1999 GMC Sierra Headlights

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    • (0 reviews)
      # 138635319
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome 15-LED Headlights by Lumen®, 1 Pair. Black housing, clear lens. Replace your dim and dated standard reflector sealed beams with our full LED...
      $99.99
    • (52 reviews)
      # 15321072
      GMC Sierra 1999, Black/Smoke Halo Projector LED Headlights by Spyder®, 1 Pair. Black housing, smoke lens. Does not Include 9005 High Beam Bulb. Includes 9006 Low Beam Bulb. Improve your vision and your vehicle’s appearance with...
      Improved illuminationUnique, custom styling
      $236.41 - $261.90
    • (2 reviews)
      # 54557015
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Black High/Low Beam Full LED Projector Headlight by Spyder®, Sold Individually. Black housing, clear lens. Low beam is on with two projectors...
      Complement your classic vehicleImproved illumination
      $195.10
    • (1 reviews)
      # 423118
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Black High/Low Beam Projector Headlights by Spyder®, 1 Pair. Black housing, clear lens. Includes H4 replaceable bulbs. Update your classic vehicle's...
      Complement your classic vehicleImproved illumination
      $26.53
    • (2 reviews)
      # 15313550
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Black High/Low Beam Projector Headlights with LEDs by Spyder®, 1 Pair. Black housing, clear lens. Includes H4 replaceable bulbs. These retrofit...
      Complement your classic vehicleImproved illumination
      $63.44
    • (52 reviews)
      # 25511198
      GMC Sierra 1999, Black Halo Projector LED Headlights by Spyder®, 1 Pair. Black housing, clear lens. Does not Include 9005 High Beam Bulb. Includes 9006 Low Beam Bulb. Improve your vision and your vehicle’s appearance with these...
      Improved illuminationUnique, custom styling
      $205.65 - $270.69
    • (12 reviews)
      # 439783
      GMC Sierra 1999, Chrome/Smoke CCFL Halo Projector LED Headlights by Spyder®, 1 Pair. Chrome housing, smoke lens. Does not Include 9005 High Beam Bulb. Includes 9006 Low Beam Bulb. Improve your vision and your vehicle’s appearance...
      Improved illuminationUnique, custom styling
      $283.87
    • (40 reviews)
      # 264179
      GMC Sierra 1999, Chrome/Smoke Halo Projector LED Headlights by Spyder®, 1 Pair. Chrome housing, smoke lens. Does not Include 9005 High Beam Bulb. Includes 9006 Low Beam Bulb. Improve your vision and your vehicle’s appearance with...
      Improved illuminationUnique, custom styling
      $225.87
    • (2 reviews)
      # 54557016
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome High/Low Beam Full LED Projector Headlight by Spyder®, Sold Individually. Chrome housing, clear lens. Low beam is on with two projectors...
      Complement your classic vehicleImproved illumination
      $195.10
    • (1 reviews)
      # 423119
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome High/Low Beam Projector Headlights by Spyder®, 1 Pair. Chrome housing, clear lens. Includes H4 replaceable bulbs. Update your classic...
      Complement your classic vehicleImproved illumination
      $26.53
    • (2 reviews)
      # 15313549
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome High/Low Beam Projector Headlights with LEDs by Spyder®, 1 Pair. Chrome housing, clear lens. Includes H4 replaceable bulbs. These retrofit...
      Complement your classic vehicleImproved illumination
      $63.44
    • (52 reviews)
      # 25511199
      GMC Sierra 1999, Chrome Halo Projector LED Headlights by Spyder®, 1 Pair. Chrome housing, clear lens. Does not Include 9005 High Beam Bulb. Includes 9006 Low Beam Bulb. Improve your vision and your vehicle’s appearance with these...
      Improved illuminationUnique, custom styling
      $205.65 - $270.69
    • (1 reviews)
      # 54137291
      GMC Sierra 1999, Chrome Euro Headlights with Amber Bumper Lights by Spyder®, 1 Pair. Chrome housing, clear lens. Improve your vision and your vehicle’s appearance with these bolt-on headlight assemblies. The clear lens and...
