Overview
The PIAA 19614 is a 9004 (HB1) Xtreme White Plus replacement bulb rated at 65/45w=120/95w with 4000K output. The Xtreme White Plus line is built to reveal hazards and signs farther down the road than a halogen bulb does.
PIAA says these bulbs hold up to vibration and moisture in demanding use. The company credits XTRA Technology, which combines a proprietary gas mixture with an aerospace alloy filament, for more light per watt. Universal fit means the 9004 base and the housing determine use, not a named vehicle.
Key features
- Xtreme cool white 4000K color
- Aerospace alloy filament, per PIAA
- Built for vibration and moisture protection
- Replacement 9004 (HB1) base size
Housing and beam checks
A headlight housing is designed around a specific bulb base and filament position. Before fitting, confirm the 9004 base matches the socket and that the bulb sits fully seated with the retaining clip secured. A loose bulb can shift the beam and lead to uneven light on the road.
A brighter white tint can scatter in rain, fog or road spray. Clean lenses and properly aimed headlights make a larger difference to visibility than color alone. Keep the lens free of film and check that both sides throw similar light patterns.
Heat from the bulb reaches the housing, so inspect the socket for discoloration after the first few drives. Replace both headlights together to keep the color and output matched, and keep a spare bulb in a dry place for trips where replacement could be difficult.
- Confirm the 9004 base fits the socket
- Check the retaining clip after fitting
- Inspect the socket after the first drives
Specifications
| Brand | PIAA Lighting |
|---|---|
| Part number | 19614 |
| UPC | 722935196145 |
| Bulb base | 9004 (HB1) |
| Power rating | 65/45w=120/95w |
| Color temperature | 4000K |
| Type | Replacement bulb |
| Fitment | Universal fit |
Vehicle fitment
It is universal fit, so it is not tied to a particular year, make or model. Fit is set by the 9004 base and the housing.
Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Make sure the housing is rated for a 9004 bulb, and check local rules for headlight color before driving on public roads.
What’s included
This is a replacement bulb, so check the package contents against your installation before starting.









