Diode Dynamics SL2 H4 LED Bulbs – Pro | 6000K White

Diode Dynamics SL2 H4 Pro LED Bulbs – Pair

Description

When visibility matters most, the Diode Dynamics SL2 H4 Pro LED Bulbs deliver maximum clarity with 2400 lumens per bulb and a focused beam built for fog light applications. These are not headlight replacements—they’re purpose-built for fog lights and auxiliary use, cutting through snow, rain, and low-visibility conditions without scattering glare. Whether you’re setting out before dawn, navigating forest roads, or backing trailers after dark, the H4 Pro bulbs shine where you need them most.

Built with a die-cast aluminum body, integrated cooling fan, and transient-protected driver, these bulbs are designed for harsh outdoor environments. OEM-style H4 connectors ensure a fast plug-and-play install with no external drivers or wiring required.

Key Features

• 2400 lumens per bulb – Pro-grade brightness
• 6000K color temperature – modern white light
• Top-mounted cooling fan for reliable thermal control
• OEM-style H4 plug – quick, plug-and-play install
• Internal transient-protected driver
• Lifetime warranty from Diode Dynamics

Technical Specifications

• Output: 2400 lumens (per bulb)
• Color Temperature: 6000K
• Power Draw: 22W
• Voltage: 9–30V
• Current: 1.7A @ 12.8V
• Polarity: Polarity-specific
• Operating Temp: -40°F to 185°F
• LED Emitter: TST Automotive Grade
• Cooling: Integrated top-mounted fan
• Driver: Internal, transient-protected
• Connector: OEM H4 plug
• Materials: Copper PCB, A360 die-cast aluminum
• Compliance: SAE J575 Durability Test

Ideal For

• Pre-dawn ice fishing or hunting trips
• Snowy or foggy Northwoods driving
• Backroad overlanding and trail runs
• Auxiliary fog light upgrades
• Nighttime trailer and hitch positioning

Application Notice

These bulbs are not DOT compliant for use as low beam headlights on public roads. Legal for fog light and off-road use only. Always confirm local regulations.

Shipping & Support

• Shipping: Fast fulfillment with tracking from All Trails Lead North
• Warranty: Limited Lifetime Warranty
• Returns: 30-Day Satisfaction Guarantee – no restocking fees
• Support: Installation and fitment help available

Purpose in Every Pair

From overland rigs to weekend hunting trucks, the SL2 H4 Pro bulbs deliver dependable clarity and rugged reliability in all conditions. Built for the outdoors, backed for life.