What is the low beam headlight bulb size for a 2021 Alfa Romeo Giulia?

The 2021 Alfa Romeo Giulia uses a N/A bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2021 Alfa Romeo Giulia?

The high beam bulb size for the 2021 Alfa Romeo Giulia is N/A.

Why are my 2021 Alfa Romeo Giulia headlights dim?

Dim headlights on a 2021 Alfa Romeo Giulia can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a N/A LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2021 Alfa Romeo Giulia fog light?

The 2021 Alfa Romeo Giulia uses a H11 bulb for the fog light position.

Is the 2021 Alfa Romeo Giulia single or dual beam?

The 2021 Alfa Romeo Giulia uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2021 Alfa Romeo Giulia?

Yes, the 2021 Alfa Romeo Giulia comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a N/A LED conversion kit for the low beams.

Does the 2021 Alfa Romeo Giulia have fog lights?

Yes, the 2021 Alfa Romeo Giulia takes a H11 bulb for the fog light position.

Did the 2021 Alfa Romeo Giulia change headlight bulb sizes from the previous year?

Yes — the 2021 Alfa Romeo Giulia uses different bulb sizes than the 2020 model. The 2021 generation introduced this bulb configuration.

Is the 2021 Alfa Romeo Giulia the first or last year to use N/A bulbs?

The 2021 Alfa Romeo Giulia is the only year in the 2021 generation to use the N/A bulb for the low beam headlight.

How do I change the headlight on a 2021 Alfa Romeo Giulia?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old N/A bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2021 Alfa Romeo Giulia?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved N/A LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2021 Alfa Romeo Giulia headlights?

A pair of halogen N/A bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2021 Alfa Romeo Giulia?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the N/A position are available as direct plug-and-play replacements.

The 2021 Alfa-Romeo Giulia has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2021 Alfa-Romeo Giulia

What Size Bulbs Does a 2021 Alfa-Romeo Giulia Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Moderate (Dust covers often present)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 2021 Alfa-Romeo Giulia Have?

Owners of the 2021 Alfa-Romeo Giulia will find a total of 3 lighting elements throughout the vehicle's exterior. It features a standard lighting system powered by a dual-bulb halogen configuration using separate low beam and high beam bulbs for precise light distribution.

Can You Put LED Bulbs in a 2021 Alfa-Romeo Giulia?

Upgrading to LED is one of the most effective ways to modernize your Alfa-Romeo's appearance and safety profile. We recommend starting your upgrade with the low beams, as they see the most use. Adding a matching LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H11 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2021 Alfa-Romeo Giulia Bulb Size Chart

Position	Bulb Size	Shop
Reverse Light	921	Buy 921 →
Turn Signal Rear	7440NA	Buy 7440NA →
Fog Light	H11	Buy H11 →

How do the 2021 Alfa-Romeo Giulia's bulbs compare to other years?

The 2021 Alfa-Romeo Giulia changed bulb sizes from 2020. The previous model year used a different configuration.

The 2022 model switched to a different bulb configuration.

This bulb configuration covers the 2021 model years. ← 2020 2022 →

Finding the best installation guide...

Other Giulia Years

2022 2020 2019 2018 2017

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