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Premium Super 40 Engineering: Upgraded heavy-duty commercial design backed by an extended 3-year limited manufacturer warranty for maximum fleet reliability.
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Integrated Reflectorized Lens: Designed with a built-in reflective optical pattern that satisfies reflex, tail, or clearance requirements, keeping your vehicle fully DOT compliant.
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Advanced Vibration-Dampening Shock-Mount: Unique internal shock mount provides superior absorption to shield the bulb filament from harsh road shock, extending lamp life.
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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 spray.
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8 Sq. Inch Illuminating Lens Area: High-visibility signaling surface area fully complies with regulations for vehicles under and over 80 inches wide.
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Standard PL-3 Connection: Built with a standard 3-prong female PL-3 pigtail interface on the back for plug-and-play wiring (compatible with Truck-Lite 94993 or similar 3-wire harnesses).
Truck-Lite 40248R Super 40 Incandescent Red 4" Round Stop/Turn/Tail Light (12V, Reflectorized Lens, Shock-Mounted Bulb, PL-3 Connection, Sealed Lamp)
Bring premium structural longevity and integrated safety compliance to your heavy-duty commercial fleet with the Truck-Lite 40248R Super 40 Series Stop/Turn/Tail Light. This standard 4-inch round, red incandescent lamp handles three essential rear functions—braking, turn indicators, and tail signaling—while incorporating a specialized reflectorized lens. The built-in reflective optical border acts as a Class A reflector, allowing your truck or trailer to maintain full highway safety compliance without the need for standalone reflection tape or extra surface markers.
As part of Truck-Lite’s premium Super 40 Series, the 40248R is engineered with an advanced, uniquely designed internal shock-mount system. This technology completely isolates and cushions the dual-filament incandescent bulb from intense road shocks, impacts, and high vibrations, significantly reducing early filament burnouts. Sonically sealed in an impact-resistant polycarbonate lens and housing assembly, this watertight 12V lamp utilizes a standard 3-prong PL-3 connection and is backed by an extended 3-year limited manufacturer warranty.
Grote: 52672
Peterson: M427R
Other Interchanges: PT4100R, TL40248R, TK40248R
NAPA: LIT 40248R
Truck-Lite alternative options: 40048R (Complete kit version with plug/grommet included), 40215R (Standard 40 series reflectorized red lamp), 40202R (Non-reflectorized standard lamp), Super 44 LED Series (Upgrade path)