Chevrolet TrailBlazer 2003 Bulb Size

Bulb size chart

880 Bulbs

Used for: Fog Light Bulb Front

View all 11 replacement options for size 880 →

9005 Bulbs

Used for: Headlight Bulb High Beam, Daytime Running Light Bulb

View all 30 replacement options for size 9005 →

3157 Bulbs

Used for: Back Up Reverse Light Bulb, Turn Signal Light Bulb Rear

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Turn Signal)

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Tur...

Product benefits and features: Each bulb is quipped with 39pcs high power and high illumination 2835 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Equipped with projector-lens for fully 360° light output. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for replacing back-up reverse lights, turn signal lights, brake tail lights, daytime running lights(DRL) lamps.

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KAKEMONO 3157 LED Amber Yellow Light Bulb

KAKEMONO 3157 LED Amber Yellow Light Bulb

Improve your car's lighting with the brilliant combination of brightness, energy efficiency, and broad compatibility offered by KAKEMONO BrightBeam 3157 LED Amber Yellow Bulbs. Built for multiple functions, these bulbs perform expertly to promise safety and style in each ride. BrightBeam LED bulbs are good for brake lights, turn signals, reverse lights, tail lights, and much more. Amber yellow in color and with a bright 400 lumens output, it gives better visibility and makes your vehicle more noticeable to others to improve safety on the road. Replacing traditional 40W halogen bulbs, these 4W LED bulbs reduce power consumption by a large margin while keeping very good brightness. Ceramic and aluminum housing allows for efficient heat dissipation, contributing to a longer lifespan and consistent performance over time. With a wide voltage input range of AC10-18V/DC10-30V, they are stable and work well on different vehicle models. They boast a 360° beam angle with no dark spots, providing super uniform light distribution. Plug-and-play installation, besides, makes upgrading your lighting a breeze. Note that some vehicles may require a load resistor to prevent hyper-flashing or dashboard error codes.

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View all 12 replacement options for size 3157 →

3157R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

View all 13 replacement options for size 3157R →

2825 Bulbs

Used for: License Plate Light Bulb

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: License Plate Light Bulb

View all 10 replacement options for size 98 →

3757A Bulbs

Used for: Parking Light Bulb, Turn Signal Light Bulb Front

View all 10 replacement options for size 3757A →

194NA Bulbs

Used for: Side Marker Light Bulb Front

Marsauto 194 LED Light Bulbs Amber Yellow

Marsauto 194 LED Light Bulbs Amber Yellow

Introducing the Marsauto 194 LED Light Bulbs in Amber Yellow, the perfect lighting solution for your car's various applications. With their impressive brightness and ease of installation, these bulbs will stay with you all the time, providing enhanced visibility and style.Experience a super bright light output with the Marsauto 194 LED Light Bulbs. With 200 lumens of brightness, these bulbs ensure excellent visibility in a variety of applications. Whether you need them for map lights, dome lights, license plate lights, dashboard instruments, trunk lights, or courtesy lights, these bulbs will illuminate your vehicle with a vibrant amber yellow glow. Installation is a breeze with the Marsauto 194 LED Light Bulbs. With their user-friendly design, you can easily install them in just 3 minutes. Simply remove your old bulbs and replace them with the Marsauto LEDs for an instant upgrade. There's no need for complex wiring or modifications – it's a hassle-free process that anyone can do. The Marsauto 194 LED Light Bulbs will stay with you all the time, providing reliable and long-lasting performance. Whether you're driving during the day or night, these bulbs will consistently deliver the illumination you need. You can count on them to enhance your visibility and add a touch of style to your vehicle's interior and exterior lighting. Upgrade your car's lighting system with the Marsauto 194 LED Light Bulbs in Amber Yellow and enjoy enhanced brightness, easy installation, and versatile applications. With their super bright light output, quick installation, and compatibility with various car lighting functions, these bulbs are the perfect choice for improving your driving experience. Trust Marsauto for high-quality lighting solutions that will exceed your expectations.

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Alla Lightning 194NA LED Amber Bulbs

Alla Lightning 194NA LED Amber Bulbs

Each bulb is quipped with 18pcs high power and high illumination 3014 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Each bulb is about 240 lumens, fully 360° light output. More than 400% brighter than stock lamps. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for license plate lights, side marker lights, parking lights, interior map, dome, trunk, door courtesy, stepwell lights lamps.

