Most US‑spec Impreza models use halogen headlights, with low beams commonly using H11 bulbs and high beams commonly using 9005 bulbs. Exact bulb types vary by model year and trim, and some editions offer HID or LED headlights. Always verify with your owner’s manual or by checking the bulb label on the headlight housing.
Common bulb configurations
The following outlines typical setups seen across several Impreza generations. Exact bulbs can differ by year, market and whether the car uses standard halogen, HID, or LED headlights.
- Headlights (low beam): H11 is the most common halogen low-beam choice on many US‑spec Imprezas; some older or international models used alternative options such as H7.
- Headlights (high beam): 9005 (HB3) is a frequent high-beam choice for many US‑spec Impreza models; some generations or markets may employ different setups or LED/HID assemblies.
- Fog lights: In many models, fog lights use H11 or H16 bulbs depending on year and trim; verify for your specific vehicle.
Because configurations can vary widely between generations and markets, always confirm the exact bulb type for your car before purchasing replacements.
How to identify the exact bulb type for your Impreza
Use these steps to verify the precise bulbs for your vehicle, year, and trim.
- Consult the owner's manual or Subaru’s official parts catalogs for your model year and trim to confirm the exact bulb codes.
- Inspect the headlight assembly or bulb packaging; many bulbs have the type printed on the base or on a label near the connector.
- Safely open the hood and carefully remove the bulb to read its markings or take a photo of the base for reference.
- Cross-check the markings with a trusted parts database or retailer using your year, model, and trim to ensure an exact match.
- When replacing, use the same type unless you are upgrading to a compatible HID/LED system with proper wiring and components.
By following these steps, you’ll minimize the risk of buying the wrong bulb and ensure proper fit and performance.
Special cases and practical tips
Factory HID and LED options
Some Impreza trims—especially higher-end or newer models—came with HID (xenon) or LED headlights from the factory. In these cases there isn’t a conventional replaceable halogen bulb (such as H11 or 9005) to swap in. Replacement may involve HID ballast modules or LED assemblies, and it’s important to match the correct system and ballast specifications if you’re purchasing replacements or performing upgrades.
Fog lights and regional variations
Fog light bulb choices have varied by year and market. While H11 and H16 are common, certain generations or regional models used different bulbs. Check your vehicle’s labeling and official documentation to confirm the exact fog light bulb type.
Maintenance and replacement tips
When handling headlights, avoid touching the glass with bare hands, as oils can shorten bulb life. Use gloves or a clean cloth, ensure the power is off, and allow the headlight housing to cool before removing bulbs. If you’re upgrading to LEDs or HID, follow manufacturer guidelines and consider professional installation to preserve beam pattern and safety.
Summary
In practice, Subaru Impreza headlights are most often halogen, with low beams commonly being H11 and high beams commonly being 9005 on many US models. Exact bulb types vary by generation, trim, and market, and some models use HID or LED lighting. Always verify with the owner’s manual or by checking the bulb label on the headlight, and use the steps above to identify the precise bulb needed for your specific car. If you share your model year and trim, I can help pinpoint the exact bulb codes for your Impreza.