✨ CHUSYYRAY K9 Series: Ultimate High-Performance H4 LED Headlight Bulbs ✨
Experience a new level of nighttime clarity and safety with the CHUSYYRAY K9 Series H4 LED bulbs. Engineered for superior performance, these bulbs deliver extreme brightness, exceptional durability, and effortless installation, making them the perfect upgrade to replace dim, outdated halogen headlights.
🎯 Key Features & Benefits
✅ Extreme Brightness & Optimal Beam Pattern:​ Equipped with 72 high-luminance COB LED chips​ arranged on 4 sides for true 360° illumination. This advanced design eliminates dark spots and creates a high-density, focused beam​ for optimal road coverage.
✅ Unmatched Long-Range Vision:​ Experience dramatically improved visibility with an approximate low beam distance of 80-100 meters​ and a powerful high beam reach of 200-250 meters. The crisp 6500K pure white light​ enhances contrast and reduces eye strain.
✅ Revolutionary Triple Cooling System:​ Built to last with our proprietary 3-in-1 cooling technology: a high-density mesh heat sink, a high-speed cooling fan, and a premium 6063 aviation-grade aluminum body. This synergy extends the lifespan to over 50,000 hours​ by maintaining optimal operating temperatures.
✅ Rugged & Weatherproof Construction:​ Featuring an IP67 waterproof and dustproof rating, these bulbs are designed to withstand the harshest conditions, from -40℃ to +80℃, ensuring reliable performance in rain, snow, and extreme temperatures.
✅ True Plug & Play Installation:​ Designed as a direct replacement​ for halogen H4/HB2/9003 bulbs. The built-in CANBUS decoder chip​ prevents error messages on most vehicles. No modifications or extra wiring needed—simply plug and play.
 
📊 CHUSYYRAY K9 Series Technical Specifications
  • Bulb Type:​ H4 / HB2 / 9003 (Dual Beam High/Low)
  • Light Source:​ 4-Side COB LED (72 Chips Total)
  • Luminous Flux:​ 10,000 LM per Bulb​ (20,000 LM per pair)
  • Power Consumption:​ 100W per Bulb​ (High-Output Design)
  • Light Color:​ 6500K Pure White
  • Beam Distance (Approx.):​ Low Beam: 80-100m / High Beam: 200-250m
  • Beam Angle:​ 360 Degrees
  • Heat Dissipation:​ Triple Cooling System (Mesh + Fan + 6063 Aviation Aluminum)
  • Water & Dust Proof:​ IP67 Rated
  • Operating Voltage:​ 12V DC
  • Operating Temperature:​ -40℃ to +80℃
  • Lifespan:​ >50,000 Hours
  • Housing Material:​ Aviation Aluminum Alloy + ABS
 
📦 Package Includes
  • 2x H4/HB2/9003 LED Headlight Bulbs (Note: Brand packaging randomly sent)
 
⚠️ Crucial Fitment & Installation Notes (Read Before Buying!)
  • This is a universal upgrade bulb designed to fit vehicles that use a standard H4/HB2/9003 headlight socket.
  • Compatibility is based on BULB SIZE, not vehicle model.​ You MUST​ verify your vehicle's current headlight bulb size before purchasing.
  • How to Check:​ The safest method is to remove your existing headlight bulb​ and check for the marking (e.g., "H4", "9003") on its base. You can also consult your vehicle's owner's manual.
  • Space Check Recommended:​ Due to the integrated fan and heat sink, please ensure there is sufficient depth and space behind your headlight housing​ for installation. Some compact housings may not accommodate all aftermarket LED bulbs.
  • Professional installation is recommended​ if you are not familiar with vehicle lighting systems.
 
🚗 General Vehicle Application
This product is a direct replacement bulb​ suitable for many vehicles on the market that utilize an H4/HB2/9003 socket for their headlights, including but not limited to various:
  • Sedans, SUVs, Pickup Trucks, Vans
  • Please use the compatibility check method above​ as the primary guide.
 
🛡️ CHUSYYRAY Commitment to Quality
We are confident in the performance and build quality of our K9 Series. For any pre-purchase questions regarding fitment or installation, please contact us with your vehicle's make and model. Our customer support team is here to help.
 
 

On Feb 1, 2026 at 22:29:25 PST, seller added the following information:

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