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Shatterproof Polycarbonate Lens: Engineered from optical-grade polycarbonate that resists stone chips, road debris impacts, and severe yellowing or cracking from UV exposure.
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Heavy-Duty Aluminum Housing: Features a die-cast aluminum rear structure that dissipates heat rapidly away from the bulb, protecting critical components and extending overall lamp life.
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Cost-Effective Replaceable Bulb Design: Eliminates the waste of traditional sealed beams; when the filament burns out, simply replace the internal halogen bulb and reuse the premium outer housing.
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Universal 7-Inch (PAR56) Drop-In Fitment: Designed as a direct mechanical match for industry-standard 7" round headlight buckets, making retrofits seamless on a massive range of classic and commercial vehicles.
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Full DOT & FMVSS 108 Compliance: Meets or exceeds strict Federal Motor Vehicle Safety Standards (FMVSS 108) and DOT requirements to guarantee legal, safe highway performance with precise beam patterning.
Truck-Lite 27004 7" Round Halogen Headlight – 12V 1-Bulb Replaceable Sealed Beam Upgrade, High-Impact Polycarbonate Lens & Aluminum Housing
Restore crisp night visibility and rugged structural defense to your vehicle's forward lighting system with the Truck-Lite 27004 7" Round Halogen Headlight. Explicitly engineered to serve as a high-performance upgrade or direct replacement for standard 7-inch (PAR56) sealed beam headlamps, this 12-volt halogen lamp assembly is a premier choice for commercial fleets, severe-duty dump trucks, vocational utility vehicles, vintage cars, and classic motorcycles.
Unlike traditional glass sealed beams that crack easily under highway impact, the Truck-Lite 27004 is built with a high-impact, UV-stabilized polycarbonate lens bonded to a lightweight, heavy-duty die-cast aluminum reflector housing. This advanced construction maximizes structural durability while optimizing light reflection. Operating on standard 12V DC systems, it utilizes a field-serviceable, replaceable halogen bulb design with a standard H4 style connection. This allows fleet maintenance crews to quickly swap out an expired bulb without discarding the entire headlight assembly—slashing long-term maintenance costs and reducing roadside downtime.