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Premium Clear Back Housing: Uniquely engineered with a transparent back casing, allowing for clean visual inspection and a modern structural profile.
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Vibration-Welded / Sonically Sealed Body: The tough polycarbonate lens and housing are fused together to form a completely sealed unit, preventing moisture or airborne cargo debris from entering.
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Standard Flush-Mount Footprint: Designed to snap effortlessly into standard 4.5-inch diameter structural cutout panels when paired with a standard 40 Series mounting grommet (sold separately) for a tool-free, seamless look.
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Industry-Standard PL-2 Connection: Features an integrated 2-pin PL-2 socket on the rear of the unit for lightning-fast plug-and-play installation with standard right-angle or straight pigtail wiring harnesses.
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Future-Proof LED Upgrade Path: Shares standard 4-inch industrial dimensions, allowing for an effortless drop-in transition to energy-efficient LED systems down the road using Truck-Lite’s Super 44 Series products.
Truck-Lite 40211 – 40 Series 4" Round Clear Sealed Incandescent Dome Light Kit (PL-2 Connection, 12V)
Brighten up your commercial vehicle's interior cabin, sleeper compartment, cargo area, or utility bay with the heavy-duty Truck-Lite 40211 40 Series Dome Light Kit. Engineered for exceptional structural durability and clean, dependable interior illumination, this 4-inch round clear sealed light head is an industry-standard choice for heavy-duty commercial semi-trucks, box trucks, delivery vans, and vocational utility service bodies.
Built to handle the non-stop shaking and demands of commercial fleet applications, the Truck-Lite 40211 features a high-impact polycarbonate lens and housing that are permanently vibration-welded (sonically sealed) together. This unique design incorporates a distinct clear back housing configuration. The airtight, single-piece casing completely shields internal components from fine cargo dust, moisture, and debris. Inside, the high-output single incandescent bulb provides immediate, crisp clarity wherever visibility is crucial.