1. Introduction
Thank you for choosing SEALIGHT H8/H11 LED Fog Light Bulbs. These bulbs are designed to provide superior illumination for your vehicle, enhancing visibility and driving safety. Featuring 30,000 lumens of brightness and a 6500K cool white light, they offer a significant upgrade over traditional halogen bulbs. This manual provides essential information for proper installation, operation, and maintenance.
2. Safety Information
- Always wear protective gloves and eyewear during installation.
- Ensure the vehicle's engine is off and the battery is disconnected before beginning installation to prevent electrical shock.
- Avoid touching the LED chips directly, as oils from your skin can reduce their lifespan.
- Keep bulbs away from children and pets.
- Do not disassemble or modify the bulbs. Unauthorized modifications can void the warranty and pose safety risks.
- Verify that the bulb type (H8/H11) is compatible with your vehicle's fog light housing before installation. Refer to your vehicle's owner's manual or a reliable online fitment guide.
3. Package Contents
The SEALIGHT H8/H11 LED Fog Light Bulbs package includes:
- 2 x SEALIGHT H8/H11 LED Fog Light Bulbs
4. Setup and Installation
The SEALIGHT H8/H11 LED Fog Light Bulbs are designed for a straightforward, plug-and-play installation process, typically taking around 5 minutes per bulb. No external drivers or modifications are generally required due to their compact 1:1 size matching original equipment manufacturer (OEM) specifications.
4.1 Identifying Your Bulb Type
Before installation, confirm your vehicle's bulb type. You can:
- Check the bulb fitment guide on the product page.
- Search online for your vehicle's automotive bulb type.
- Inspect your original halogen bulb for markings (e.g., H8, H11).

Image: Methods for identifying your vehicle's bulb type.
4.2 Installation Steps
Follow these general steps for installation:
- Access the Bulb: Locate your vehicle's fog light housing. Depending on your vehicle model, you may need to remove splash guards, wheel well liners, or other components to access the bulb.
- Remove Old Bulb: Disconnect the electrical connector from the old bulb. Then, unclip or twist the old bulb to remove it from the housing.
- Insert New LED Bulb: Carefully insert the SEALIGHT LED bulb into the housing. Ensure it is properly seated.
- Secure the Bulb: Rotate the LED bulb to secure it in place. The 1:1 design ensures a precise fit.
- Connect Electrical Connector: Reconnect the electrical connector to the new LED bulb.
- Test Functionality: Before reassembling any removed components, turn on your vehicle's fog lights to ensure the new bulbs are functioning correctly.

Image: Simplified 2-step installation process for SEALIGHT LED bulbs.
Installation Video: X5 Series LED Headlights
Video: This video demonstrates the installation process for SEALIGHT X5 series LED headlights, which is similar to the H8/H11 fog light bulbs. It shows how to remove the old bulb and insert the new LED bulb into the housing.
5. Operating Instructions
Once installed, your SEALIGHT H8/H11 LED Fog Light Bulbs operate like your vehicle's original fog lights. Simply activate your fog lights using your vehicle's standard controls.
5.1 Enhanced Visibility
These bulbs provide 30,000 lumens of brightness, offering up to 8 times more light than standard halogen bulbs and visibility up to 1,800 feet. The 6500K cool white light significantly improves night vision and clarity, reducing eye strain during extended driving.

Image: Comparison of light output between a stock bulb and a SEALIGHT LED bulb, demonstrating superior brightness and reach.
5.2 Optimal Beam Pattern
The 1:1 OEM design, combined with an ultra-thin chip copper plate, ensures a precise beam pattern. This design minimizes dark spots and glare, preventing blinding of oncoming traffic and improving overall road safety.
Product Video: SEALIGHT Fog Light Overview
Video: This video provides an overview of SEALIGHT fog lights, showcasing their brightness and beam pattern in various driving conditions.
6. Maintenance
SEALIGHT H8/H11 LED Fog Light Bulbs are designed for long-term, low-maintenance performance.
6.1 Cooling System and Lifespan
Equipped with a 15,000 RPM turbo-cooling fan and aviation-grade aluminum heat dissipation technology, these bulbs maintain a stable operating temperature. This advanced cooling system contributes to an extended lifespan of up to 60,000 hours, which is approximately 10 times longer than traditional halogen bulbs.

Image: Internal components of the LED bulb's cooling system, including the fan, copper plate, and aluminum body.
6.2 Durability and Weather Resistance
The bulbs feature an IP68 waterproof rating, making them resistant to dust, rain, snow, and fog. This ensures reliable performance in various weather conditions.

Image: The LED bulb's IP68 waterproof design ensures performance in severe weather.
7. Troubleshooting
If you encounter issues with your SEALIGHT LED Fog Light Bulbs, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb not lighting up | Incorrect connection, loose wiring, polarity issue, faulty bulb. | Check all connections for secure fit. Ensure correct polarity (some vehicles may require flipping the connector). Test the bulb in another working socket if available. |
| Flickering or error warning on dashboard | CANbus incompatibility with vehicle's electrical system. | While SEALIGHT bulbs are CANbus ready for 99% of vehicles, some sensitive systems may require an additional CANbus decoder. Contact SEALIGHT customer support for assistance. |
| Dim light or inconsistent brightness | Improper installation, power supply issue, faulty bulb. | Ensure the bulb is fully seated and locked into the housing. Check vehicle's electrical system for stable voltage. |
| Beam pattern issues (dark spots, excessive glare) | Improper bulb orientation or seating. | Re-seat the bulb and ensure it is correctly oriented within the housing. The 1:1 design aims for an optimal beam pattern. |
If you experience persistent issues not covered here, please contact SEALIGHT customer support for further assistance.

Image: The internal drive of SEALIGHT bulbs is designed to prevent errors and flickering, though some vehicles may require an additional decoder.
8. Specifications
| Feature | Detail |
|---|---|
| Model | H8/H11 (SEALIGHT S6 Series Fog Bulbs) |
| Brightness | 30,000 Lumens (per pair) |
| Color Temperature | 6500K Cool White |
| Visibility Distance | Up to 1,800 feet |
| Lifespan | Up to 60,000 hours |
| Cooling System | 15,000 RPM Turbo-cooling fan, Aviation-grade Aluminum Heat Dissipation, Copper Plate |
| Waterproof Rating | IP68 |
| Design | 1:1 OEM Mini Size, Plug-and-Play |
| Compatibility | 99% Vehicle Compatibility (CANbus ready) |
| Item Weight | 9.1 ounces |
| Manufacturer Part Number | 6897LHB341ZUS |
9. Warranty and Support
SEALIGHT is committed to providing high-quality products and customer satisfaction. These LED fog light bulbs typically come with a 3-year warranty, ensuring peace of mind regarding your purchase.
For any questions, technical support, or warranty claims, please contact SEALIGHT customer service through the retailer where you purchased the product or visit the official SEALIGHT website for contact information.


Images: SEALIGHT offers premium customer service and professional technical support.






