This page lists 7 electrical bulb & socket parts for the 2021 Audi A5, across 4 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Audi A5, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 6 parts of the 7 listed are Headlamp Bulb (3 parts), Turn Signal Lamp Bulb (2 parts) and Glove Box Light Bulb (1 part). The other 1 part type covers the remaining 1 part.
The 2021 Audi A5 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
4 brands supply electrical bulb & socket parts for the 2021 Audi A5, led by PHILIPS (3 parts), ÜRO PARTS (2 parts) and WAGNER (1 part), plus 1 more brand. Quality grades include HID and Standard Replacement.
Each part number listed for the 2021 Audi A5 opens a page with every vehicle that part fits.
Glove Box Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 12256 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A5 Quattro or A5 Sportback | View on Amazon |
This table covers the bulbs in the glove-box lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
One part is listed for the 2021 Audi A5 — PHILIPS 12256.
Headlamp Bulb
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | D5S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A5 SportbackXenon (12V - 25W) | View on Amazon |
| WAGNER | D5S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low BeamA5 Quattro or A5 Sportback | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | H8 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High BeamA5 Quattro or A5 Sportback | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
3 Headlamp Bulb parts are listed for the 2021 Audi A5, from ÜRO PARTS, WAGNER and PHILIPS.
The HID (intense white light) section lists 2 options from ÜRO PARTS and WAGNER — grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. ÜRO PARTS D5S is listed in this group.
The Standard Replacement section lists 1 option from PHILIPS — built to original-equipment specification. PHILIPS H8 is listed in this group.
This group includes ÜRO PARTS D5S and PHILIPS H8 and the remaining parts above.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 6R0973735 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | A5 Quattro or A5 Sportback10 pin black connector | View on Amazon |
This table covers the sockets that hold a headlamp bulb in the housing. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket.
One part is listed for the 2021 Audi A5 — ÜRO PARTS 6R0973735.
Turn Signal Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 12174SV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontA5 Quattro or A5 Sportback | View on Amazon |
| SYLVANIA | PWY24W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontA5 Quattro | View on Amazon |
This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
2 Turn Signal Lamp Bulb parts for the 2021 Audi A5 come from 2 brands — PHILIPS and SYLVANIA.
Part numbers include PHILIPS 12174SV and SYLVANIA PWY24W.
Buying Electrical Bulb & Socket Parts for a 2021 Audi A5
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- 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 bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Headlamp Bulb and Turn Signal Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Audi A5?
Our catalog currently lists 7 electrical bulb & socket parts for the 2021 Audi A5 across 4 subcategories and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2021 Audi A5?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. 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 bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
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 repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Audi A5
Electrical Bulb & Socket Parts for Other Audi A5 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.