This page lists 43 electrical bulb & socket parts for the 2021 Alfa Romeo Giulia, across 7 part types, covering both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Alfa Romeo Giulia, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 24 parts of the 43 listed are Trunk / Cargo Area Light Bulb (9 parts), Fog / Driving Lamp Bulb (8 parts) and Glove Box Light Bulb (7 parts). The other 4 part types cover the remaining 19 parts.
The 2021 Alfa Romeo Giulia was sold with both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. All 43 parts on this page fit every engine.
7 brands supply electrical bulb & socket parts for the 2021 Alfa Romeo Giulia, led by SYLVANIA (32 parts), HELLA (6 parts) and AUTOTECNICA (1 part), plus 4 more brands. Quality grades include LED, Standard Replacement and Extended Life.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Alfa Romeo Giulia. 10 parts have it, including SYLVANIA H11LL (Fog / Driving Lamp Bulb) and SYLVANIA 2825LL (Glove Box Light Bulb). Each part number opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Giulia engines | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| HELLA Fits: all 2021 Giulia engines | DE3175LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Giulia engines | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: all 2021 Giulia engines | 921NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
This table covers the bulbs in the reverse 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 Back Up / Reverse Lamp Bulb parts for the 2021 Alfa Romeo Giulia come from HELLA. Every part fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged.
In the Extended Life grade, HELLA supplies 2 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is HELLA 921LL.
In the Standard Replacement grade, HELLA supplies 2 parts: built to original-equipment specification. A representative part number is HELLA 921.
Listed part numbers: HELLA 921LL, HELLA DE3175LL and HELLA 921, plus the other parts above.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | H11XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | H11SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | H11ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | H11SZGP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | H11LEDSP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDBase Type: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | H11LEDHP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED ULTRABase Type: PGJ19-2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: PGJ19-2 | View on Amazon |
This table covers the bulbs in the fog and driving 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.
SYLVANIA supplies the 8 Fog / Driving Lamp Bulb parts for the 2021 Alfa Romeo Giulia. SYLVANIA H11LL carries the "Popular" badge. All of them fit every engine offered in the 2021 Giulia.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA H11LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 4 options from SYLVANIA — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. SYLVANIA H11XV is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, SYLVANIA supplies 2 parts: grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA H11LEDSP.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA H11 is listed in this group.
This group includes SYLVANIA H11LL, SYLVANIA H11XV and SYLVANIA H11SU and the remaining parts above.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825BLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825BSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVOCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | 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.
SYLVANIA supplies the 7 Glove Box Light Bulb parts for the 2021 Alfa Romeo Giulia. SYLVANIA 2825LL carries the "Popular" badge. All of them fit every engine offered in the 2021 Giulia.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 2825LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 2825ST is listed in this group.
LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA. A representative part number is SYLVANIA 2825SL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 2825 is listed in this group.
Listed part numbers: SYLVANIA 2825LL, SYLVANIA 2825ST and SYLVANIA 2825SL, plus the other parts above.
Headlamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA Popular Fits: all 2021 Giulia engines | D3S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low Beam | View on Amazon |
| MOPAR Popular Fits: all 2021 Giulia engines | L0000D3S | 🇺🇸 US 🇨🇦 CA | D3S | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | D5S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low Beamwith 25W HID Headlights | View on Amazon |
| ÜRO PARTS Fits: all 2021 Giulia engines | D5S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low BeamXenon (12V - 25W) | View on Amazon |
| WAGNER Fits: all 2021 Giulia engines | D5S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low BeamHid Type | 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.
5 Headlamp Bulb parts are listed for the 2021 Alfa Romeo Giulia, from AUTOTECNICA, MOPAR, SYLVANIA and 2 other brands. AUTOTECNICA D3S carries the "Popular" badge. All of them fit every engine offered in the 2021 Giulia.
Listed part numbers: AUTOTECNICA D3S, MOPAR L0000D3S and SYLVANIA D5S, plus the other parts above.
Outside Mirror Illumination Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825BLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825BSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVOCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
This table covers the replacement bulbs for the Outside Mirror Illumination 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.
7 Outside Mirror Illumination Lamp Bulb parts for the 2021 Alfa Romeo Giulia come from SYLVANIA. The "Popular" part is SYLVANIA 2825LL. Every part fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged.
Extended Life: 1 part, from SYLVANIA. 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: 4 options from SYLVANIA. SYLVANIA 2825SL is listed in this group.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825.
Part numbers include SYLVANIA 2825LL, SYLVANIA 2825ST and SYLVANIA 2825SL, among others listed above.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Giulia engines | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825BLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825BSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVOCool White | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2021 Giulia engines | 2825RSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Giulia engines | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
This table covers the bulbs in the trunk or cargo-area 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.
SYLVANIA supplies the 9 Trunk / Cargo Area Light Bulb parts for the 2021 Alfa Romeo Giulia. SYLVANIA 2825LL carries the "Popular" badge. All of them fit every engine offered in the 2021 Giulia.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 2825LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 2825ST is listed in this group.
LED (instant-on, long life, energy-saving): 6 parts, from SYLVANIA. A representative part number is SYLVANIA 2825SL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 2825 is listed in this group.
This group includes SYLVANIA 2825LL, SYLVANIA 2825ST and SYLVANIA 2825SL and the remaining parts above.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Giulia engines | 7440NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Giulia engines | 7440NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| PHILIPS Fits: all 2021 Giulia engines | 12190NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural Amber | 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.
3 Turn Signal Lamp Bulb parts for the 2021 Alfa Romeo Giulia come from 2 brands — HELLA and PHILIPS. Every part fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged.
Extended Life: 1 part, from HELLA. A representative part number is HELLA 7440NALL.
Standard Replacement: 2 parts, from HELLA and PHILIPS. A representative part number is HELLA 7440NA.
This group includes HELLA 7440NALL, HELLA 7440NA and PHILIPS 12190NA.
Buying Electrical Bulb & Socket Parts for a 2021 Alfa Romeo Giulia
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- You do not need to pick an engine: every electrical bulb & socket part on this page fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged.
- 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: Trunk / Cargo Area Light Bulb and Fog / Driving Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Alfa Romeo Giulia?
Our catalog currently lists 43 electrical bulb & socket parts for the 2021 Alfa Romeo Giulia across 7 subcategories and 7 brands, covering both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Alfa Romeo Giulia engines?
No. On this page every electrical bulb & socket part fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of electrical bulb & socket problems on a 2021 Alfa Romeo Giulia?
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 Alfa Romeo Giulia 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 Alfa Romeo Giulia?
Every part on this page already fits both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. 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 Alfa Romeo Giulia
Electrical Bulb & Socket Parts for Other Alfa Romeo Giulia Years
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