LED Fog light Bulbs
H11/H9/H8: Diode Dynamics SL1 / SLF3P-DD25-HR
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SL1 H8 LED Bulbs: Diode Dynamics came to the market with these SL1 H8 LED Bulbs and we couldn't be much more impressed. They rightly call attention to the exceptionally high build quality and reliability of these lights as well as their smartly designed hotspot and clear optics. Take a deeper dive into what makes the SL1 Special below.
Optimized Performance: We all want performance without compromise and the SL1 delivers that. Unlike other bulbs that claim insane lumen numbers, or aren't legal on the road, the SL1 Fog Light backs up its claims with clear evidence of their ability to produce brighter light (1630 lumens) in a clear and well-defined beam pattern that reduces glare and wasted light. They can manage that thanks to their in-house advanced optical design software which uses a process called 'ray tracing' to simulate exactly what each ray of light is doing as it leaves the light source and works its way onto the target. Through this process, they've ensured that every ray possible brightens up your path.
Rugged Design: While brightness is key in any good light, Diode Dynamics took exception to all the cheap junk out there that starts out bright but can't stand up to the workload of OEM lights. The SL1 was built from the ground up to meet or exceed the reliability standards of OEM lighting. It's been torture-tested from temperatures ranging from -40 to 185 degrees F. Combine that with stress relief points in the wiring harness, solderless terminals, and exclusive zinc castings and you can see why we like it so much.
Size and Heat: A major issue with the vast majority of LED lights on the market today is heat evacuation. To combat high temperatures, many manufacturers incorporate large fans or heat sinks into the bulb assembly. More often than not, these aren't even adequate enough to ensure a long life. At the same time, those large parts ensure that fitment is a pain thanks to the additional heft. Diode Dynamics works around this problem with intelligent engineering in the form of a MagLev fan that won't create interference as it cools the bulb. Because of this high-end tech, the bulb isn't much larger than the original halogen unit, allowing for easier installation and use.
Boost Mode Circuitry: In keeping with their OEM or better quality control, Diode Dynamics uses the same Boost Most Circuitry that you'd find in an OEM LED bulb to ensure that no electrical system can cause an uneven load on the LEDs and burn them out. It's even capable of handling many complex systems that would otherwise require an additional Canbus harness.
HR Tested: Here at Headlight Revolution, we spend a lot of time installing and testing the products you'll find for sale. We don't favor any particular brand, so our commitment to you is that we'll deliver the best product for your application, period. To see all of the compatible lighting upgrades for your vehicle, use the "buyers guide" on our homepage! Be sure to check out the HR YouTube channel for hundreds of helpful install and review videos!
Quantity: Two (2)
Warranty: 3 year warranty
100%: Satisfaction Guarantee
Bulb Size: H11
DRL Function: Operates at full brightness for DRL
APPLICATION: HID and LED bulbs are street legal in the USA for Fog Light use only. Not compliant with DOT / FMVSS108 and not street legal in the USA for Headlights. Legal for off-road use in Snowmobile and ATV headlights and off-road racing use only auxiliary or forward lighting. International street legality varies by country. For detailed clarification on street use, CLICK HERE Note: This usage regulation is not unique to Morimoto bulbs. All LED and HID bulbs from all other brands, regardless of marketing claims, are prohibited from street use in halogen headlights in the USA.
HOMOLOGATION ECE: NO
DOT/SAE/FVMSS108: NO (NOT STREET LEGAL IN HEADLIGHTS IN USA)
Measured Lumens: 1630 (per bulb)
Color Temp (CCT): 6000K
Power (watts): 20.2
Operating Voltage: 5-16V
Current (amps @ 13.2V): 1.58
Polarity: Polarity Specific
Operating Temperature: -40C to 85C (-40F to 185F)
LED Emitter: Luxeon Z E
Connector(s): OEM-Size Plug and Play
Driver Features: External, Waterproof, Constant Current
Driver Dimensions: 2.19in x 1.13in x 0.56in
Materials: Copper PCB, PP-TD30 Base, Zinc Heatsink
Cooling: Active, Mag-Lev Microfan
Compliance Ratings: SAE J575 Durability Test
Patent: US D824052
Weight (lb): 1.10
Not my choice
Installed in a 2012 Focus SE reflector housing, I did not have an even cut off line. The brightness I would rate at moderate. But the most unacceptable was strings of curved light where the cut off line should have been. Maybe the problem was in my housings or my installation. But whatever. I was not impressed.
They may have worked had they fit.
I bought them for my 13 Ford Fusion but because of the bulbs having a locked, molded collar they can't produce a proper beam. It was very spread out with no focus of any kind. I had to return and replace with standard halogens until I find something else that'll work. If you're considering this bulb I would pass it up only because of the fixed collar and because of that it may not work properly in your application. However with those negatives the build quality was really good.
These are absolutely great. They're a lot brighter than the stock bulbs and the beam pattern is exactly the same
Love the slim design, definitely not bulky. I can't even hear the fans turn on at all. Nice white color as well, updates the look of the car. I think I might have to retro fit them though, because they do not seem much brighter than the stock halogens
not quite a perfect replacement
installed in Cadillac CTS, in place of Halogen projector bulbs. Installed very easy, perfect fit. However, due to the design of the GM projectors, these bulbs do not provide a significant improvement.
Was expecting kinda some more for 150$ per pair of LEDs, not impressed!
Awesome vendor and parts
The customer service rep I spoke to was Jake G. He was awesome and then some. He even suggested some lights that I'm going to purchase through him in the near future. Don't hesitate to use these guys. Fast shipping was the icing on the cake. Thanks Jake.
One of the bulbs is
One of the bulbs is not functioning correctly. The light will cut off and come back on. While running, the bulb has a flicker to it. The driver has an issue.
I installed these LED Fogs
I installed these LED Fogs on my 2019 Yukon. Product was very easy to install, only took 10 minutes at most. These Fogs are really bright and made a big difference. Would buy these again for sure!