PIAA Headlight Bulb
PIAA 15224 H4 Xtreme White Plus Halogen Headlight Bulbs Twin Pack
Representative Photo, actual item may vary
Why PIAA Headlight Bulbs Stand Apart
When it comes to replacing your vehicle's headlight bulbs, few names carry the engineering pedigree of PIAA. Founded in 1963, PIAA has spent decades refining halogen and LED lighting technology through dedicated research facilities around the world. Their headlight bulbs are not simply drop-in replacements — they represent a carefully engineered upgrade that prioritizes real-world visibility, safety, and long-term reliability.
Signature Product Lines
PIAA's headlight bulb lineup is organized around distinct technologies, each tailored to a specific driving need:
- Xtreme White Plus: The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Running at a crisp 4000K color temperature, these bulbs feature a signature blue top coat that adds a modern aesthetic without sacrificing any light output.
- Xtreme White Hybrid: Constructed utilizing features from the Xtreme White Plus and Night Tech lines, PIAA's Hybrid bulbs provide high output and reliability that today's demanding drivers expect — making it an excellent all-around choice for drivers who want a single bulb that does it all.
- Night Tech: The PIAA Night Tech bulb is the pinnacle of high-output halogen performance. It uses a dual alloy filament alongside PIAA's proprietary Xtra Technology, which is engineered to produce greater light output than the bulb's rated power consumption — meaning a 55W bulb delivers the effective output of an 85W unit.
- Solar Yellow: PIAA's Solar Yellow line addresses one of the most challenging driving conditions: inclement weather. Newly developed Vivid-Coat Technology allows more light to pass through the coating, and the warm color temperature is specifically chosen to reduce glare and improve contrast in snow, sleet, fog, dust, and smoke.
- Ion Crystal: Ion Crystal coating transforms white light into amber light without diminishing the strength of the beam. This is achieved through a proprietary coating that allows as much as 95% of the light to pass through — compared to as little as 65% with conventional dyed glass — making it a highly efficient choice for wet-weather driving.
- Super Plasma GT-X: For drivers seeking an HID-like appearance from a halogen bulb, the Super Plasma GT-X delivers a bluish-purple color temperature that is among the closest to sunlight available in a halogen format.
Built to Perform, Built to Last
PIAA scientifically engineers bulbs to exacting specifications utilizing the latest in integrated computer aided technology. Each bulb features a high-quality, heat-resistant glass tube with a metal bond to prevent cracks and leaks, and every PIAA bulb is 100% tested at each step in the manufacturing process. Crucially, PIAA's bulbs are SAE and DOT approved, so upgrades are street-legal across all 50 states. PIAA also backs their halogen bulbs with a one-year no-questions-asked replacement warranty, underscoring their confidence in the product's durability.
Whether you're navigating a poorly lit highway, tackling an off-road trail, or simply replacing a burned-out low-beam, PIAA's headlight bulb range offers a proven, research-backed solution for virtually every scenario. Explore the full PIAA brand catalog or browse all available headlight bulbs to find the right fit for your vehicle.