2003 GMC Sierra 2500HD Bulb Size Chart

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Headlight Bulb High Beam - 9005

Headlight Bulb Low Beam - 9006

Center High Mount Stop Light Bulb - 921

Turn Signal Light Bulb Front - 3157A

License Plate Light Bulb - 194

Parking Light Bulb - 3157A

Tail Light Bulb - 3157R

Turn Signal Light Bulb Rear - 3157A

Roof Marker Light Bulb - 194

Glove Box Light Bulb - 194

Trunk or Cargo Area Light - 912

Map Light Bulb(Compare to original - Option 2) - 578

Map Light Bulb(Compare to original - Option 1) - 168

Dome Light Bulb(Compare to original - Option 1) - 578

Ash Tray Light Bulb - 161

Courtesy Light Bulb(Compare to original - Option 1) - 194

Courtesy Light Bulb(Compare to original - Option 2) - 2721


2003 GMC Sierra 2500HD High Beam bulb size - 9005

    Xenon HID Conversion Kit

  • Popular

    Xentec 9005 6000K HID xenon bulb

    –  Replacement bulb for HID conversion, requires Xentec HID ballast to work.

    – Color available: 3000K (golden yellow), 5000K (Ivory White), 6000K (Diamond White), 8000K (Iceberg Blue), 10000K (deep blue), 12000K (blue-purple), Green, Pink.

    – Each bundle contains 2 bulbs, 2 ballast, and accessories.

    – Xenon Bulb: 2 xenon bulb fits the socket size and...

  • See More 9005 Xenon HID Conversion Kit

    Halogen Lights

  • Trustworthy Manufacturer

    Philips 9005B1 Standard Authentic Halogen Bulb

    Philips Standard range provides the same Original Equipment quality as the lights we provide to automakers around the world. The Philips Standard range offers an excellent value for every application.

    Quick replacement tips:

    • Don't compromise on safety, change in pairs to ensure a symmetric light beam on the road. Bulbs dim over...
  • Popular

    SYLVANIA 9005 SilverStar Ultra High Performance

    – Brightest headlight = most downroad visibility.
    – Whiter light for added clarity. Ultra Night Vision: Makes night drives less stressful and more comfortable
    –All of Sylvania’s headlights are 100% street legal and don’t increase glare (is what blinds oncoming traffic). Be assured you are improving your driving experience without...

  • See More 9005 Halogen Lights

    LED Lights

  • Premium Pick

    AUXITO 9005 Wireless LED Headlight Bulbs

    Product features:

    • 360 Degree Lighting - The LED interval of the bulb is about 0.03in, ultra-thin design. 360-degree illumination and no dark spots.
    • 6500K Cool White - Bright white light gives better visibility. No foggy light.
    • Perfect Beam Pattern - The shape and size of the LED chips are close to the filament of halogen bulbs...
  • Trustworthy Manufacturer

    SEALIGHT 9005 LED Bulbs

    Why should you choose this bulb?

    • Perfect Beam Pattern: Super focus beam pattern ensures bright light illuminates while not dazzle oncoming drivers, improving the driving experience. Ultra-thin chip carrier reduces dark spot
    • 50000 Hours Lifespan: Fanless base helps dissipate the heat to maintain a suitable temperature to avoid damage caused by overheating....
  • See More 9005 LED Lights

2003 GMC Sierra 2500HD Low Beam bulb size - 9006

    LED Lights

  • Premium Pick

    Xtremevision V10 LED Bulbs

    XtremeVision V10 LED Lighting System comes with everything you need to upgrade your halogen lights or existing HID to LED Headlight. Certain vehicles may require an additional canceller capacitor. Our LED Lighting System will provide you with the brightest visibility and safety for the road ahead. You will be able...

  • Popular

    Auxito 9006 80W 16,000LM/Pair, CanBus Ready

    360° illumination: Ultra-thin board design effectively simulates 9006/hb4 halogen lamp’s beam pattern
    Mini lamp size: Almost 1:1 same size as halogen 9006/hb4 headlight bulbs, non-polarity plugs, perfectly fit into your original 9006/hb4 headlight housing
    High compatibility: Upgraded can-bus error-free design.
    Long Lifespan: Whole aviation aluminum body, the built-in smart temperature...

  • See More 9006 LED Lights

    Xenon HID Conversion Kit

  • Premium Quality

    Optilux Hella Xenon Yellow HB4 9006 Bulbs

    – Original equipment quality bulbs you can trust from a global leader in automotive lighting technologies for more than 100 years
    – Optilux Extreme Yellow XY Halogen bulbs produce a yellow GT Series race car looking beam, providing better color contrast in rain and fog situations.
    – Produces a crisp...

