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Built-In Reflectorized Lens: Designed with an integrated reflective optical pattern, eliminating the need for separate reflectors while keeping your rig completely legal.
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Vibration-Dampening Shock-Mount: Internal bulb shock-mounting isolates the filament from severe road vibration, extending operational life and lowering fleet maintenance costs.
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Hermetically Sealed Construction: The tough polycarbonate lens and housing are sonically welded together, locking out moisture, dust, dirt, and chemical road salts.
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Three Rear Functions in One: Seamlessly consolidates your rear tail light, brake light, and turn indicator operations into a single, high-performing 4-inch round unit.
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Universal Standard Fitment: Drops easily into standard 4-inch round mounting systems using standard flush-mount rubber grommets (fits a 4.5" cutout hole).
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Fully Safety Certified: Meets or exceeds FMVSS 108, CMVSS 108, DOT, and SAE standards (marked S2, I6, P2, T) for legal commercial highway application.
Truck-Lite 40215R 40 Series Incandescent Red 4" Round Stop/Turn/Tail Light (12V, Reflectorized Lens, Shock-Mounted Bulb, PL-3 Connection, Sealed Lamp)
Maximize your truck or trailer's safety and streamline your regulatory compliance with the heavy-duty Truck-Lite 40215R 40 Series Stop/Turn/Tail Light. This standard 4-inch round, red incandescent lamp is a premium fleet favorite, delivering reliable brake, tail, and turn signaling with an integrated reflectorized lens. The built-in reflective border functions as a Class A reflector, allowing you to maintain full road visibility without adding separate reflector tape or markers to your vehicle chassis.
Engineered to endure the punishment of daily commercial hauling, the Truck-Lite 40215R features a uniquely designed internal shock-mount system. This technology cushions and isolates the heavy-duty dual-filament bulb from intense road shock and vibration, significantly reducing filament breaks and extending overall lamp life. Sonically sealed in a high-impact polycarbonate lens and housing assembly, this 12V lamp is completely watertight and uses industry-standard 3-prong PL-3 pigtail connections.
Grote: 52672
Peterson: M427R
Other Interchanges: PT4100R, TL40215R, TK40215Y
NAPA: LIT 40215R
Truck-Lite alternative options: 40015R (Complete kit version with plug/grommet), 40202R (Non-reflectorized standard lamp), 40248R (Super 40 premium version)