Product Overview
The Peterbilt 379 runs a dual 4×6 sealed beam configuration. When factory high beams fade, cloud, or lose reflector efficiency, nighttime visibility suffers.
Key Features & Benefits
High-Output Halogen High Beam Performance
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Raw Output: 1,700 lumens
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Effective Output: 1,380 lumens
Designed for distance illumination on highways, rural roads, and low-light job sites.
The focused reflector design helps project usable light farther down the road.
Direct H4651 Sealed Beam Replacement
Engineered specifically to replace H4651 4×6 sealed beam high beam headlights.
Drops into existing 4×6 buckets commonly used on Peterbilt 379 setups.
No custom fabrication required.
Durable Glass Lens Construction
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Crystal-clear glass lens
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Impact-resistant design
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Maintains optical clarity over time
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Resists yellowing compared to plastic lenses
Built for heavy-duty road use.
Serviceable 9005 Halogen Bulb
Includes a pre-installed 9005 halogen bulb.
Benefits:
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Easy bulb replacement
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Lower long-term cost
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Widely available bulb type
Compatible with standard 12V systems.
Efficient Electrical Performance
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Input Voltage: 12V DC
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Current Draw: 5.4A @ 12V DC
Delivers strong illumination without excessive electrical demand.
DOT & SAE Compliant
Meets FMVSS 108 standards for legal on-road use in the United States.
DOT and SAE markings support compliant installation.
Compliance may vary by vehicle configuration — verify local regulations if unsure.
Performance / Compatibility / Use-Case
The Starr 4×6 Halogen High Beam Conversion Housing upgrades your 379 by replacing outdated sealed beams with a serviceable reflector system that delivers:
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Strong long-range visibility
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Replaceable 9005 bulb design
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Glass lens durability
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OEM-style fitment
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DOT/SAE compliant performance
This is ideal for drivers who want dependable halogen output without switching to LED.
Installation / Fitment / Technical Details
Designed as a direct-fit replacement for H4651 sealed beam high beam positions in Peterbilt 379 headlight assemblies.
Typical installation:
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Remove factory high beam sealed unit
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Connect included 14-gauge wiring adapter
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Mount housing into existing bucket
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Properly aim headlights
No rewiring required.
Product Type: 4×6 Halogen High Beam Reflector Headlamp
Replacement For: H4651 Sealed Beam (High Beam)
Light Output: 1,700 lm raw / 1,380 lm effective
Lens Material: Glass
Bulb Type: 9005 Halogen (Included)
Voltage: 12V DC
Current Draw: 5.4A @ 12V DC
Compliance: DOT / SAE (FMVSS 108)
Fitment: Direct replacement
Build Quality / Warranty
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Die-cast aluminum multi-surface reflector
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Glass lens
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Black electro-deposited housing finish
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Includes protective rubber cover
Built to handle vibration, debris, and harsh road conditions.
Warranty: 1-year manufacturer warranty.
What’s Included
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1 × 4×6 Halogen High Beam Reflector Headlamp
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1 × 9005 Halogen Bulb (Pre-installed)
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1 × Heavy-Duty 14-Gauge Wiring Adapter
Frequently Asked Questions
Will this fit my Peterbilt 379?
The Peterbilt 379 uses a 4×6 sealed beam format. This housing is designed as a direct H4651 high beam replacement.
Is this LED or halogen?
This is a halogen reflector conversion housing using a replaceable 9005 bulb.
Is this street legal?
Yes. It meets DOT and SAE standards under FMVSS 108 when installed correctly.
Can I install LED 9005 bulbs in this housing?
LED bulb compatibility varies by SKU and local regulations. Check the listing or contact us to confirm proper fitment and compliance.