  • See More 9006 Xenon HID Conversion Kit

2003 GMC Sierra 2500HD Center Stop bulb size - 921

    LED Lights

  • Extremely Bright

    LASFIT 921 912 LED Bulb

    • 300% Brighter - 921 led bulb has 3030 SMD LED chips. You can see farther and clearer when reversing at night.
    • Easy Installation - 1:1 design with halogens, non-polarity, play, and plug. 921 led bulb reverse light is fit for 921,912, T15, 906, 904, 902, 922, W16W. Upgrade replacement for reverse...
  • Premium Pick

    Philips Automotive Lighting 921WLED Ultinon LED (White)

    You want bright, stylish lighting for your car but you don’t want to keep replacing burned-out bulbs. Philips Ultinon LED lights to give you high-powered, automotive-grade LEDs, with a lifetime of up to 8 years. With conventional bulbs, the more powerful the light, the shorter its lifespan. Philips Ultinon LEDs...

  • See More 921 LED Lights

2003 GMC Sierra 2500HD Brake bulb size - 3157R

    LED Lights

  • Excellent Quality For a Reasonable Price

    Dorman 3157R LED Bulb

    • Direct replacement - this line of LED bulbs restores the appearance and safety of the original bulbs on specific vehicles
    • Corrosion resistant - bulb base features standard corrosion inhibitor
    • Restores appearance - looks, and function like the original bulb to maintain the look
    • Safety tested - undergone rigorous testing for conformance to product...
  • See More 3157R LED Lights

2003 GMC Sierra 2500HD Turn Signal bulb size - 3157A

2003 GMC Sierra 2500HD License Plate bulb size - 194

    LED Lights

  • Premium Quality

    AUXITO Ultra Blue LED Bulbs For Car Interior

    Product benefits:

    1. Canbus error free, no error after installation.
    2. 360-degree lighting angle, no visual blind spot.
    3. Energy-Saving, low power consumption for a longer life span.
    4. Easy to install, non-polarity just plug and play.
    5. Brilliant red color light brings your car a refreshed new look.
    6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...
  • Trustworthy Manufacturer

    Philips Xtreme Vision 360 X-tremeUltinon LED 194/168 Bulb

    • 360-degree light output coverage.
    • 5 times more light than conventional interior lighting.
    • Up to 12 years lifetime compared to regular halogen bulbs.
  • See More 194 LED Lights

2003 GMC Sierra 2500HD Parking bulb size - 3157A

2003 GMC Sierra 2500HD Tail Light bulb size - 3157R

    LED Lights

  • Excellent Quality For a Reasonable Price

    Dorman 3157R LED Bulb

    • Direct replacement - this line of LED bulbs restores the appearance and safety of the original bulbs on specific vehicles
    • Corrosion resistant - bulb base features standard corrosion inhibitor
    • Restores appearance - looks, and function like the original bulb to maintain the look
    • Safety tested - undergone rigorous testing for conformance to product...
  • See More 3157R LED Lights

2003 GMC Sierra 2500HD Turn Signal Rear bulb size - 3157A

2003 GMC Sierra 2500HD bulb size - 194

    LED Lights

  • Premium Quality

    AUXITO Ultra Blue LED Bulbs For Car Interior

    Product benefits:

    1. Canbus error free, no error after installation.
    2. 360-degree lighting angle, no visual blind spot.
    3. Energy-Saving, low power consumption for a longer life span.
    4. Easy to install, non-polarity just plug and play.
    5. Brilliant red color light brings your car a refreshed new look.
    6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...
  • Trustworthy Manufacturer

    Philips Xtreme Vision 360 X-tremeUltinon LED 194/168 Bulb

    • 360-degree light output coverage.
    • 5 times more light than conventional interior lighting.
    • Up to 12 years lifetime compared to regular halogen bulbs.
  • See More 194 LED Lights

2003 GMC Sierra 2500HD Glove Box bulb size - 194

    LED Lights

  • Premium Quality

    AUXITO Ultra Blue LED Bulbs For Car Interior

    Product benefits:

    1. Canbus error free, no error after installation.
    2. 360-degree lighting angle, no visual blind spot.
    3. Energy-Saving, low power consumption for a longer life span.
    4. Easy to install, non-polarity just plug and play.
    5. Brilliant red color light brings your car a refreshed new look.
    6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...
  • Trustworthy Manufacturer

    Philips Xtreme Vision 360 X-tremeUltinon LED 194/168 Bulb

    • 360-degree light output coverage.
    • 5 times more light than conventional interior lighting.
    • Up to 12 years lifetime compared to regular halogen bulbs.
  • See More 194 LED Lights

2003 GMC Sierra 2500HD Trunk Area bulb size - 912

    Halogen Lights

  • Best Value

    SYLVANIA 912 Long Life Miniature Bulb

    – Specifically designed to withstand road vibration and provide longer life than traditional bulbs.

    – Filament and gas mixture have been engineered for improved longevity.

    – Meets industry regulations for performance, while bettering life expectancy.

