The SEALIGHT® Scoparc SD1 Series represents the ultimate evolution in automotive lighting, specifically engineered to replace aging factory HID systems with high-performance LED technology. These D3S LED bulbs serve as a direct, reliable upgrade, offering unparalleled brightness and instant illumination for drivers who refuse to compromise on nighttime safety.









Main Features
Revolutionary Brightness and Range
Say goodbye to dim, yellowing factory lights. These D3S LED headlight bulbs utilize advanced 6030 LED chips to produce 600% more light than standard HID bulbs. With a beam that reaches over 1,000 feet, you can spot road hazards and signs much earlier, significantly reducing driving fatigue during long night hauls.
Seamless HID to LED Transition
The D3S LED HID replacement is designed for a hassle-free installation. Because it is built with a 1:1 OEM size specification, it fits perfectly within your vehicle's existing reflective bowl or projector lens. It is fully compatible with original HID ballasts, meaning you don't need to bypass the ballast or perform complex rewiring.
Instant-On Performance
Traditional HID Xenon bulbs often take several seconds to reach their full intensity. The SD1 series solves this pain point with its 0.01s instant startup. This ensures that the moment you switch on your lights, you have 100% of your D3S LED headlight bulbs' power available to light your path.
Advanced Thermal Management
Heat is the enemy of longevity. SEALIGHT integrates a 14,000 RPM high-speed silent fan with a single copper heat pipe and aerospace-grade aluminum. This triple-layer cooling system ensures the D3S LED bulbs maintain a safe operating temperature, allowing them to last for over 10 years even with daily nighttime use.
Technical Specifications
- Series: Scoparc SD1
- Bulb Size: D3S / D3R
- Brightness: 24,000 Lumens per set (12,000 Lumens per bulb)
- Power: 45W per set (22.5W per bulb)
- Color Temperature: 6000K Cool White
- Voltage: 45V (Directly connects to HID Ballast)
- Lifespan: > 50,000 Hours
- Waterproof Rating: IP68
Package Contents
- 2 × SEALIGHT SD1 D3S/D3R LED Headlight Bulbs
- 1 × Pair of Installation Gloves
- 1 × User Manual
FAQs
1. Are these D3S LED bulbs compatible with my factory ballast?
Yes, the SEALIGHT SD1 series is specifically designed for a direct connection to your vehicle's original HID ballast. There is no need for modifications or bypassing the factory system.
2. Can I use these D3S LED headlight bulbs to replace halogen bulbs?
No. These bulbs are exclusively designed to upgrade factory-equipped HID (Xenon) systems. They will not fit or function in a vehicle that originally came with halogen headlights.
3. Will these bulbs cause a "bulb out" error on my dashboard?
The SD1 series is engineered for high vehicle compatibility. However, if your vehicle has an extremely sensitive CANbus system and displays an error, SEALIGHT provides support to help resolve compatibility issues.
4. What is the difference between D3S and D1S bulbs?
While they look similar, D3S bulbs operate at a lower voltage (45V) compared to D1S bulbs (85V). You must ensure you select the correct D3S LED HID replacement to match your vehicle's factory specifications.
5. Do I need to take apart my headlight to install these?
In most vehicles, these are a simple 1:1 replacement. You typically only need to access the back of the headlight assembly, remove the old HID bulb, and plug in the new D3S LED bulbs. No bumper removal is required for most standard applications.
