Headlight bulbs are designed to last 500-750 hours, but you should replace them if you notice dim headlights or after a ...

Original equipment quality seal for the most reliable performance Always replace in pairs to ensure a symmetric light beam from both bulbs on the road. Headlights dim over time. Headlight bulbs by ...

That likely means you aren’t shopping for replacement HID bulbs as frequently as you would if you had halogen headlights, but eventually they will need to be replaced. The most convenient way to ...

A website touting the Sylvania SilverStar headlight bulb says it provides "up to 30 ... Check out our buying guide to headlight-restoration kits for more information.