The Most Common Headlight Bulb Sizes
Across 3,253 US vehicle configurations in the GarageDex database, the most common low-beam headlight is H11 (29.3%), 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
H1129.3% · 952
LED16.5% · 536
H710.5% · 343
90066.4% · 209
H135.9% · 193
D3S5.4% · 175
90034.3% · 140
D2S3.8% · 122
| Rank | Bulb code | Share of vehicles | Vehicles |
|---|---|---|---|
| 1 | H11 | 29.3% | 952 |
| 2 | LED | 16.5% | 536 |
| 3 | H7 | 10.5% | 343 |
| 4 | 9006 | 6.4% | 209 |
| 5 | H13 | 5.9% | 193 |
| 6 | D3S | 5.4% | 175 |
| 7 | 9003 | 4.3% | 140 |
| 8 | D2S | 3.8% | 122 |
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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