This page lists 41 electrical bulb & socket parts for the 2018 Audi A6, across 8 part types, covering all 3 engine options (1.8L L4 Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Supercharged). Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Audi A6, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Cornering Lamp Bulb (12 parts), Glove Box Light Bulb (9 parts) and Door Panel Light Bulb (8 parts). The other 5 part types cover the remaining 12 parts.
The 2018 Audi A6 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2018 Audi A6 electrical bulb & socket parts are SYLVANIA (17 parts), WAGNER (13 parts) and HELLA (7 parts), plus 3 more brands. Quality grades include Standard Replacement, Extra Bright and Extended Life.
7 parts on this 2018 Audi A6 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including WAGNER H7BLX (Cornering Lamp Bulb) and SYLVANIA 2825LL (Door Panel Light Bulb). Click any part number to see every vehicle that part fits.
Cornering Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | H7LL | 🇲🇽 MX | Long Life | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 1255H7LL | 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 1.8L L4 Turbocharged | H7BLX | 🇲🇽 MX | BritelitePX26D Base | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | H7XV | 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | H7ST | 🇲🇽 MX | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | H7SU | 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | H7SZG | 🇲🇽 MX | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | H7TVX | 🇲🇽 MX | Truview PlusPX26D Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 1.8L L4 Turbocharged | H7 | 🇲🇽 MX | HalogenSocket Type Bulb: PX26D | View on Amazon |
| WAGNER Popular Fits: 1.8L L4 Turbocharged | 1255H7 | 🇲🇽 MX | Halogen Capsulewith HID Headlights | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | H7 | 🇲🇽 MX | Base Type: PX26DWattage: 55.00 W | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 2475H7 | 🇲🇽 MX | with HID Headlights24 Volt | View on Amazon |
This table covers the replacement bulbs for the Cornering 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.
12 Cornering Lamp Bulb parts are listed for the 2018 Audi A6, from SYLVANIA, WAGNER and HELLA. WAGNER H7BLX carries the "Popular" badge.
The Extended Life section lists 2 options from SYLVANIA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. SYLVANIA H7LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 6 options from SYLVANIA and WAGNER — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. WAGNER H7BLX is listed in this group.
The Standard Replacement section lists 4 options from WAGNER, HELLA and SYLVANIA — built to original-equipment specification. HELLA H7 is listed in this group.
Door Panel Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 1.8L L4 Turbocharged | 2825LL | 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | 2825ST | 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | 2825SL | 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | T10LED | 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 1.8L L4 Turbocharged | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | 2825 | 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 17177 | 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | View on Amazon |
This table covers the replacement bulbs for the Door Panel Light. 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.
8 Door Panel Light Bulb parts for the 2018 Audi A6 come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA 2825LL.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2825LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825ST.
The LED (instant-on, long life, energy-saving) section lists 2 options from SYLVANIA and WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. SYLVANIA 2825SL is listed in this group.
Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 2825.
Listed part numbers: SYLVANIA 2825LL, WAGNER 17177LL and SYLVANIA 2825ST, plus the other parts above.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 1.8L L4 Turbocharged | 2825LL | 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | 2825ST | 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | 2825SL | 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | T10LED | 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 1.8L L4 Turbocharged | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: 1.8L L4 Turbocharged | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | 2825 | 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 17177 | 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | 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.
9 Glove Box Light Bulb parts for the 2018 Audi A6 come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA 2825LL.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2825LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825ST.
The LED (instant-on, long life, energy-saving) section: 2 options from SYLVANIA and WAGNER. SYLVANIA 2825SL is listed in this group.
Standard Replacement: 4 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 2825.
This group includes SYLVANIA 2825LL, WAGNER 17177LL and SYLVANIA 2825ST and the remaining parts above.
Headlamp Bulb
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | D5S | 🇲🇽 MX | High Beam and Low Beamwith HID Headlights | View on Amazon |
| ÜRO PARTS Fits: 1.8L L4 Turbocharged | D5S | 🇲🇽 MX | High Beam and Low BeamXenon (12V - 25W) | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | D5S | 🇲🇽 MX | High Beam and Low BeamHid Type | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 1.8L L4 Turbocharged | H7 | 🇲🇽 MX | HalogenSocket Type Bulb: PX26D | 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.
4 Headlamp Bulb parts for the 2018 Audi A6 come from 4 brands — SYLVANIA, ÜRO PARTS, WAGNER and 1 other brand.
In the HID (intense white light) grade, SYLVANIA, ÜRO PARTS and WAGNER supply 3 parts: grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA D5S.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA H7.
Listed part numbers: SYLVANIA D5S, plus the other parts above.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 1.8L L4 Turbocharged | HP4355 | 🇲🇽 MX | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 1.8L L4 Turbocharged | S900 | 🇲🇽 MX | Connector Shape: Rectangleblack | 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.
2 Headlamp Socket parts for the 2018 Audi A6 come from STANDARD MOTOR PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS HP4355 and STANDARD MOTOR PRODUCTS S900.
Step / Courtesy Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 1.8L L4 Turbocharged | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs in the step and courtesy 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.
One part is listed for the 2018 Audi A6 — HELLA 2825.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 1.8L L4 Turbocharged | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs in the tail 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.
This group shows a single part: HELLA 2825.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.8L L4 Turbocharged | 64132LL | 🇲🇽 MX | Long Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 1.8L L4 Turbocharged | 12174NA | 🇲🇽 MX | Natural Amber | View on Amazon |
| SYLVANIA Fits: 1.8L L4 Turbocharged | 64132 | 🇲🇽 MX | Frontwith HID Headlights | View on Amazon |
| WAGNER Fits: 1.8L L4 Turbocharged | 68161 | 🇲🇽 MX | Frontwith HID Headlights | 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.
4 Turn Signal Lamp Bulb parts are listed for the 2018 Audi A6, from SYLVANIA, PHILIPS and WAGNER.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 64132LL is listed in this group.
The Standard Replacement section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 12174NA is listed in this group.
This group includes SYLVANIA 64132LL, PHILIPS 12174NA and SYLVANIA 64132 and the remaining parts above.
Buying Electrical Bulb & Socket Parts for a 2018 Audi A6
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Match the engine first. Every electrical bulb & socket part here is 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 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: Cornering Lamp Bulb and Glove Box Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2018 Audi A6?
Our catalog currently lists 41 electrical bulb & socket parts for the 2018 Audi A6 across 8 subcategories and 6 brands, covering all 3 engine options (1.8L L4 Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Supercharged). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2018 Audi A6 engines?
Yes. Every electrical bulb & socket part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 electrical bulb & socket problems on a 2018 Audi A6?
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 2018 Audi A6 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 A6?
First match the engine — each row shows which engine(s) the part fits. 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 2018 Audi A6
Electrical Bulb & Socket Parts for Other Audi A6 Years
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