ST4K 42” Double Row LED Light Bar (80 LED) - Stedi LEDST4K-42-80L

Pinnacle of Performance. Built to Dominate the Night.

The STEDI™ ST4K 42” Double Row LED Light Bar is the definition of uncompromising illumination. Powered by Pure Drive™ technology, this powerhouse transfers 97% of input power directly to light output, maximising efficiency and producing a beam that cuts through the darkness with staggering clarity.

With 80 OSRAM® OSLON® high-intensity LEDs, the ST4K 42” delivers a jaw-dropping 936 m beam distance at 1 Lux, while maintaining a 55 m flood on either side for full peripheral coverage. Whether tearing through off-road tracks or commanding the highway, this is lighting built to perform beyond expectations.

Born from the STEDI™ Type-X™ DNA, the ST4K range continues to set the benchmark for high-output driving lights with precision optics, superior construction, and trademark reliability.

🔑 Key Features

✅ Pure Drive™ Efficiency: 97% of power delivered straight to LEDs for maximum light output.
💡 Precision Beam Control: 12 Flood + 56 Spot + 12 Flood configuration for an ultra-balanced beam.
🌌 Crystal White 5700K Output: Provides daylight clarity and superior definition in all environments.
💧 IP68 Certified: Dustproof, waterproof, and submersible up to 3 metres — built for the harshest conditions.
⚙️ Premium Build Quality: A360.0 cast aluminium faceplate and extruded heat sink with UV-resistant polyester coating.
🌬️ Pressure Equalisation Vent: Gore® membrane prevents internal fogging and pressure build-up.
🔩 Mounting Flexibility: Includes sliding mounts for precision fitment and 3 mm stainless steel side brackets with ±15 mm height adjustability.
🔌 Plug & Play Harness: Easy-Fit wiring kit with built-in electronics; compatible with both positive and negative switching systems.
📡 EMC/RFI Suppression: Zero interference with radio, GPS, or communication devices.
💪 5-Year Warranty: No-nonsense Australian-backed replacement coverage — built to outlast the road ahead.

⚙️ Technical Specifications

📦 What’s Included

• 1 × STEDI™ ST4K 42” LED Light Bar (80 LED)

• 2 × Brushed Stainless Steel Side Brackets

• 3 × Adjustable Sliding Brackets

• Easy-Fit Plug & Play High Beam Wiring Kit

• HB3 & H4 Piggyback Adaptors

• Cable Ties

• Wiring Instructions