The Most Common Headlight Bulb Sizes
Across 3,151 US vehicle configurations in the GarageDex database, the most common low-beam headlight is H11 (30.2%), followed by LED and H7. A growing share of newer cars use sealed LED units instead of a replaceable bulb.
Low-beam bulb codes by share of vehicles
H1130.2% · 952
LED17% · 536
H710.2% · 320
90066.6% · 209
H136.1% · 193
90034.4% · 140
D3S4.3% · 134
90123.8% · 119
| Rank | Bulb code | Share of vehicles | Vehicles |
|---|---|---|---|
| 1 | H11 | 30.2% | 952 |
| 2 | LED | 17% | 536 |
| 3 | H7 | 10.2% | 320 |
| 4 | 9006 | 6.6% | 209 |
| 5 | H13 | 6.1% | 193 |
| 6 | 9003 | 4.4% | 140 |
| 7 | D3S | 4.3% | 134 |
| 8 | 9012 | 3.8% | 119 |
Methodology
Counts reflect distinct year/make/model configurations with a known low-beam bulb in the GarageDex database, each checked against a cited fitment source. High beams and signal bulbs use different codes. New to bulb codes? Halogen vs LED vs HID.
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