2021 Chevrolet TrailBlazer Bulb Size Chart

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Fog Light Bulb Front - LED
Headlight Bulb High Beam - H9

Headlight Bulb Low Beam - 9005

Center High Mount Stop Light Bulb - LED
Turn Signal Light Bulb Front - 7440
License Plate Light Bulb - LED
Parking Light Bulb - LED
Turn Signal Light Bulb Rear - 7440
Side Marker Light Bulb Front - LED
Side Marker Light Bulb Rear - LED
Tail Light Bulb Inner - 168

Tail Light Bulb Outer - 7440
Back Up Light Bulb - 921

Glove Box Light Bulb - 168

Trunk or Cargo Area Light - 194

Dome Light Bulb - 2825

Map Light Bulb - 194

Map Light Bulb - 2825


2021 Chevrolet TrailBlazer High Beam bulb size - H9

    LED Lights

  • Trending

    Firehawk V49-H11 2021 New LED Bulbs

     Firehawk V49-H11 2021 New LED Bulbs are the brightest bulbs on the market for under $200. These new generation CSP (Chip Scale Package) LED chips to have a +500% brightness, +250% night vision, and super focused high low beam pattern, no dark spots, no shadows, and no blinding oncoming traffic....

  • Premium Pick

    Philips X-tremeUltinon gen2

    Get 250% brighter Light for superior visibility. Innovative heat management system for a longer lifetime of up to twelve years.

    It is your own responsibility to ensure that the use of the LED retrofit lights complies with applicable local Legal requirements.

  • See More H9 LED Lights

    Halogen Lights

  • Premium Pick

    PIAA 19665 H9 Xtreme White Plus

    If you’re looking for better visibility on your road, then Xtreme White Hybrid bulbs should be at the top of your list. These high-quality glasses and alloy filaments provide more contrast to what can sometimes become dim or dull light from stock lamps so that way not only do they...

  • See More H9 Halogen Lights

    Xenon HID Conversion Kit

  • Best Overall

    Morimoto Elite HID Kit System

     The Morimoto Elite Systems have earned their reputation amongst many as the aftermarket's best set of HIDs. We urge you to check out the specs below, read the reviews, and then ask yourself whether your ability to see well while driving at night is worth saving a couple of bucks....

  • See More H9 Xenon HID Conversion Kit

2021 Chevrolet TrailBlazer Low 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

2021 Chevrolet TrailBlazer Tail Light bulb size - 168

    Halogen Lights

  • Premium Pick

    PIAA Xtreme White Plus High Performance

    The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat...

  • See More 168 Halogen Lights

    LED Lights

  • Premium Pick

    Philips 168WLED Ultinon LED

    If you are looking to upgrade your style without buying a new car, replacing your interior and exterior lighting with Philips Ultinon LEDs is a smart way to spend your money. Philips Ultinon LED lights are a direct replacement for conventional bulbs. They’re easy to install and available for a...

  • Best Choice for 2021 Chevrolet TrailBlazer

    SYLVANIA 168 T10 W5W White LED Bulb

    – Withstands road shock and vibration for optimal performance

    – LED bulb fits and installs the same as your old bulb

    – White LED bulb, ideal for interior lighting for map, dome, trunk, cargo, and license plate

  • See More 168 LED Lights

2021 Chevrolet TrailBlazer bulb size - 921

    LED Lights

  • 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...

  • Popular

    AUXITO LED High Power 2835 15-SMD Chipsets

    – Energy-Saving, low power consumption for longer life span.
    – Suit for Socket: T15, 912, 921, 906, 904, 902, 922, W16W, just plug and play without modification. ONLY used for backup reverse lights
    – 6W per bulb, 12-16V Wide voltage, 500Ma current
    – 300% Brighter: Each bulb has 15 pieces high...

  • See More 921 LED Lights

2021 Chevrolet TrailBlazer Glove Box bulb size - 168

    Halogen Lights

  • Premium Pick

    PIAA Xtreme White Plus High Performance

    The Xtreme White Plus Series of high output replacement bulbs give drivers better color recognition, depth perception, and improved contrast over stock halogen bulbs, all while meeting DOT specification. Xtreme White Plus bulbs feature a crisp white light output that allows for better road illumination, while a blue top coat...

  • See More 168 Halogen Lights

    LED Lights

  • Premium Pick

    Philips 168WLED Ultinon LED

    If you are looking to upgrade your style without buying a new car, replacing your interior and exterior lighting with Philips Ultinon LEDs is a smart way to spend your money. Philips Ultinon LED lights are a direct replacement for conventional bulbs. They’re easy to install and available for a...

  • Best Choice for 2021 Chevrolet TrailBlazer

    SYLVANIA 168 T10 W5W White LED Bulb

    – Withstands road shock and vibration for optimal performance

    – LED bulb fits and installs the same as your old bulb

    – White LED bulb, ideal for interior lighting for map, dome, trunk, cargo, and license plate

  • See More 168 LED Lights

2021 Chevrolet TrailBlazer Trunk Area bulb size - 194

2021 Chevrolet TrailBlazer Dome Light 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

2021 Chevrolet TrailBlazer Map Light bulb size - 194

2021 Chevrolet TrailBlazer Map Light 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

If you need an alternative bulb for almost any socket of your motor vehicle, look into the specialized list to obtain the appropriate 2021 Chevrolet TrailBlazer bulb size. Production line headlights dim off as time passes, and also the real long life is dependent upon the modern technology applied and the standard of the bulbs. This is an excellent time to take into account converting to a more advanced lighting solution. Our 2021 Chevrolet TrailBlazer bulb chart helps identify the right bulb for almost any outlet of your respective car, be it headlights, fog lights, stop lights, brake lights, turn signals, etc.

When your 2021 Chevrolet Traverse bulbs are working properly, they're an important safety feature that allows you to see everything in front of the car clearly. The other drivers around also have a better chance at seeing what's coming towards them thanks largely because their lights shine bright enough for all parties involved! If something seems off with these crucial pieces (like if there start showing any signs), get it looked after straight away; accidents often happen when people don't pay attention to the status of their lights and/or they're not visible to others.

If you notice that one of your headlights is out, make sure to get it fixed as soon as possible. Driving without a headlight is illegal in most states, so you could get pulled over if you're caught. Not to mention, it's also incredibly dangerous. You won't be able to see as well at night, and other drivers may have a hard time seeing you. This increases the risk of an accident, so it's not worth taking the chance.

We strongly recommend exchanging the used authentic lamps with first-rate LED alternatives as they boast a lengthier lifespan, improved brightness, and a bigger collection of temperatures. However, custom HID headlight systems are even much more unique options making your vehicle stand out from the average vehicles on the road by underlining the amazing traits of the car's face.

Remember that vehicles of the same production year are sold in a variety of trims, and small differences may happen in bulb types for the same placement. To make your daily life a little less difficult, we have carefully selected the bulbs ideally matching the 2021 Chevrolet TrailBlazer and the most efficient alternatives when it comes to high quality, popularity, price, and lifespan.

Chevrolet TrailBlazer Bulb Chart By Years