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Dedicated CHMSL Functionality: Formulated with an optimal light distribution pattern specialized exclusively for center high mount stop lamp applications.
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Heavy-Duty Shock-Mounted Bulb: Internal vibration dampening isolates the delicate single-bulb filament from severe road shock, drastically reducing vehicle downtime and maintenance costs.
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Hermetically Sealed Construction: The high-impact red polycarbonate lens and housing are sonically welded together to block out water, moisture, dust, and corrosive road grime.
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Universal 4" Round Fitment: Drops seamlessly into standard commercial vehicle panels using a standard 4-inch round flush rubber grommet (fits a standard 4.5" mounting cutout).
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Industry-Standard Plug Interface: Built with a standard 3-prong female PL-3 right-angle socket on the back for convenient plug-and-play wiring installation.
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Fully Safety Compliant: Meets or exceeds FMVSS 108, CMVSS 108, DOT, and SAE standards (marked U2, U3) for legal commercial third brake light configurations.
Truck-Lite 40247R 40 Series Incandescent Red 4" Round CHMSL Center High Mount Stop Light (12V, Shock-Mounted Bulb, PL-3 Connection, Sealed Polycarbonate Lamp)
Enhance the rear visibility and safety profile of your commercial vehicle with the specialized Truck-Lite 40247R 40 Series Center High Mount Stop Lamp (CHMSL). This 4-inch round, red incandescent light is specifically engineered to function as the dedicated third brake light on commercial trucks, service bodies, and trailers. It is designed to be center-mounted on the top rear of the vehicle body to warn trailing motorists immediately when brakes are applied.
Built for heavy-duty operational environments, the Truck-Lite 40247R features a heavy-duty internal shock-mount system. This vibration-dampening design cushions the single incandescent bulb filament from severe chassis impacts and road vibrations, preventing premature structural failure and extending the bulb's operational lifecycle. Sonically sealed in a high-impact red polycarbonate lens and housing assembly, this 12V safety lamp completely seals out moisture and relies on standard 3-prong right-angle PL-3 pigtail connections for effortless retrofitting.
Interchange Part Numbers: TL40247R, TL-40247R, TRL-40247R, LIT40247R, TK40247R
Truck-Lite alternative options: 45207R (45 Series rectangular CHMSL version), 60213R (Super 60 oval CHMSL version), 60260R (60 Series LED upgrade CHMSL alternative)