Product Overview
If you’re driving in snow, ice, or harsh environments, standard headlights can struggle to keep up. These ULTRALIT heated 4×6 LED headlights combine advanced heating technology with a glass lens and aluminum housing, delivering a premium solution for both visibility and durability.
This is the next step above standard heated headlights, built for serious drivers and high-end builds.
Key Features & Benefits
Advanced Heated Lens Technology
Automatically de-ices and defrosts the lens, ensuring consistent light output in:
- Snow
- Freezing rain
- Ice buildup conditions
Smart Heating Control System
- Activates only when needed
- Automatically shuts off once the lens is clear
- Optimizes power usage
Glass Lens for Superior Clarity
Unlike polycarbonate lenses, glass provides:
- Better long-term clarity
- Increased scratch resistance
- Improved resistance to hazing over time
Ideal for drivers who demand long-term performance and visibility.
Heavy-Duty Aluminum Housing
- Corrosion-resistant construction
- Superior heat dissipation
- Increased durability compared to plastic housings
Built to handle extreme trucking environments.
High Output 6500K White Light
- Clean, daylight-like white output
- Improves contrast and road visibility
- Reduces eye fatigue during night driving
Multiple Beam & Finish Options
Low Beam (Items #34131 Chrome / #34133 Black):
- 1,000 lumens
- 20 watts
High Beam (Items #34132 Chrome / #34134 Black):
- 1,200 lumens
- 24 watts
Available in:
- Chrome finish
- Black finish
Direct OEM Fitment
- Standard H4656 connector
- Plug-and-play installation
- Fits standard 4″ x 6″ sealed beam applications
Commonly used on trucks like the Peterbilt 379 and compatible setups.
Dual Voltage Compatibility
Works on both 12V and 24V systems, making it suitable for a wide range of semi trucks and heavy-duty vehicles.
Performance / Compatibility / Use-Case
- Headlight Size: 4″ x 6″
- Voltage: 12–24V
- Color Temperature: 6500K
- Connector: H4656 style
- Function: Heated lens
- Compliance: DOT/SAE, FMVSS 108
- Dimensions: 6.6″ x 4.2″ x 3.2″
Installation / Fitment / Technical Details
- Not compatible with factory-equipped LED headlight systems
- 2005+ Kenworth T800 and W900 may require a software update
Always confirm compatibility before ordering.
- Plug-and-play design for standard applications
- No additional wiring required for heating system
- Fits OEM headlight housings
Professional installation recommended for optimal aiming.
Build Quality / Warranty
This is a premium-tier heated headlight solution combining:
- Maximum winter performance
- Long-term durability
- Show-quality finish options
Ideal for:
- Cold climate drivers
- Show trucks
- Fleet reliability upgrades
Warranty: 3-year manufacturer warranty.
What’s Included
- (1) ULTRALIT Heated 4×6 LED Headlight
- Selected beam type (high or low)
- Selected finish (chrome or black)
Frequently Asked Questions
What makes glass lens headlights better?
Glass lenses resist scratching and hazing better than polycarbonate, maintaining clarity over time and improving long-term visibility.
How does the heating system work?
The built-in heating element activates automatically when ice or snow is detected and shuts off once the lens is clear.
Are these better than standard heated headlights?
Yes, the combination of glass lens and aluminum housing offers improved durability and long-term performance.
Will these fit my truck?
They are designed for standard 4×6 sealed beam applications. Fitment may vary depending on your setup.
Can I install these on trucks with factory LED headlights?
No, these are not compatible with factory LED systems.
Do I need both high and low beam versions?
Yes, most vehicles require both for proper headlight functionality.
Do these work in extreme cold?
Yes, they are specifically designed to perform in snow and freezing conditions.
Are these DOT compliant?
Yes, they meet DOT/SAE and FMVSS 108 standards.




















