ULTRALIT 8 High Power LED 4″ × 6″ Rectangular Headlight
Upgrade sealed-beam rectangular headlights with a durable, LED-based solution designed for reliability and OEM-style fitment. This ULTRALIT 4″ × 6″ rectangular LED headlight delivers efficient light output, solid-state durability, and direct compatibility with 12V and 24V electrical systems.
A Modern LED Replacement for Rectangular Sealed-Beam Headlights
Older 4″ × 6″ sealed-beam headlights often produce yellowed, uneven light and require full replacement when they fail. This ULTRALIT LED headlight retains the original rectangular footprint while introducing solid-state LED technology for improved longevity and cleaner light output.
Designed for vehicles that require rectangular headlights, it installs cleanly while improving visibility and durability in daily driving conditions.
Compact LED Design with Proven Durability
8 High-Power LED Configuration
Built with eight high-power LEDs, delivering a whiter light output that improves contrast and visibility compared to traditional halogen sealed beams.
Clean, Daylight-Style Illumination
Produces light closer to natural daylight, with an output rated at 400 lumens, offering improved clarity without excessive glare.
Die-Cast Aluminum Housing
The die-cast aluminum housing provides excellent protection against vibration, road debris, and environmental exposure while supporting effective heat dissipation.
Fully Sealed IP67 Construction
Rated IP67, this headlight is protected from dust and capable of withstanding water immersion, ensuring dependable performance in harsh weather conditions.
Designed as a Direct Sealed-Beam Replacement
This headlight is engineered to replace common 4″ × 6″ rectangular sealed-beam headlights, maintaining proper fitment while upgrading to LED technology.
Available in high beam or low beam configurations to match factory lighting layouts.
Fitment, Electrical & Installation Notes
Installation Overview
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Fits standard 4″ × 6″ (165mm × 100mm) rectangular headlight openings
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Designed for direct replacement applications
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Available in high beam or low beam
Electrical Compatibility
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Supports 12V DC and 24V DC systems
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Suitable for automotive and heavy-duty truck applications
Compliance
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DOT / SAE compliant
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Meets FMVSS 108 requirements
Materials, Durability & Warranty Coverage
Constructed with a sealed aluminum housing and solid-state LED components, this ULTRALIT headlight is built for long service life and reduced maintenance compared to sealed-beam alternatives.
Backed by a 3-year warranty, providing extended confidence in performance and reliability.
What’s Included
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1 × ULTRALIT 4″ × 6″ rectangular LED headlight
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Beam type as selected (high or low)
Frequently Asked Questions About the ULTRALIT 4″ × 6″ LED Headlight
What size headlight does this replace?
It replaces 4″ × 6″ (165mm × 100mm) rectangular sealed-beam headlights.
Is this available in high and low beam versions?
Yes. This headlight is available in high beam or low beam configurations.
What voltage systems does this support?
It supports both 12V and 24V DC electrical systems.
Is this headlight weather resistant?
Yes. It carries an IP67 rating, protecting it from dust and water immersion.
Is this headlight street legal?
Yes. It is DOT / SAE compliant and meets FMVSS 108 standards.
What warranty is included?
This product includes a 3-year warranty covering defects in materials and workmanship.



















