---
product_id: 649379019
title: "SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2"
brand: "sealight"
price: "662.63 DT"
currency: TND
in_stock: true
category: "Sealight"
url: https://www.desertcart.tn/products/649379019-sealight-d4s-led-bulbs-6000k-cool-white-for-hid-assembly
store_origin: TN
region: Tunisia
---

# 14,000RPM cooling fan for heat dissipation 6X brightness with 30 LED beads 0.01s instant startup speed SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2

**Brand:** sealight
**Price:** 662.63 DT
**Availability:** ✅ In Stock

## Summary

> 🚗 Light Up Your Night, Lead the Pack!

## Quick Answers

- **What is this?** SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2 by sealight
- **How much does it cost?** 662.63 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/649379019-sealight-d4s-led-bulbs-6000k-cool-white-for-hid-assembly)

## Best For

- sealight enthusiasts

## Why This Product

- Trusted sealight brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Illuminate Like a Pro:** Experience 6X brighter, 6000K cool white light with 30 advanced LED beads for crystal-clear night vision up to 1000FT.
- • **Stay Cool, Drive Longer:** Built-in 14,000RPM high-speed cooling fan plus aerospace-grade aluminum housing ensures a 50,000-hour lifespan—over 10 years of reliable use.
- • **Zero Delay, Maximum Safety:** Instant 0.01-second startup means no waiting—your headlights reach full brightness the moment you need them.
- • **Customizable Beam Precision:** 360° rotatable rings let you fine-tune your light pattern for perfect road coverage without blinding oncoming traffic.
- • **Perfect Fit, Hassle-Free Upgrade:** Designed specifically for D4S/D4R HID assemblies—easy installation with precise positioning rings for optimal performance.

## Overview

The SEALIGHT D4S LED Bulbs deliver ultra-bright 6000K cool white light with 30 premium LED beads, enhanced by a 14,000RPM cooling fan and aerospace-grade materials for a 50,000-hour lifespan. With instant 0.01s startup and adjustable beam patterns, these bulbs offer a safer, sharper driving experience tailored for D4S/D4R HID assemblies.

## Description

Buy SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2: Headlight Bulbs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 6X Brightness: The 2024 upgraded 6030 chip with 30pcs lamp beads, provide 600 times brightness has 1000FT irradiation distance at least, which that ensure safer driving at night.
- 50000hrs lifespan: Heat dissipation determines lifespan, sealight hid d4s d4r bulbs with 14,000RPM high-speed cooling fan, top-grade space aluminum housing,and copper tube, let the bulb quickly cool down as it works. 50000hrs can use it for 10+ years. (althrough drive 10hrs every night)
- 0.01s Start Up: Straight-through current design support to 0.01s speed to start up the light to its brightest level, no delay. In addition, Sealight d4s hid replace-ment bulbs equipped with a precise positioning ring, cause the d2s bulb is in the best position in the reflective bowl.
- Perfect Light Pattern：Sealight d4s hid bulb is the perfect choice for anyone looking to upgrade their car lighting. Its 360° rotatable rings allow you to adjust the light pattern to suit your needs, while its clear beam cutoff ensures that oncoming traffic is not dazzled and that you can drive safely at night.
- Guide for Fitment: Enter your car vehicle information（make,year and model) to confirm the fitment. Notice: Sealight car bulb for hid is only fit for upgrading d4s/d4r hid bulb, not for halogen bulb even if shows "fit"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D4TXDWCM |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,545,159 in Automotive ( See Top 100 in Automotive ) #4,525 in Automotive Headlight Bulbs |
| Brand | SEALIGHT |
| Brand Name | SEALIGHT |
| Color Temperature | 6000 Kelvin |
| Customer Reviews | 5.0 out of 5 stars 5 Reviews |
| Fit Type | Vehicle Specific Fit |
| Global Trade Identification Number | 06976973826708 |
| Included Components | HID Bulbs |
| Item Package Quantity | 1 |
| Item Type Name | HID bulbs |
| Light Source Type | Xenon |
| Manufacturer | SEALIGHT |
| Manufacturer Part Number | 9617LHB5366US |
| Manufacturer Warranty Description | 2 Year Manufacturer |
| Model Number | SD1 Series |
| Operating Life | 50000 Hours |
| Package Quantity | 1 |
| Unit Count | 2.0 Count |

## Product Details

- **Brand:** SEALIGHT
- **Light Source Type:** Xenon
- **Color Temperature:** 6000 Kelvin
- **Item Package Quantity:** 1
- **Fit Type:** Vehicle Specific Fit

## Images

![SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2 - Image 1](https://m.media-amazon.com/images/I/811DAytFbzL.jpg)
![SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2 - Image 2](https://m.media-amazon.com/images/I/71va420IdoL.jpg)
![SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2 - Image 3](https://m.media-amazon.com/images/I/71c5uIouhUL.jpg)
![SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2 - Image 4](https://m.media-amazon.com/images/I/71MiHtYj-kL.jpg)
![SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2 - Image 5](https://m.media-amazon.com/images/I/615sg7pfvIL.jpg)

## Questions & Answers

**Q: The fitment system says the bulb fits my car, why the lights are not fit actually?**
A: The same vehicle model may have more than 2 h-e-adlight configurations, our light may only fit one of them. Read the Note carefully to check which assembly fits this light before you buy. Or you can directly contact our support team for help.

**Q: What I have is aftermarket h-e-adl-ight assembly, can I follow the Fitment system to select lights?**
A: No. Our Fitment system can only make sure the matching the original assembly. Aftermarket assembly may be different with the original one.

**Q: Why the bulbs doesn’t work suddenly after a short period of using?**
A: (Method: Check the applicable HID bulb models on the original car ballast). Incompatible ballast may cause the bulbs out. If your bulbs doesn’t work within 3 months, check whether the ballast’s type is fitted

## Frequently Bought Together

- SEALIGHT D4S LED Bulbs, 6000K Cool White for HID Assembly, HID Bulbs Replace 66440 42402 42402WX (‎42402C1) with 14000RPM Cooling Fan Fog Light Bulbs, Pack of 2
- SEALIGHT 9006 Fog Lights LED Bulb, 9006 Hb4 LED Fog Light Bulbs 1:1 Size 9006 Bulb Plug And Play, 6000k Xenon White Light Pattern, Pack of 2
- SEALIGHT 194 LED Bulb 6000K White, License Plate Light, Dome Light, T10 168 2825 W5W 3030 Bright Chips Wedge for Replacement Light Bulb, Map Trunk Door Courtesy Dash LED Light Bulb,Pack of 10

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/649379019-sealight-d4s-led-bulbs-6000k-cool-white-for-hid-assembly](https://www.desertcart.tn/products/649379019-sealight-d4s-led-bulbs-6000k-cool-white-for-hid-assembly)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-22*