVP — the catalog's value-priced group. CONTINENTAL 450K6MK is listed in this group.
In the Standard Replacement grade, CONTINENTAL, DAYCO, BANDO and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is CONTINENTAL 4060450.
Listed part numbers: CONTINENTAL 4060450, CONTINENTAL 450K6MK and DAYCO 5060450DR, plus the other parts above.
Belt Tensioner
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V105597 | 🇺🇸 US | 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.
One part is listed for the 2021 Audi A5 — VAICO V105597.
Buying Belt Drive Parts for a 2021 Audi A5
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 2.0L L4 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: Belt and Belt Tensioner .
Frequently Asked Questions
How many belt drive parts fit the 2021 Audi A5?
Our catalog currently lists 8 belt drive parts for the 2021 Audi A5 across 2 subcategories and 6 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of belt drive problems on a 2021 Audi A5?
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 A5 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 A5?
Every part on this page is matched to the 2.0L L4 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 A5
Belt Drive Parts for Other Audi A5 Years
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