
Why Choose This Freightliner Cascadia LED Projection Headlight
Modern Cascadia trucks rely on advanced LED lighting systems for improved visibility and safety. This LED projection headlight assembly provides a focused beam pattern along with integrated position lighting and modern blackout styling.
Designed specifically for 2018-2024 Freightliner Cascadia trucks equipped with factory LED headlights, this headlight connects directly to the existing wiring harness for straightforward installation.
Key Features & Benefits
LED Projection Headlight Design
This headlight uses a projection-style LED lighting system designed to provide controlled beam distribution.
Projection headlights help:
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focus light across the road surface
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improve forward illumination
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reduce unwanted light scatter
High Output LED Beam Performance
Low Beam
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1,600 lumens
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7000K color temperature
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2.7 amps
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12V DC input
High Beam
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2,800 lumens
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6000K color temperature
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2.39 amps
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12V DC input
These outputs provide bright LED illumination designed to improve nighttime visibility.
LED Position Light
The headlight includes an integrated white LED position light that enhances the Cascadia’s front-end lighting appearance.
Position lights increase daytime visibility while providing a distinctive LED lighting signature.
Black Inner Housing Styling
The black inner housing gives the headlight a modern blackout appearance compared to traditional chrome housings.
This styling upgrade is popular among Cascadia owners seeking a more aggressive front-end look or matching other blackout accessories.
Patent-Pending Lens Design
The headlight features a patent-pending lens design intended to enhance both lighting performance and styling.
The specialized lens contour helps improve beam clarity while enhancing the appearance of the headlight assembly.
Durable Polycarbonate Lens
The assembly includes a polycarbonate lens, widely used in automotive lighting due to its resistance to vibration, road debris, and weather exposure.
Performance & Compatibility
Vehicle Fitment
Designed for:
Freightliner Cascadia (2018-2024)
New-generation body style trucks equipped with factory LED headlights.
Compatibility note:
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Not compatible with Cascadia trucks originally equipped with halogen headlights.
OEM Reference Numbers
Driver side:
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A66-01405-002
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A66-01512-004
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A6601512004
Passenger side:
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A66-01405-003
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A66-01512-003
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A6601512003
Always verify compatibility with your specific truck before installation.
Installation / Technical Details
Installation features:
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Plug-and-play connection to factory LED wiring harness
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OEM-style mounting compatibility
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Direct replacement headlight assembly
Product specifications:
Item Numbers
Driver: 35821
Passenger: 35822
Finish
Black inner housing
Voltage
12V
Package Dimensions
32″ L × 15.5″ W × 13.5″ H
Product Weight
29 lbs per headlight
Product Series
Aftermarket
Build Quality / Compliance
Durable Aftermarket Headlight Construction
These headlights are part of an aftermarket LED headlight series designed for heavy-duty trucking environments. The housing protects internal LED components during long-haul driving conditions.
DOT / SAE Compliance
According to manufacturer specifications, these headlights meet:
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DOT
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SAE
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FMVSS 108
lighting standards for road-legal use.
Always verify compliance requirements in your region before installation.
What’s Included
Each package includes:
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1 LED projection headlight assembly
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Integrated LED position light
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Black inner housing finish
Driver and passenger headlights are sold separately.
Frequently Asked Questions About Freightliner Cascadia LED Projection Headlights
Will this headlight fit all Freightliner Cascadia trucks?
This headlight is designed for 2018-2024 Freightliner Cascadia trucks equipped with factory LED headlights. It is not compatible with trucks originally equipped with halogen headlights.
Are these headlights sold individually or as a pair?
These headlights are sold individually, allowing replacement of either the driver or passenger side.
What is a projection headlight?
Projection headlights use a lens-based optical system to focus light more precisely than traditional reflector headlights, which can improve beam control and road visibility.
What color temperature do the headlights produce?
The low beam operates at approximately 7000K, while the high beam operates at 6000K, producing a bright white LED light.
Do these headlights require special wiring?
No. They are designed to plug directly into the existing factory LED wiring harness connector on compatible Cascadia trucks.
Are these headlights DOT compliant?
Yes. According to manufacturer specifications, these headlights meet DOT, SAE, and FMVSS 108 standards.



















