SYLVANIA - 9003 SilverStar Ultra - High Performance Halogen Headlight Bulb, High Beam, Low Beam and Fog Replacement Bulb, Brightest Downroad with Whiter Light, Tri-Band Technology (Contains 1 Bulb) LIGHTS DIM OVER TIME, REPLACE IN PAIRS: Be sure to replace both 9003 headlights at the same time for optimum performance. If one bulb burns out, the other isn't far behind. Replacing in pairs allows for premium visibility. BRIGHTEST 9003 HEADLIGHT = MOST DOWNROAD VISIBILITY: See all aspects of the road better with Sylvania's premium headlight bulbs, the Ultra Night Vision performance headlight. WHITER LIGHT FOR ADDED CLARITY: Patented Tri-Band Technology helps provide the whitest 9003 light compared to Sylvania OE bulbs. Improve contrast and object visibility such as street signs and road hazards. SLEEK STYLE & IMPROVED SAFETY AT NIGHT: Replace your standard 9003 bulb for this bright white halogen headlight that will increase your vehicles night time driving experience. THE SYLVANIA STANDARD OF QUALITY: With over 100+ years in business, Sylvania is the world leader in automotive lighting for Original Equipment Manufacturers (OEMs) and the aftermarket.