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Uniquely Designed Shock-Mount: Bulb filament is protected by shock-mounting technology that cushions against extreme road shock, dramatically extending lamp life.
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Integrated Gray ABS Flange: Features a molded gray ABS plastic flange that permanently surrounds the lamp housing, providing a secure, direct-surface mount that resists theft and tampering.
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Premium Super 40 Engineering: Upgraded design backed by a 3-year limited manufacturer warranty, ensuring a longer service life than standard economy lights.
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Complete Professional Kit: Includes the sealed Super 40 red lamp with gray flange (40258R) and a 3-wire right-angle PL-3 pigtail harness (94993).
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Hermetically Sealed Design: A robust polycarbonate lens and housing are sonically sealed together, creating a watertight barrier against dust, moisture, and road salt.
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Fully Certified & Compliant: Meets FMVSS 108, CMVSS 108, DOT, and SAE standards (marked I, P2, PS, T) for legal highway use in North America.
Truck-Lite 40058R Super 40 Incandescent Red 4" Round Stop/Turn/Tail Light Kit (12V, Gray ABS Flange Mount, PL-3 Connection)
Combine high-performance vibration resistance with a clean, tamper-resistant installation using the Truck-Lite 40058R Super 40 Series Stop/Turn/Tail Light Kit. This premium 4-inch round red light is engineered for heavy-duty commercial applications, featuring Truck-Lite's signature shock-mount bulb design that isolates the delicate filament from damaging road vibrations to prevent premature bulb failure.
The Truck-Lite 40058R features a permanently integrated, high-impact gray ABS plastic flange. This built-in flange allows you to secure the light directly to your truck or trailer body, eliminating the need for a separate rubber grommet and offering a sleek, flush-fitting finish. Complete with a standard right-angle PL-3 pigtail connector, this professional-grade kit is the ultimate heavy-duty choice for long-lasting, reliable rear signaling.
Truck-Lite alternative options: 40258R (Replacement flange lamp only), 40058R3 (Bulk kit pack), 40029R (Economy red flange mount kit)
Interchange Part Numbers: TL40058R, TL-40058R, TRL-40058R, TK40058R