3800 Lumen H4  LED Headlight bulb

3800 Lumen H4 LED Headlight bulb

45 Review(s)
Price: $64.95
In Stock
Part Number:CIL-LEDMD-H4

Choose Options

Rectifier for dirt bikes/snowmobiles
Rectifier for AC powered dirtbikes,quads and snowmobiles [+$19.95]
Honda ST1300?
Is this bulb for a Honda ST [+$2.50]

Simply the brightest, smallest, most reliable H4 replacement LED light available! Get HID performance with the benefits of LED. Cyclops 6th Generation LED Bulbs are now shipping, updated for 2016.

6th Generation Improvements:
- New Shield for the best low beam cutoff on the market.
- Brighter / Better Low/High Beam Contrast
- Lower Kelvin Color
- Reduced Size
- Smaller, Replaceable Drivers, this means if the bulb is out of warranty and there is an issue, parts are available, the only LED bulb on the market to offer parts.
- Simplified Installation
- Enhanced Reliability

Don't be fooled by poor quality impostors. This is the best H4 LED headlight and only available from Cyclops and our select partners.

Product Overview:
- Cree XML2 Emitters all emitters fire on High Beam!
- High & Low Beam Modes
- Fan Cooled for Extreme Conditions and Long Life. A fan is a must for any quality LED Bulb.
- Compatible with H4 Motorcycle and Automotive Headlights
- Spacers Included for Low Beam Cutoff Adjustment.
- No External Ballast or Boxes to Mount
- Vibration proof
- Water resistant

Technical Specs:
- Lumen Rating: 4400 (RAW)  This is a single bulb, don't be fooled by those adding two bulbs together for their lumen rating.
- Color Temperature 5500K
- Power Draw: 20 Watts on Low / 40 Watts on High
- Emitters Lifespan: 30,000 hours
(Do not expect this bulb to last longer than your vehicle)
- 12 Month Warranty

DC Voltage Only
If you have AC powered headlights, you will also need the optional rectifier shown (see product options to add one). Most street legal bikes are DC powered, exceptions being the KTM EXC 250/525/530 carburetor equipped bikes and most other dirt-based dual sport bikes. The WR250r is a DC powered bike.

Dirt Bikes
Please note that for dirt bikes we strongly recommend our 3600 Lumen version as it creates a better beam pattern during off road use.

5 Stars
Big Upgrade
Installed on 1997 BMW R1100GS. the BMW doesn't use the standard H4 style clip, so a little more retrofitting was needed. Once everything was installed and wired up, no headlight adjustment was needed. The light output is fantastic and the color spectrum is great. Well worth the time and money.
Reviewed by:  from Turlock,CA. on 11/2/2015
5 Stars
Crazy bright
This light is unbelievable. It is so bright. Installation took 30 minutes on a with very little modification.
Reviewed by:  from Shreveport. on 7/27/2016
5 Stars
Great product
Installed on my 2005 screamin'eagle electra-glide. Easy, no issues. The boot had to be discarded. The improvement in visibility is huge, especially the high beam. Lights up far ahead plus the sides of the road. This is a fantastic product. Highly recommended.
Reviewed by:  from Athens, Ga.. on 5/7/2016
5 Stars
Excellent Bulb would recommend.
An excellent upgrade to any bike. Very easy install, and light output greatly increased.
Reviewed by:  from Scotland . on 2/29/2016
5 Stars
Perfected VW Mk4 Jetta Conversion w/OE Fogs
I have posted all steps necessary for conversion on VW Mk4 Jetta with OE fog lights on VW Vortex. I'm very happy with the end result. The improvement in quality and quantity of light compared to good halogen bulbs is significant, at least double or slightly more in my opinion. H4 plus H3 LEDs from Cyclops are a great upgrade for the VW.
Reviewed by:  from Connecticut, USA. on 1/4/2016
5 Stars
3800 lumen H4 LED
Very expensive but very good.
Reviewed by:  from UK. on 12/6/2015
5 Stars
Sales Sup.
WOW! Best money I have spent this year. Tested this product the other night and it met and exceeded all my expectations. Did have to modify my weather boot over the light enclosure to get it over the fan but that was easy. Was worried that the light was a little high especially on the sides but not a single car flicked their high beams at me as I passed them. On the trail I could see everything way in front and on the sides as well. Highly recommend this product. Enjoy.
Reviewed by:  from Conroe, Texas. on 10/16/2015

Related Items

H4 canbus adapter for Yamaha Raider
Price: $17.95
Rectifier for LED Light Module
Average Rating
Price: $39.95


Based in the USA - International Shipping Also Available
View Shopping Cart

Sign In / My Account

Have a question? Let us help!
Phone: (800) 624-0278
or (206) 575-7900
Send Us an Email
Find Us on Facebook
Cyclops Adventure Sports
913 Industry Drive
Tukwila, WA 98188