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View all 12 replacement options for size 194NA →

194 Bulbs

Used for: Courtesy Light Bulb, Glove Box Light Bulb, Map Light Bulb

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: Courtesy Light Bulb, Glove Box Light Bulb, Map Light Bulb

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

The KATUR T20 White/Amber Switchback LED Light Bulbs (7441) are a great upgrade for your vehicle's lighting. These energy-efficient bulbs have a 12V operating voltage and are designed to last 50,000 hours, 50 times longer than traditional incandescent bulbs. The single-contact 7440 LED light bulb replaces most auto car incandescents and is well-matched with the original incandescent lights. The easy plug-and-play installation means you just have to plug it into the socket, and flip the bulb horizontally if it does not light up to match the + and - polarity. With 42 2835 SMD LED lights, this bulb provides bright and versatile white/amber switchback lighting. It is CE/RoHS compliant, ensuring high standards and quality. Choose the KATUR T20 White/Amber Switchback LED Light Bulbs for a longer-lasting and more versatile lighting solution.

$17.99

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View all 13 replacement options for size 7441 →

212-2 Bulbs

Used for: Dome Light Bulb, Trunk or Cargo Area Light

View all 11 replacement options for size 212-2 →

37 Bulbs

Used for: Vanity Mirror Light Bulb

View all 12 replacement options for size 37 →

This page helps you verify the bulb sizes for the 2003 Chevrolet TrailBlazer by lighting position, so you can match the correct replacement to each lamp on the vehicle. Whether you are replacing a burned-out exterior bulb or refreshing an interior light, checking the exact location first can save time and prevent ordering the wrong part.

The 2003 TrailBlazer uses a mix of common halogen and small interior bulbs, and some positions may vary by trim, market, or lighting package. Use the bulb chart on this page to confirm the fit for headlights, turn signals, brake lights, cargo lamps, and other locations before you buy.

Fitment can differ between trims and equipment groups, so it is smart to compare the bulb listed for your specific TrailBlazer with the bulb already installed in the vehicle. Some owners choose LED replacements for brighter output or longer life, but aftermarket LED conversions may change beam pattern, bulb color, or warning behavior depending on the lamp position. If you are upgrading from halogen to LED, make sure the bulb is compatible with the housing and socket, and always check the installed bulb before purchase when possible, especially for positions that can vary by package or market.

FAQ

What bulb does the 2003 Chevrolet TrailBlazer use for the high beam headlight?

The high beam headlight bulb listed for the 2003 Chevrolet TrailBlazer is 9005.

What is the daytime running light bulb size on this TrailBlazer?

The daytime running light bulb size listed is 9005.

Which bulb fits the front turn signal and parking light?

The front turn signal light bulb and the parking light bulb are both listed as 3757A.

What bulb is used for the rear turn signal on the 2003 TrailBlazer?

The rear turn signal light bulb is listed as 3157.

What bulb fits the brake light and tail light?

Both the brake light bulb and the tail light bulb are listed as 3157R.

What bulb is used for the back up reverse light?

The back up reverse light bulb is listed as 3157.

What bulb fits the front side marker light?

The front side marker light bulb is listed as 194NA.

What bulb is used for the license plate light?

The license plate light bulb is listed as 2825 or 98.

What bulb fits the dome light and cargo area light?

The dome light bulb and the trunk or cargo area light are both listed as 212-2.

What bulb is used for the glove box, map, and courtesy lights?

The glove box light bulb, map light bulb, and courtesy light bulb are listed as 194 or 7441.

What bulb fits the vanity mirror light?

The vanity mirror light bulb is listed as 37.

What bulb is used for the front fog light?

The front fog light bulb is listed as 880.

Does the center high mount stop light use a standard bulb?

The center high mount stop light bulb is listed as LED, so it is not shown as a standard halogen bulb on this page.

Can trim or body style change the bulb fitment on a 2003 TrailBlazer?

Yes. Trim and lighting package can vary by market and body style, so it is best to confirm the bulb position against your vehicle before ordering.

Chevrolet TrailBlazer Bulb Size by Year