Step Up to a Brighter, Cleaner LED Headlight
If you’re upgrading from halogen or entry-level LED headlights, this ULTRALIT 4×6 series delivers a noticeable improvement in brightness and clarity. With a crisp 6500K white output, these headlights provide a modern look while improving nighttime visibility and road definition.
Key Features & Benefits
6500K White Light Output
Produces a bright white beam close to daylight, helping improve:
- Road visibility
- Contrast in low-light conditions
- Driver comfort over long distances
Increased Output Over Entry-Level LED Options
- Low Beam (Item #31088): 750 lumens
- High Beam (Item #31089): 1000 lumens
This makes it a strong mid-tier upgrade compared to basic LED sealed beam replacements.
Durable Polycarbonate Housing & Lens
- Corrosion-resistant polycarbonate construction
- Impact-resistant lens protects from road debris
- Designed for long-term durability in harsh environments
Solid-State Reliability
Engineered to resist:
- Shock
- Vibration
- Temperature fluctuations
Ideal for heavy-duty trucking applications and rough road conditions.
Direct OEM Fitment
- Designed for standard 4″ x 6″ sealed beam applications
- Plug-and-play connection into factory wiring harness
- No major modifications required
Commonly used on trucks like the Peterbilt 379 and other compatible setups.
Dual Voltage Compatibility
Works on both 12V and 24V systems, making it suitable for a wide range of semi trucks and commercial vehicles.
Performance & Technical Specs
Low Beam (Item #31088):
- Output: 750 lumens
- Color Temperature: 6500K
- Beam Type: Low Beam
High Beam (Item #31089):
- Output: 1000 lumens
- Color Temperature: 6500K
- Beam Type: High Beam
Shared Specs:
- Headlight Size: 4″ x 6″
- Voltage: 12–24V
- Compliance: DOT/SAE, FMVSS 108
Installation & Fitment
- Plug-and-play for standard 4×6 connections
- Fits OEM headlight housings
- Designed for quick installation
Always confirm your headlight size and configuration before ordering.
Built for Daily Drivers and Serious Upgrades
This ULTRALIT model hits the sweet spot between budget and performance. It offers a meaningful upgrade in brightness and clarity without stepping into premium price tiers, making it ideal for both daily drivers and working trucks.
What’s Included
- (1) ULTRALIT 4×6 LED Headlight (High or Low Beam depending on selection)
Frequently Asked Questions About 4×6 LED Headlights
What does 6500K mean for headlights?
6500K refers to the color temperature of the light. It produces a bright white output similar to daylight, improving visibility and contrast.
Do I need both high beam and low beam headlights?
Yes, most vehicles require both to function properly. Low beam is used for normal driving, while high beam provides maximum visibility when needed.
Are these brighter than standard halogen headlights?
Yes, they provide improved brightness and a cleaner beam pattern compared to traditional halogen sealed beams.
Will these fit my truck?
They are designed for standard 4×6 sealed beam applications. Fitment may vary depending on your specific setup.
Are these plug and play?
Yes, they plug into your existing wiring harness for easy installation.
Can these be used on 24V systems?
Yes, they are compatible with both 12V and 24V electrical systems.
Are these DOT compliant?
Yes, they meet DOT/SAE and FMVSS 108 standards.
How do these compare to other 4×6 LED headlights?
These offer a balanced upgrade in brightness and performance compared to entry-level options, while remaining more affordable than premium brands.
