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Diode Dynamics SL1 LED Bulbs 9005

Diode Dynamics SL1 LED Bulbs 9005

Best price now

$80.00at Diode DynamicsObserved at 3:31 AM

47% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Our take on the Diode Dynamics SL1 LED Bulbs 9005

The SL1 is Diode Dynamics' drop-in LED replacement for 9005 halogen headlight bulbs. Each bulb puts out 2400 lumens at 6000K white, draws 22 watts and 1.7 amps, and uses an internal driver with an OEM-size connector, so no external ballast or wiring harness is needed. The compact aluminum body is built to fit inside stock housings. At $80.00 at Diode Dynamics as of November 5, 2026, it sits at the low end of its recent range, with three stores listing it new.

Best forDrivers upgrading dim 9005 halogen high beams or low beamsOwners who want plug-and-play install without cutting wiringTruck and car owners who want a whiter, brighter beam than stockBuyers who value a lifetime warranty
Pros
  • 2400 lumens per bulb is a large step up from stock 9005 halogens
  • Internal driver and OEM connector make install close to plug-and-play
  • Compact aluminum body fits tight housings better than many LED kits
  • Works across 9-30V, so it suits 12V cars and 24V trucks
  • Lifetime warranty from the manufacturer
Cons
  • No wiring harness or ballast in the box; you reuse stock wiring
  • 6000K white runs cooler and bluer than factory halogen light
  • LED output in a halogen reflector can glare or scatter; check aim after install
  • Not legal for every on-road use; check local rules for headlight conversions

Diode Dynamics SL1 LED Bulbs 9005 prices at every store

  • Diode DynamicsNew

    In stock

    $80.00Free shippingObserved at 3:31 AM
    Visit store
  • Auto LightsNew

    In stock

    $150.00Observed at 3:31 AM
    Visit store
  • The HID FactoryNew

    In stock

    $179.99Observed at 3:31 AM
    Visit store

Diode Dynamics SL1 LED Bulbs 9005 price history

Lowest price we've seen: $80.00 on Nov 5 at Diode Dynamics. Tracked across 3 stores since Nov 5.

What reviewers say

Owners of the SL1 line generally report a big brightness gain over halogen and a clean white color, with installs that take minutes. Complaints tend to focus on beam pattern in reflector housings and on the price versus generic LED kits.

Pros
  • Noticeably brighter than stock 9005 bulbs
  • Simple install with factory connectors
  • Solid build quality and consistent color
Cons
  • Beam pattern can be uneven in some reflector housings
  • Pricier than no-name LED bulbs
  • 6000K color is too blue for some drivers

Specifications

Suitable Vehicle Type
Car
Lighting Type
Headlight
Brightness
2400 lumen (per bulb)
Light Color
White
Color Temperature
6000K
Vehicle Compatibility
Car, Truck
Specific Fit
Direct replacement
Color
White
Housing Material
Aluminum
Size
Compact
Bulb Type
LED
Voltage
9-30V
Electrical Connector Type
OEM-Size
Electrical Controller
Internal
Power Source
Vehicle Battery
Wattage
22
Wiring Harness Included
No
Amperage
1.7 ( @ 12.8V)
Current Draw
1.7 ( @ 12.8V)
Ballast Included
No
Application Type
Headlight
Bulbs Included
Yes
Bulb Life Span
Lifetime warranty
Bulb Voltage
9-30V

Questions and answers

Is the SL1 9005 worth it over stock halogen bulbs?
If your 9005 halogens feel dim, the SL1 roughly doubles usable light at 2400 lumens per bulb and keeps a plug-in install. It costs more than basic LED kits, but the internal driver and lifetime warranty are the main reasons to pay up.
Will these fit my car or truck?
They fit any vehicle that takes a 9005 bulb and has room behind the housing for a compact LED body. Check your owner's manual for the bulb number before ordering; 9005 is common for high beams and some low beams.
Do I need a wiring harness or ballast?
No. The driver is built into the bulb and the connector is OEM-size, so you plug into the factory socket. Nothing extra is included in the box.
Are they legal for road use?
Rules vary by state and country, and LED retrofits in halogen housings are restricted in some places. Check your local headlight rules and have the aim checked after install.
Is $80 a good price?
At $80.00 at Diode Dynamics as of November 5, 2026, the SL1 is at the low end of its recent range across the three stores that list it new. That is a fair price for a warranted name-brand LED bulb.
How long do they last?
Diode Dynamics backs the SL1 with a lifetime warranty, and LED bulbs typically outlast halogen by a wide margin. Heat is the main killer, so keep the housing's rear vent clear.
Where is the Diode Dynamics SL1 LED Bulbs 9005 cheapest?
At Diode Dynamics, for $80.00, 47% under what the other stores charge, as of our latest check.
Where can I buy the Diode Dynamics SL1 LED Bulbs 9005?
3 stores we checked sell it, including Diode Dynamics, Auto Lights, The HID Factory.

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