Complete Bulb Specification Table
| Function | Bulb Type | Wattage | Technology |
|---|---|---|---|
| Dipped Beam | H7 | 55W | Halogen |
| Main Beam | H1 | 55W | Halogen |
| Front Fog | H11 | 55W | Halogen |
| Sidelights | W5W | 5W | Wedge |
| Front Indicator | PY21W | 21W | Bayonet (amber) |
| Rear Indicator | PY21W | 21W | Bayonet (amber) |
| Reverse Light | W21W | 21W | Wedge |
| Tail / Brake | P21/5W | 21/5W | Bayonet |
| Number Plate | C5W | 5W | Festoon |
MOT note: All external bulbs must work for your MOT. Headlights, sidelights, indicators, brake lights, rear fog light, number plate lights, and reverse lights are all tested. Stock up before your test date.
Recommended Headlight Bulbs for Citroën C4
Philips RacingVision GT200 H7
Up to +200% brighter | MOT legal | E-marked
From ~£22
Frequently Asked Questions
What headlight bulb does a Citroën C4 use?
The Citroën C4 (Mk3) uses H7 bulbs for dipped beam headlights.
Can I fit LED bulbs in my Citroën C4?
LED replacement bulbs are available for the H7 fitting. However, only bulbs that are E-marked (ECE R148/149 approved) are road-legal in the UK. Check the packaging for the E-mark before purchasing.
What fog light bulb does a Citroën C4 take?
The Citroën C4 uses H11 fog light bulbs.
How do I change a headlight bulb on a Citroën C4?
Access is typically via the engine bay. Open the bonnet, locate the headlight connector at the rear of the headlight unit, twist and remove the bulb holder, swap the bulb, and refit. Avoid touching the glass of halogen bulbs with bare fingers.