Home › Alfa Romeo › 4CAlfa Romeo 4C headlight bulb size by year The low beam, high beam and fog light bulbs for every Alfa Romeo 4C from 2015–2020. Pick your year to jump straight to it. Each answer links to the page in Alfa Romeo’s owner’s manual it came from.
Alfa Romeo 4C bulb sizes at a glance Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
2015–2016 Alfa Romeo 4C headlight bulbs Light Bulb Notes Low beam 9012 also sold as HIR2
Halogen Low beam D5S Bi-Xenon High beam 9012 also sold as HIR2
Halogen High beam D5S Bi-Xenon
Where this comes from (4 sources) Buy bulbs for your 2015–2016 Alfa Romeo 4C 9012 low beam, high beam D5S low beam, high beam
Recommended 9012 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam, high beam.
More 9012 options: brighter halogen, long life, LED upgrade Brighter halogen Performance halogen bulbs throw more light down the road. They usually wear out sooner.
Long life Built to last longer between changes. A good pick for high-beam and fog sockets you use often.
LED upgrade Whiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Recommended D5S oEM-equivalent xenon
Matches the factory color (about 4300K). The safe choice for a direct replacement. Fits your low beam, high beam.
More D5S options: whiter xenon 2017 Alfa Romeo 4C headlight bulbs Light Bulb Notes Low beam 9012 also sold as HIR2
Halogen headlamps Low beam D5S Bi-Xenon High beam 9012 also sold as HIR2
Halogen headlamps High beam D5S Bi-Xenon
Where this comes from (1 source) Buy bulbs for your 2017 Alfa Romeo 4C 9012 low beam, high beam D5S low beam, high beam
Recommended 9012 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam, high beam.
More 9012 options: brighter halogen, long life, LED upgrade Brighter halogen Performance halogen bulbs throw more light down the road. They usually wear out sooner.
Long life Built to last longer between changes. A good pick for high-beam and fog sockets you use often.
LED upgrade Whiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Recommended D5S oEM-equivalent xenon
Matches the factory color (about 4300K). The safe choice for a direct replacement. Fits your low beam, high beam.
More D5S options: whiter xenon 2018–2019 Alfa Romeo 4C headlight bulbs Light Bulb Notes Low beam 9012 also sold as HIR2
Halogen Low beam D5S Bi-Xenon High beam 9012 also sold as HIR2
Halogen High beam D5S Bi-Xenon
Where this comes from (4 sources) Buy bulbs for your 2018–2019 Alfa Romeo 4C 9012 low beam, high beam D5S low beam, high beam
Recommended 9012 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam, high beam.
More 9012 options: brighter halogen, long life, LED upgrade Brighter halogen Performance halogen bulbs throw more light down the road. They usually wear out sooner.
Long life Built to last longer between changes. A good pick for high-beam and fog sockets you use often.
LED upgrade Whiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Recommended D5S oEM-equivalent xenon
Matches the factory color (about 4300K). The safe choice for a direct replacement. Fits your low beam, high beam.
More D5S options: whiter xenon 2020 Alfa Romeo 4C headlight bulbs Light Bulb Notes Low beam 9012 also sold as HIR2
Bi-Halogen headlights Low beam D5S Bi-Xenon headlights Low beam LED Bi-LED headlights High beam 9012 also sold as HIR2
Bi-Halogen headlights High beam D5S Bi-Xenon headlights High beam LED Bi-LED headlights
LED headlights are usually serviced as a complete lamp assembly rather than a separate bulb; a dealer or parts counter can quote the assembly for your trim.
Where this comes from (1 source) Buy bulbs for your 2020 Alfa Romeo 4C 9012 low beam, high beam D5S low beam, high beam
Recommended 9012 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam, high beam.
More 9012 options: brighter halogen, long life, LED upgrade Brighter halogen Performance halogen bulbs throw more light down the road. They usually wear out sooner.
Long life Built to last longer between changes. A good pick for high-beam and fog sockets you use often.
LED upgrade Whiter light and a long service life. Check that it fits your housing; LED bulbs in halogen headlights are not DOT-approved for road use.
Recommended D5S oEM-equivalent xenon
Matches the factory color (about 4300K). The safe choice for a direct replacement. Fits your low beam, high beam.
More D5S options: whiter xenon Always double-check the size printed on the old bulb’s base before you buy. See how we source our data . More Alfa Romeo models .