      Improved illuminationUnique, custom styling
      $113.37
    • (0 reviews)
      # 69627783
      GMC Sierra Long Bed / Short Bed 1999, Carbon Fiber Euro Halo LED Headlights by Spec-D®, 1 Pair. Carbon Fiber housing, clear lens. Get improved nighttime vision and upgraded style with these bolt-on headlight assemblies. The brand...
      Improved visibilityExclusive, custom styling
      $133.81
    • (0 reviews)
      # 260355
      GMC Sierra Long Bed / Short Bed 1999, Chrome Euro Halo LED Headlights by Spec-D®, 1 Pair. Chrome housing, clear lens. Get improved nighttime vision and upgraded style with these bolt-on headlight assemblies. The brand new lens and...
      Improved visibilityExclusive, custom styling
      $133.81
    • (4 reviews)
      # 99439730
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Black Projector Headlights by Spec-D®, 1 Pair. Black housing, clear lens. Enhance the appearance of your classic vehicle while improving its...
      Professionally designed to elevate your vehicle's style and add a personal touchEquipped with replaceable dual-filament H4 bulbs
      $24.03
    • (5 reviews)
      # 99439731
      GMC Sierra 1999, Black Dual Halo Projector LED Headlights by Spec-D®, 1 Pair. Black housing, clear lens. Upgrade your car or truck from plain and anonymous to high class Euro style and unique with these Halo Headlights with LEDs....
      Improved visibilitySuperior illumination
      $135.19
    • (4 reviews)
      # 99439729
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome Projector Headlights by Spec-D®, 1 Pair. Chrome housing, clear lens. Enhance the appearance of your classic vehicle while improving its...
      Professionally designed to elevate your vehicle's style and add a personal touchEquipped with replaceable dual-filament H4 bulbs
      $24.03
    • (5 reviews)
      # 99439732
      GMC Sierra 1999, Chrome Dual Halo Projector LED Headlights by Spec-D®, 1 Pair. Chrome housing, clear lens. Upgrade your car or truck from plain and anonymous to high class Euro style and unique with these Halo Headlights with LEDs....
      Improved visibilitySuperior illumination
      $135.19
    • (1 reviews)
      # 99439728
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome LED Headlight Off-Road Use Only by Spec-D®, Sold Individually. Chrome housing, clear lens. Designed for those owners of classic vehicles who...
      $41.62
    • (0 reviews)
      # 26136288
      GMC Sierra Long Bed / Short Bed 1999, Black Euro Headlights by Spec-D®, 1 Pair. Black housing, clear lens. Get improved nighttime vision and upgraded style with these bolt-on headlight assemblies. The brand new lens and...
      Improved visibilityExclusive, custom styling
      $133.81
    • (0 reviews)
      # 87439064
      GMC Sierra Long Bed / Short Bed 1999, Chrome Euro Headlights by Spec-D®, 1 Pair. Chrome housing, clear lens. Get improved nighttime vision and upgraded style with these bolt-on headlight assemblies. The brand new lens and...
      Improved visibilityExclusive, custom styling
      $82.77
    • (0 reviews)
      # 74437336
      GMC Sierra 1999, Chrome OEM Style Headlights with Color Halo by Oracle Lighting®. 1 Pair (2 Halo Rings per Light). Chrome housing, clear lens. These headlights come with preinstalled Oracle Halo rings and vehicle specific wiring...
      Come preassembled - One pair of OEM quality headlights with preinstalled Halo rings. Include vehicle specific wiring if required.Lighting technology – Available with SMD, CCFL, PLASMA, COLORSHIFT, and COLORSHIFT 2.0 lighting technologies.
      +3
      $594.96 - $791.27
    • (5 reviews)
      # 73816545
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Color Halo Headlight by Oracle Lighting®. Accepts H4 bulb (sold separately). Available in a variety of colors to fit you project needs. These...
