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GMC H3/H3LL LED Fog Light Bulbs - 6500K Plug & Play
Replace a dim or failed H3 fog light bulb with a compatible SEALIGHT LED upgrade. Designed for compatible cars, trucks, and SUVs, these compact H3 LED bulbs provide bright 6500K white illumination, a focused beam, and straightforward plug-and-play installation. Compare brightness, wattage, and weather protection below, then use the vehicle fitment tool to confirm the correct fog light bulb for your vehicle.
- Color: Cool White
- Color Temperature: 6500K
- Wattage: 30W/Pair
- Color: White
- Color Temperature: 6500K
- Wattage: 60W
- Color: White
- Color Temperature: 6500K
- Wattage: 30W
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H3/H3ll LED Fog Light Bulbs Buying Guide
What Is an H3 Fog Light Bulb?
An H3 fog light bulb is a single-filament automotive bulb used in selected fog light and auxiliary lighting positions. A conventional H3 halogen bulb is commonly rated at 12V and 55W and uses a PK22s base with a short wiring lead.
H3LL is the long-life version of a standard H3 bulb. It uses the same H3 shape, PK22s base, and mounting design, while LL stands for Long Life. Because H3 bulbs are available in different voltage and wattage versions, always check the original bulb specifications or use the vehicle bulb finder to confirm the correct replacement.
If the original bulb is not marked H3, shop by its exact number. Other common fog light sizes include H10/9145/9140, 5202/5201, and 2504/PSX24W.
H3 LED vs. Halogen Fog Light Bulbs
Replacing a 55W H3 halogen bulb with an LED does not mean the new bulb must also consume 55 watts. Halogen bulbs create light by heating a filament, while LEDs use electrical power more efficiently. Wattage describes power consumption, so it should not be used as the only measure of brightness.
When comparing H3 LED fog light bulbs, consider usable output, LED placement, and beam distribution as well as lumens. A high lumen rating will not improve visibility if much of the light is scattered. A well-designed LED bulb places its light source close to the original filament position, helping the fog lamp direct more light toward the intended area.
How to Choose the Right H3 LED Fog Light Bulb
Start with fitment, then compare output, color temperature, installation dimensions, and weather protection. Consider the following factors before choosing an H3 LED bulb:
- Vehicle fitment: Confirm that your vehicle uses H3 or H3LL in the fog light position. Bulb size can change by model year, trim, and factory lighting package.
- Beam performance: Consider how well the bulb positions and distributes its light instead of selecting a product by lumen rating alone.
- Color temperature: The products in this collection produce 6500K cool white light for a crisp, modern appearance.
- Installation clearance: A compact bulb is easier to fit when space behind the fog light position is limited.
- Weather protection: Choose a sealed bulb that can withstand water, road spray, dust, and changing temperatures. Depending on the model, SEALIGHT H3 bulbs in this collection carry an IP67 or IP68 rating.
H3 Fog Light Replacement: Fitment, Wiring and Installation
Before replacing an H3 fog light bulb, switch off the lights and allow the original halogen bulb to cool. Remove it carefully, then compare its base, wiring lead, and retaining system with the new LED bulb before installation.
SEALIGHT H3 LED bulbs are designed for straightforward installation in compatible vehicles. Most SEALIGHT LED bulb packages include a decoder to support normal operation with the vehicle’s electrical system. However, compatibility can vary, and some vehicles may still experience flickering, dashboard warnings, or bulbs that do not turn on.
If a decoding issue occurs, contact SEALIGHT customer service for troubleshooting and a compatible decoder at no additional cost. Some vehicles may also require a model-specific adapter or polarity adjustment.
Always confirm the vehicle year, make, model, trim, and lighting position before ordering. Similar-looking bulbs are not necessarily interchangeable, and forcing an incorrect base or connector may damage the bulb or factory wiring.
Why Choose SEALIGHT H3/H3LL LED Bulbs?
SEALIGHT H3/H3LL LED fog light bulbs are designed to make upgrading compatible factory halogen bulbs simple and dependable.
- Bright 6500K white light: Provides a crisp, modern appearance with LED placement designed to support focused illumination.
- Compact, plug-and-play design: Fits compatible H3/H3LL fog light positions without complicated wiring or modifications.
- Built for road conditions: Weather-resistant construction helps protect the bulbs from water, dust, and road spray.
- Decoder support: Most packages include a decoder. If a compatibility issue occurs, contact SEALIGHT customer service for a compatible decoder at no additional cost.
- Vehicle fitment assistance: Use the vehicle bulb finder or contact customer service to confirm the correct bulb before ordering.
- Convenient ordering: Enjoy free shipping within the continental United States and 90-day easy returns.
FAQs
Yes. H3LL is the long-life version of a standard H3 bulb. It uses the same H3 shape, PK22s base, and mounting design; “LL” simply stands for “Long Life”. A vehicle that specifies H3LL can generally use a compatible H3 replacement. However, always match the required voltage and wattage and confirm vehicle fitment before ordering.
Yes, provided the LED bulb matches the original H3 fog light application. The LED replacement does not need to consume 55 watts because LED and halogen bulbs use power differently.
Usually not. SEALIGHT H3 LED fog bulbs are designed for plug-and-play installation, and most packages include a decoder. Some vehicles may still require a model-specific adapter or polarity adjustment. If you experience flickering, a dashboard warning, or a bulb that does not turn on, contact SEALIGHT customer service for troubleshooting and a compatible decoder at no additional cost.
Disconnect the original bulb, release the retaining clip, and install the new bulb in the same position. Access and installation steps vary by vehicle, so consult the owner's manual when necessary.
H3 fog light bulbs are available in different colors, but the products on this page produce 6500K white light. This collection does not currently include a yellow H3 option. If your vehicle uses another bulb size, browse all LED fog light bulbs to compare the available white and yellow products.