2003 Chevrolet TrailBlazer EXT Bulb Size Chart

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Fog Light Bulb Front - 880

Headlight Bulb High Beam - 9005

Headlight Bulb Low Beam - 9006

Turn Signal Light Bulb Front - 3757A
License Plate Light Bulb - 2825

Parking Light Bulb - 3757A
Tail Light Bulb - 3157R

Daytime Running Light Bulb - 9005

Turn Signal Light Bulb Rear - 3157A

Back Up Reverse Light Bulb - 3157
Side Marker Light Bulb Front - 194NA
Vanity Mirror Light Bulb - 37
Glove Box Light Bulb - 194

Trunk or Cargo Area Light - 212-2
Dome Light Bulb - 212-2
Map Light Bulb - 194

Courtesy Light Bulb - 194


2003 Chevrolet TrailBlazer EXT Fog Light bulb size - 880

2003 Chevrolet TrailBlazer EXT High Beam bulb size - 9005

    LED Lights

  • Popular

    AUXITO 9005 9006 LED Headlight Bulbs Combo for High Low Beam Replacement

    – AUXITO 9006 9005 led headlight bulbs built-in intelligent IC driver, compatible with 99% of vehicles’ systems.
    – Same beam pattern with original halogen bulbs - The size and position of the LED chips are close to the filament in the halogen bulbs.
    – Whole aviation aluminum lamp body, 12,000RPM...

  • Best Selling

    Fahren 9005/HB3/H10 LED Headlight Bulbs

    Top Automotive-Grade LED chips produce a super focused beam pattern design that provides a wider and farther lighting range which is 3 times brighter than your original halogen bulb. Almost 1:1 mini design same as halogen, perfectly fit into your housing and factory sockets without any modification, just plug and play.

  • See More 9005 LED Lights

    Halogen Lights

  • 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...

  • Premium Pick

    Philips 9005 X-tremeVision

    – Get up to 100% more vision on the road compared to a standard

    – Excellent for nighttime drivers and when often driving in rural areas or dimly lit streets

    – For maximum light output and ultimate performance.

    - Original equipment quality.

  • See More 9005 Halogen Lights

    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...

  • Best Overall

    Morimoto Elite HID Kit System

    - Genuine Morimoto Elite HID System
    - Pair of XB35 (35W) or XB55 (50W) Ballasts Based Upon Product Selections
    - Pair of High-Quality Morimoto Bulbs

  • See More 9005 Xenon HID Conversion Kit

2003 Chevrolet TrailBlazer EXT Low Beam bulb size - 9006

    LED Lights

  • 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...

  • Popular

    AUXITO 9005 9006 LED Headlight Bulbs Combo for High Low Beam Replacement

    –The size and position of the LED chips are close to the filament in the halogen bulbs, so the 9005 9006 LED bulbs combo work well in the headlight housings, no dark spot and no blinding oncoming vehicles.
    –Whole aviation aluminum lamp body, 12,000RPM high speed cooling fan, and IP65...

  • See More 9006 LED Lights

    Halogen Lights

  • Premium Pick

    PIAA 19616 9006 (HB4) Xtreme White Plus

    The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen lights. These lamps feature a crisp white light that allows you to see the road well in front or behind your vehicle while also meeting DOT specifications...

  • See More 9006 Halogen 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 Chevrolet TrailBlazer EXT Brake bulb size - 3157R

    LED Lights

  • Premium Pick

    Philips 3157 Ultinon LED Bulb (Red)

    Get stylish signaling with intense red light. Whether it’s for backup, stopping, or signaling, Philips Ultinon LED exterior lighting is designed to provide excellent light distribution. Philips Ultinon LED lights are direct replacements for conventional bulbs. They’re easy to install and available for a wide range of interior and exterior...

  • Best Choice

    Sylvania Zevo LED Red Bulb

    SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for interior and exterior applications. World-class manufacturing and high-quality materials guarantee a lifetime warranty on your ZEVO bulbs. LED bulbs used for turn signals may require...