     

  • See More 912 Halogen Lights

    LED Lights

  • We Recommend

    AUXITO 912/921 LED Bulbs

    • CAN-BUS Error Free: Upgraded intelligent IC and 20w high output make the 921 led reverse light bulbs compatible with 99% of vehicles, with no radio interference
    • 15-Minutes Installation: Non-polarity design, simply plug and play, suit for socket: T15, 912, 921, 906, 904, 902, W16W, etc, used for backup reverse lights only,...
  • Popular

    AUXITO LED High Power 2835 15-SMD Chipsets

    – 300% Brighter: Each 921 bulb has 15 pieces high power 2835-SMD LEDs
    –Suit for socket : T15, 912, 921, 906, 904, 902, W16W.
    – CANBUS Error Free: Built-in intelligent IC driver for better performance
      ONLY used for backup reverse lights

  • See More 912 LED Lights

2003 GMC Sierra 2500HD Map Light bulb size - 578

    LED Lights

  • Trustworthy Manufacturer

    Ruiandsion LED 6V Car Interior Light Bulb

    Features:
    Long-lasting life durability and utility.
    Low working temperature better heat dissipation.
    Easy installation. Built-in Canbus driver can bypass error checks for most cars. Non-Polarity Design. For most vehicles Just Plug & Play.

  • See More 578 LED Lights

2003 GMC Sierra 2500HD Map Light bulb size - 168

    LED Lights

  • Editor's Choice

    Spec-D Tuning Led T10 5Smd Light Bulb

    • DOT and SAE Compliant. Made by an ISO Certified Manufacturer using Materials that meet or Exceed OEM Requirements!
    • Installation Made Easy on All of Our Items! Little to No Modifications are needed at Best!
  • Inexpensive But Reliable

    Diode Dynamics HP3 LED Bulbs

    Design.

    The 194 HP3 LED bulb is a compact, simple LED replacement with proven performance. The single diffused optic spreads light in the original lamp, for OEM-style appearance and function. With its dual-lead contacts, it will fit snugly in the socket, and its light weight means it won't vibrate loose over...

  • See More 168 LED Lights

2003 GMC Sierra 2500HD Dome Light bulb size - 578

    LED Lights

  • Trustworthy Manufacturer

    Ruiandsion LED 6V Car Interior Light Bulb

    Features:
    Long-lasting life durability and utility.
    Low working temperature better heat dissipation.
    Easy installation. Built-in Canbus driver can bypass error checks for most cars. Non-Polarity Design. For most vehicles Just Plug & Play.

  • See More 578 LED Lights

2003 GMC Sierra 2500HD Ash Tray bulb size - 161

2003 GMC Sierra 2500HD Courtesy bulb size - 194

    LED Lights

  • Premium Quality

    AUXITO Ultra Blue LED Bulbs For Car Interior

    Product benefits:

    1. Canbus error free, no error after installation.
    2. 360-degree lighting angle, no visual blind spot.
    3. Energy-Saving, low power consumption for a longer life span.
    4. Easy to install, non-polarity just plug and play.
    5. Brilliant red color light brings your car a refreshed new look.
    6. Fits directly into multiple bulb-size sockets such as 168 175 194 2825...
  • Trustworthy Manufacturer

    Philips Xtreme Vision 360 X-tremeUltinon LED 194/168 Bulb

    • 360-degree light output coverage.
    • 5 times more light than conventional interior lighting.
    • Up to 12 years lifetime compared to regular halogen bulbs.
  • See More 194 LED Lights

2003 GMC Sierra 2500HD Courtesy bulb size - 2721

Should you need a substitute bulb for just about any inner or exterior compartment of the motor vehicle, browse the in-depth table to detect fitting 2003 GMC Sierra 2500HD bulb size. Factory headlights give out a dim light over time, along with the real longevity is dependent upon the technologies utilized and the grade of the bulbs. This is a terrific time to take into consideration switching to a more tech-savvy lighting option. Our 2003 GMC Sierra 2500HD bulb chart assists recognize the proper bulb for any outlet of the car, whether it be headlights, fog lights, stop lights, brake lights, turn signals, etc.

We strongly recommend swapping the used original lights with top-notch LED counterparts because they present a lengthier life-span, improved brightness, and a larger collection of colors. Alternatively, aftermarket HID headlight packages are even much more exclusive solution letting your car differentiate itself from the average vehicles on the road by underlining the outstanding traits in the car's grill.

Keep in mind that cars of the same production year can be purchased in a variety of trims, and small variations may appear in bulb types for a similar part. To help make your life somewhat less difficult, we have carefully chosen the bulbs flawlessly matching 2003 GMC Sierra 2500HD and the most beneficial possibilities with regards to top-quality, reputation, cost, and life-time.

GMC Sierra 2500HD Bulb Chart By Years