Headlight bulb sizes for cars can vary depending on the specific make, model, and year of the vehicle. However, there are several common bulb sizes that are widely used in the automotive industry. Here are some of the most popular headlight bulb sizes:
1. H1: This single-beam bulb is commonly used for high beams or fog lights.
2. H3: Another single-beam bulb typically used for fog lights or auxiliary lights.
3. H4/9003: This is a dual-beam bulb with separate filaments for high and low beams. It is commonly found in many older vehicles.
4. H7: A single-beam bulb that is widely used for low beams in many modern vehicles.
5. H11: Primarily used for low beams and fog lights, this single-beam bulb is commonly found in newer vehicles.
6. 9005/HB3: This single-beam bulb is typically used for high beams in many vehicles.
7. 9006/HB4: Another single-beam bulb commonly used for low beams or fog lights.
8. 9007/HB5: A dual-beam bulb with separate filaments for high and low beams, often found in older vehicle models.
9. H13/9008: This dual-beam bulb is commonly used in newer vehicles, providing both high and low beam functionality.
10. H15: A single-beam bulb that is commonly used for daytime running lights (DRLs).
It's important to note that these are just some of the common headlight bulb sizes, and there may be variations depending on specific vehicle models. To ensure the correct bulb size for your car, it is recommended to consult your vehicle's owner's manual or check with a trusted automotive parts retailer or manufacturer.