  • See More 3157R LED Lights

2003 Chevrolet TrailBlazer EXT License Plate bulb size - 2825

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. 

    Products with electrical...

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

  • See More 2825 LED Lights

2003 Chevrolet TrailBlazer EXT Tail Light bulb size - 3157R

    LED Lights

  • Premium Pick

    Philips 3157 Ultinon LED Bulb (Red)

    Get stylish signaling with intense red light. Whether it’s for backup, stopping, or signaling, Philips Ultinon LED exterior lighting is designed to provide excellent light distribution. Philips Ultinon LED lights are direct replacements for conventional bulbs. They’re easy to install and available for a wide range of interior and exterior...

  • Best Choice

    Sylvania Zevo LED Red Bulb

    SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for interior and exterior applications. World-class manufacturing and high-quality materials guarantee a lifetime warranty on your ZEVO bulbs. LED bulbs used for turn signals may require...

  • See More 3157R LED Lights

2003 Chevrolet TrailBlazer EXT DRL bulb size - 9005

    LED Lights

  • Popular

    AUXITO 9005 9006 LED Headlight Bulbs Combo for High Low Beam Replacement

    – AUXITO 9006 9005 led headlight bulbs built-in intelligent IC driver, compatible with 99% of vehicles’ systems.
    – Same beam pattern with original halogen bulbs - The size and position of the LED chips are close to the filament in the halogen bulbs.
    – Whole aviation aluminum lamp body, 12,000RPM...

  • Best Selling

    Fahren 9005/HB3/H10 LED Headlight Bulbs

    Top Automotive-Grade LED chips produce a super focused beam pattern design that provides a wider and farther lighting range which is 3 times brighter than your original halogen bulb. Almost 1:1 mini design same as halogen, perfectly fit into your housing and factory sockets without any modification, just plug and play.

  • See More 9005 LED Lights

    Halogen Lights

  • 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...

  • Premium Pick

    Philips 9005 X-tremeVision

    – Get up to 100% more vision on the road compared to a standard

    – Excellent for nighttime drivers and when often driving in rural areas or dimly lit streets

    – For maximum light output and ultimate performance.

    - Original equipment quality.

  • See More 9005 Halogen Lights

    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...

  • Best Overall

    Morimoto Elite HID Kit System

    - Genuine Morimoto Elite HID System
    - Pair of XB35 (35W) or XB55 (50W) Ballasts Based Upon Product Selections
    - Pair of High-Quality Morimoto Bulbs

  • See More 9005 Xenon HID Conversion Kit

2003 Chevrolet TrailBlazer EXT Turn Signal Rear bulb size - 3157A

2003 Chevrolet TrailBlazer EXT Glove Box bulb size - 194

2003 Chevrolet TrailBlazer EXT Map Light bulb size - 194

2003 Chevrolet TrailBlazer EXT Courtesy bulb size - 194

If you want an alternative bulb for almost any area of the motor vehicle, browse the practical chart to find out fitting 2003 Chevrolet TrailBlazer EXT bulb size. Factory headlights dim off after a while, as well as the true long life is dependent upon the modern technology employed and the caliber of the bulbs. It is a right time to consider converting to a more progressive lighting option. Our 2003 Chevrolet TrailBlazer EXT bulb chart helps detect the right bulb for any outlet of the automobile, be it headlights, fog lights, stop lights, brake lights, turn signals, and so on.

We strongly suggest replacing the worn-out factory lamps with first-rate LED counterparts as they offer a lengthier life-span, increased illumination, along with a larger choice of shades. On the other hand, aftermarket HID headlight kits are also more unique alternative letting your car stay ahead of the crowd by stressing the amazing features in the car's grill.

Keep in mind that models of exactly the same year are sold in several trims, and little variations may exist in bulb types for a similar position. To help make your way of life a little bit easier, we have carefully chosen the bulbs ideally corresponding 2003 Chevrolet TrailBlazer EXT and the best possibilities in terms of top-quality, acceptance, selling price, and life expectancy.

Chevrolet TrailBlazer EXT Bulb Chart By Years