Diode Dynamics DD9005 SL1 9005 LED Headlight Bulb Replacement

The Diode Dynamics DD9005 SL1 LED is a precision-engineered, plug-and-play replacement for the standard 9005 halogen bulb fitment. Designed and manufactured in the USA, the SL1 was built from the ground up to deliver a true OEM-grade LED upgrade — not just a cosmetic swap — with a properly focused beam pattern, measurably higher output, and long-term reliability.

Optically Correct Beam Pattern:

Unlike generic LED bulbs that scatter light and create glare, the SL1 was engineered using advanced ray-tracing optical design software to precisely match the original halogen filament position. The result is a focused hotspot and proper beam pattern that meets FMVSS108 photometric standards for street-legal output.

Key Features:

• Measured Output: 1,630 lumens per bulb (actual tested, not calculated)
• Color Temperature: 5,700K crisp white light
• Power Draw: 20.2 watts per bulb
• Operating Voltage: 5–16V
• LED Emitter: Luxeon Z ES
• Cooling: Active Mag-Lev Microfan for sustained thermal management
• Driver: External, waterproof, constant-current driver
• Materials: Copper PCB, PP-TD30 base, zinc heatsink
• Operating Temperature: -40°C to 85°C (-40°F to 185°F)
• Connector: OEM-size plug-and-play — no modification required
• Compliance: FMVSS108 beam pattern, SAE J575 durability tested
• Patent: US D824052
• Dimensions: 2.19 in x 1.13 in x 0.56 in
• Warranty: 3-year replacement warranty

Replaces bulb sizes: 9005, 9005XS, 9011, 9005CB, 9005XSCB, 9005SU, 9005L+, 9005ST, 9005XV, 9005EB, 9005XSST

Application Notice: LED bulbs are approved in the USA for fog light use only. These bulbs are not DOT/FMVSS108 compliant for street use in halogen headlight housings. They are legal for off-road, ATV, snowmobile, and racing applications. International legality varies by country.