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GMC Sierra 1500 Parts

Find the right Parts for your GMC Sierra 1500 at CrashParts.com. We offer a wide selection of aftermarket parts, including body parts, replacement components, and accessories designed for proper fit and durability. All parts are carefully selected to meet quality standards while keeping prices competitive. Whether you’re repairing collision damage or upgrading your vehicle, our catalog makes it easy to find the exact part you need. Enjoy fast shipping, reliable availability, and a smooth ordering experience-browse the products below and order with confidence.

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1999 GMC Sierra 1500
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FAQ

HID lights can also be referred to as Xenon bulbs (though not all Xenon bulbs are HID). Some vehicle manufacturers also use Bi-Xenon headlights. Bi-Xenon means the same bulb handles the high and low beams. If you have these headlights, your projector handles both, so in short, you only need to replace one bulb to upgrade or repair the functionality of your headlight.
Installing new headlights on your vehicle can result in fitment issues if they are improperly installed. Many times an alignment post is not inserted correctly, or a bracket is not tightened to the correct torque. In other cases, the incorrect part is being installed. We want to know if you have any installation issues with your new parts as soon as possible, so that we can help you figure out exactly what is wrong. Please contact us so we can help you save time with any questions you might have if something does not appear to fit correctly.
For the most part, no. The stock replacement headlight assemblies are a direct equivalent to what is being taken out of the car. You can reuse your old bulbs and sockets, which should fit right in with no modifications needed. Some of the aftermarket units do use different Halogen bulbs than the stock ones. In those cases, we sell the requisite bulb, and really, with the great deal we have on PERDE light bulbs, you can't go wrong with fresh, new bulbs.
HID stands for "High Intensity Discharge". These bulbs use an electric arc rather than the glowing filament in a Halogen bulb. HID headlamp bulbs do not run on low-voltage DC current like a Halogen Bulb, so they require a ballast, which controls and regulates the flow of current. This ballast will require an ignitor to light the bulb. This is either integrated directly into the bulb or as a separate unit which is occasionally part of the ballast, similar to fluorescent bulbs in your home. In a vehicle, HID bulbs tend to be much more expensive to replace than a Halogen bulb.
You shouldn’t touch the glass portion of a halogen bulb, as any debris, even oil from your skin, can shorten the life of the bulb. Wearing gloves while handling bulbs or working on your vehicle will protect your hands and sensitive components from dirt and grime.