      Amber Halos Can Be Used As Turn SignalsBlue, Green And Red Intended For Show Only
      +3
      $84.96 - $126.61
    • (1 reviews)
      # 44172726
      GMC Sierra 1999, Black U-Bar Projector LED Headlights by Anzo®, 1 Pair. Black housing, clear lens. Bulbs: 9005 low beam (included), 9005 high beam (included). These powerful lights are brighter than factory and are designed using...
      Unique and stylish designImproved illumination
      $365.90
    • (1 reviews)
      # 44172727
      GMC Sierra 1999, Chrome U-Bar Projector LED Headlights by Anzo®, 1 Pair. Chrome housing, clear lens. Bulbs: 9005 low beam (included), 9005 high beam (included). These powerful lights are brighter than factory and are designed using...
      Unique and stylish designImproved illumination
      $365.90
    • (1 reviews)
      # 12754315
      GMC Sierra with Factory LED Headlights 1999, Black Halo LED Headlights with Amber Reflector by Anzo®, 1 Pair. Black housing, clear lens. Bulbs: 9005 low beam (included), 9005 high beam (included). These powerful lights are brighter...
      Increased visibilityPremium quality
      $284.74
    • (1 reviews)
      # 12754316
      GMC Sierra with Factory LED Headlights 1999, Chrome Halo LED Headlights with Amber Reflector by Anzo®, 1 Pair. Chrome housing, clear lens. Bulbs: 9005 low beam (included), 9005 high beam (included). These powerful lights are...
      Increased visibilityPremium quality
      $284.74
    • (0 reviews)
      # 12754314
      GMC Sierra 1999, Black Halo Projector LED Headlights by Anzo®, 1 Pair. Black housing, clear lens. Bulbs: 9005 low beam (included), 9005 high beam (included). Do you have a hard time seeing while driving at night? Worried about...
      Increased visibilityImproved illumination
      $299.21
    • (0 reviews)
      # 12754313
      GMC Sierra 1999, Chrome Halo Projector LED Headlights by Anzo®, 1 Pair. Chrome housing, clear lens. Bulbs: 9005 low beam (included), 9005 high beam (included). Do you have a hard time seeing while driving at night? Worried about...
      Increased visibilityImproved illumination
      $299.21
    • (1 reviews)
      # 58423392
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome High/Low Beam Euro Headlight by Anzo®, Sold Individually. Chrome housing, clear lens. Bulbs: H4 low/high beam (included). These powerful head...
      Exclusive stylingPremium quality
      $25.29
    • (7 reviews)
      # 268520
      GMC Sierra 1999, Black Halo Euro LED Headlights with Amber Reflectors by CG®, 1 Pair. Black housing, clear lens. Upgrading your automobile with these great CG lights is the perfect way to go if you're seeking both superior...
      Ensure intensive illuminationMake your vehicle highly visible to other drivers
      $159.31
    • (7 reviews)
      # 268521
      GMC Sierra 1999, Chrome Halo Euro LED Headlights with Amber Reflectors by CG®, 1 Pair. Chrome housing, clear lens. Upgrading your automobile with these great CG lights is the perfect way to go if you're seeking both superior...
      Ensure intensive illuminationMake your vehicle highly visible to other drivers
      $159.31
    • (2 reviews)
      # 258947
      GMC Sierra 1999, Black Halo Projector LED Headlights with Amber Reflectors by CG®, 1 Pair. Black housing, clear lens. If you’re seeking to update your faded or cracked headlights in order to get excellent illumination, these...
      Ensure superior illumination despite the weatherMake your car more conspicuous to other drivers
      $189.44
    • (2 reviews)
      # 259002
      GMC Sierra 1999, Chrome Halo Projector LED Headlights with Amber Reflectors by CG®, 1 Pair. Chrome housing, clear lens. If you’re seeking to update your faded or cracked headlights in order to get excellent illumination, these...
