7 Years Available
Alfa Romeo 4c Light Bulb Sizes
Complete bulb size reference for the Alfa Romeo 4c from 2014 to 2020. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
The Alfa-Romeo 4c changed low beam specifications across model years — 2015–2019: D5S; 2020: 9012; 2014: H7. Make sure to select your exact year below to get the right bulb size.
Year Range
2014 – 2020
7 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| Low Beam | D5S(2015–2019) 9012(2020–2020) H7(2014–2014) | 7 years | Changed |
| Reverse Light | 921(2014–2020) | 7 years | Consistent |
| License Plate | 2825(2015–2019) W5W(2014–2020) | 7 years | Changed |
| Trunk Light | 2825(2015–2019) W5W(2014–2020) | 7 years | Changed |
| High Beam | D5S(2015–2019) | 5 years | Consistent |
| Brake Light | BRAKE(2015–2019) | 5 years | Consistent |
| Dome Light | 6411(2015–2019) | 5 years | Consistent |
| Turn Signal Front | 2827(2015–2019) | 5 years | Consistent |
| Side Marker | 2821(2015–2019) | 5 years | Consistent |
| Turn Signal Rear | 7506(2015–2019) 7507(2014–2014) | 6 years | Changed |
Common 4c Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Alfa-Romeo 4c from 2014 to 2020, covering 7 model years. Select your year below for a complete position-by-position bulb chart.
Yes, the Alfa-Romeo 4c changed low beam bulb specifications across generations: 2015–2019: D5S; 2020–2020: 9012; 2014–2014: H7. Make sure to check your exact year using the list below.
The Alfa-Romeo 4c uses a D5S bulb for the low beam (same bulb serves both high and low beam via dual filament). Select your year below for the exact fitment chart.
Yes. The Alfa-Romeo 4c uses a D5S low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.