      Ensure superior illumination despite the weatherMake your car more conspicuous to other drivers
      $189.44
    • (8 reviews)
      # 3761656
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Black Projector Diamond Cut Headlights by IPCW®, 1 Pair. Black housing, clear lens. Includes replaceable bulbs and wiring harness. Glass Lens. To...
      Projector lenses provide you stronger and more concentrated light output in comparison to ordinary crystal headlightsUnique light design makes your vehicle more visible to oncoming cars
      $250.48
    • (8 reviews)
      # 262272
      GMC Sierra 1999, Black Halo Projector LED Headlights by IPCW®, 1 Pair. Black housing, clear lens. These projector headlights are a perfect upgrade if you're looking to spruce up your style with bright Halos and LED lights and...
      Superior illuminationImproved visibility
      $239.17
    • (8 reviews)
      # 3761630
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome Projector Diamond Cut Headlights by IPCW®, 1 Pair. Chrome housing, clear lens. Includes replaceable bulbs and wiring harness. Glass Lens. To...
      Projector lenses provide you stronger and more concentrated light output in comparison to ordinary crystal headlightsUnique light design makes your vehicle more visible to oncoming cars
      $242.39
    • (8 reviews)
      # 262350
      GMC Sierra 1999, Chrome Halo Projector LED Headlights by IPCW®, 1 Pair. Chrome housing, clear lens. These projector headlights are a perfect upgrade if you're looking to spruce up your style with bright Halos and LED lights and...
      Superior illuminationImproved visibility
      $239.17
    • (8 reviews)
      # 268639
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome Diamond Cut Headlight by IPCW®, Sold Individually. Chrome housing, clear lens. To get a classy look that will greatly change the appearance...
      Projector lenses provide you stronger and more concentrated light output in comparison to ordinary crystal headlightsUnique light design makes your vehicle more visible to oncoming cars
      $27.22
    • (8 reviews)
      # 268656
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome Diamond Cut Headlight by IPCW®, Sold Individually. Chrome housing, clear lens. To get a classy look that will greatly change the appearance...
      Projector lenses provide you stronger and more concentrated light output in comparison to ordinary crystal headlightsUnique light design makes your vehicle more visible to oncoming cars
      $35.66
    • (8 reviews)
      # 268655
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome OE Look Headlight by IPCW®, Sold Individually. Chrome housing, clear lens. To get a classy look that will greatly change the appearance of...
      Projector lenses provide you stronger and more concentrated light output in comparison to ordinary crystal headlightsUnique light design makes your vehicle more visible to oncoming cars
      $24.06
    • (1 reviews)
      # 55572575
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Euro Headlights by Winjet®, 1 Pair. Includes two H4 replaceable bulbs. Chrome housing, Clear lens. Enhance the look of your front end with these...
      Freshen up your vehicle's look and let it stand out from the restProvide a brighter and more focused light beam than your factory-installed units
      $26.57
    • (1 reviews)
      # 81087084
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Black LED Headlights by Rigid Industries®. 1 Pair. 23/46W, 1.8/3.6 Amp Draw. Metalized reflector optics provide a lighting experience that is smooth...
      DOT CompliantHard-coated polycarbonate lens
      $484.49
    • (0 reviews)
      # 80203994
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Evolution High/Low Beam Black Projector LED Headlight by J.W. Speaker®, Sold Individually. Popular in the heavy duty trucking market, Evolution is a...
      Combined high and low beam functionsNewer design boasts a 30% increase in high beam intensity
      $360.00
    • (0 reviews)
      # 80203993
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Evolution High/Low Beam Chrome Projector LED Headlight by J.W. Speaker®, Sold Individually. Popular in the heavy duty trucking market, Evolution is...
      Combined high and low beam functionsNewer design boasts a 30% increase in high beam intensity
      $360.00
    • (0 reviews)
      # 73788359
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Chrome Diamond Cut Color Halo Headlights by RedLine LumTronix®. How about some super cool “angel eye” headlights for your ride with RedLine...
      Angel Eyes LED SMD RingOff-road use only
      $139.95 - $299.95
    • (0 reviews)
      # 68992035
      GMC Sierra 2500 1999, 7x6" (200mm) Rectangular Chrome High/Low Beam Euro Headlights by Vision X®, 1 Pair. Not includes H4 high and low beam replaceable bulbs. If you want to adapt European technology to US lighting standards and...
      Renovate your vehicle's lookProvide a 30 % brighter light beam than your factory headlamps
      $65.00
    • (2 reviews)
      # 1422257
      GMC Sierra 1999, Replacement Headlight by Replace®. You need all your lights to be functional for safe driving, to see the road and be seen by other drivers. Don't drive with broken or missing lights and endanger yourself and your...
      Factory original quality for lessDirect replacement
      $44.97 - $139.21
    • (0 reviews)
      # 91427967
      GMC Sierra 1999, Replacement Headlight by TYC®. When you're driving late at night, you do want to clearly see the road ahead and want your headlights to perform at their best. Then again, when one of your headlights gets damaged,...
      Factory original quality for lessDirect replacement
      $40.85 - $120.87
    • (2 reviews)
      # 94047088
      GMC Sierra 1999, Replacement Headlight by Dorman®. Dorman comprehensive line lighting components includes headlights, side marker lights, tail lights and more! All lighting components are direct replacements for a proper fit.
      Replacement helps you pass state inspection - and avoid tickets and finesWiring harness included (where applicable)
      $53.07
    • (0 reviews)
      # 34490298
      GMC Sierra 2500 1999, Replacement Headlight by Sherman®. Don't risk your safety by driving with non-functional or damaged headlights. Replace them with Sherman headlights built to OEM specifications to provide a direct fit along...
      Manufactured to exact OEM specificationsDirect fit replacement – no modifications required
      $55.96 - $56.75
    • (0 reviews)
      # 34490309
      GMC Sierra With Factory Halogen Headlights Extended Cab / Regular Cab 1999, Replacement Headlight Assembly by Sherman®. Don't risk your safety by driving with non-functional or damaged headlights. Replace them with Sherman...
      Manufactured to exact OEM specificationsDirect fit replacement – no modifications required
      $60.35 - $62.34
    • (0 reviews)
      # 71958471
      GMC Sierra Extended Cab / Regular Cab 1999, Rectangular Replacement Sealed Beam Headlights by Sherman®. This is an aftermarket part that replaces factory OE #25949657. Don't risk your safety by driving with non-functional or...
      Manufactured to exact OEM specificationsDirect fit replacement – no modifications required
      $49.93 - $51.67
    • (0 reviews)
      # 86077434
      GMC Sierra 1500 1999, Replacement Headlight by K-Metal®. You need all your lights to be functional for safe driving, to see the road and be seen by other drivers. Don't drive with broken or missing lights and endanger yourself and...
      Factory original quality for lessDirect replacement
      $61.25
    • (2 reviews)
      # 58538942
      GMC Sierra 1999, Replacement Headlight by Eagle®. Projector. Go with these high quality replacement lights to improve your visibility and feel safe on the road. Each and every light is meticulously designed for a perfect fit to...
      Deliver improved performance and clearer visionDesigned to light up any road
      $55.20 - $197.75
    • (0 reviews)
      # 72122293
      GMC Sierra 2500 With Factory Sealed Beam Headlights 1999, Sealed Beam Headlights by AC Delco®, Socket: H6054. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.21
    • (0 reviews)
      # 87439173
      GMC Sierra 1999, Chrome Euro Headlight by Spec-D®, 1 Piece. Chrome housing, clear lens. Get improved nighttime vision and upgraded style with these bolt-on headlight assemblies. The brand new lens and multi-faceted reflector will...
      Improved visibilityExclusive, custom styling
      $35.24
    • (0 reviews)
      # 73822052
      GMC Sierra 2500 with Factory Sealed Beam Headlights 1999, 7x6" (200mm) Rectangular Headlights by RedLine LumTronix®. How about some super cool headlights for your ride with RedLine LumTronix? These are the headlights to have if you...
      Euro style diamond-cutReplaces the stock unit to provide greater visibility
      $80.95
    • (3 reviews)
      # 54137288
      GMC Sierra 1999, Black LED Bumper Lights by Spyder®, 1 Pair. Black housing, clear lens. Why stop at headlights, tail lights, and fog lights. Bumper lights are another easy way to customize your car or truck and differentiate it...
      Increased visibilityDirect bolt-on replacement
      $127.44




    Guides & Articles

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      Care And Feeding Of Your Composite Headlamps
      The condition of a vehicle's headlights is probably the last thing most drivers worry about unless there's a significant problem. Yesterday's cars with sealed beam headlights required little maintenance other than to replace a round or rectangular unit when one burned out. And once a new headlight was put in, everything looked and worked like new again.
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      How To Install A Set Of Custom Headlamp Assemblies
      If the front of your vehicle is its “face”, then the headlamps have long been considered the vehicle’s “eyes”. Everyone notices them. One of the most distinctive changes you can make to the face of your car or truck is to replace the factory headlamp assemblies with a custom set. Your ride will take on a personality all its own, and will gain a distinctive appearance that will set it apart from all the other look-alike vehicles on the road.
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      Factors To Consider When Purchasing A Replacement Factory Headlamp
      We at CARiD know that there are times when you need to replace factory headlight assemblies with units that match the quality and function of your originals. While it's more "fun" to customize your ride, sometimes the repair takes priority. One headlamp lens may be cracked. You may have been in a minor fender-bender (lamp bender?) and the mounting tabs may have broken. Note that "factory" style headlight assemblies we sell are designed to replicate the original lamps, so you will not be considering features such as LEDs, halo rings, or projector beams. We've created this article to help ensure what you purchase is exactly right for your needs and wants.
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      How To Choose The Best Custom Headlamp Assembly For Your Car
      Custom headlamp assemblies on the market today tend to be grouped into four main designations: "Projector" style, "Halo" style, "LED" style, and "Euro" style. This can lead to confusion, because "Halo" style headlamp assemblies may also be equipped with projector lights and LED bulbs. Or, "Euro" style headlight assemblies may be equipped with halo rings, projector lights, and LEDs… or they may not be. You may be asking yourself which style is the best choice for me? See our Custom and Factory Headlight Glossary for definitions and more details about each style.
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      A Brief History Of Sealed Beam Headlamps In The U.S.
      Those of you born after 1990 or so have grown up in an automotive world where “all cars” have composite headlamp assemblies, uniquely designed to be make- and model-specific. If a light within the assembly burns out, you replace “just” the bulb. If the unit cracks, you must purchase a replacement that fits your car and your car only.
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      When searching for a new set of headlamp assemblies for your ride, you may come across any number of terms which require explanation. Like many other accessory categories, headlamps use their own terminology. For your convenience, we provide you with this list, presented in alphabetical order, and with photos to help you identify these features.
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      Automotive LED Lighting Explained.
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      Today, halogen bulbs are most often used for headlights and fog lights, and their increased light output increases driver visibility in darkness and inclement weather. Halogen bulbs are a variant of the traditional incandescent bulbs that have been used since the early days of the electric light. The bulb is either evacuated (has a vacuum) or filled with an inert gas to keep the filament from oxidizing.

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    1999 GMC Sierra Headlights Reviews

    Average rating:  4.5  4.5 - 10 reviews
    5 of 5
    Great Product
    I bought these head light for my son for Christmas and he installed them the very next day. Easy installation and they look really good on his 2000 GMC truck.
    PPosted by Patty (Santa Clarita, CA) /
    1999 GMC Sierra
    Was this review helpful for you? Yes
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