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All-In-One Multi-Function Signaling: Integrates rear stop, turn indicator, tail running, clear reverse/back-up lighting, and a reflective safety border into a single rectangular unit.
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Universal 3-Stud Mounting: Utilizes a standard three-bolt installation pattern matching a traditional 2-inch triangle, providing rock-solid placement on various truck chassis and trailer frames.
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Corrosion-Resistant Hardwired Lead Wires: Designed with a direct, 3-wire hardwired connection featuring stripped ends to maximize current flow and eliminate structural pin degradation.
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Permastat® Polycarbonate Body: A tough, black polycarbonate housing stands up to severe climate shifts, road debris, vibrations, and structural impacts.
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Bulb-Replaceable Subassembly: Features a highly serviceable design, allowing quick internal incandescent bulb replacement to minimize fleet maintenance downtime.
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Fully Safety Certified: Meets or exceeds FMVSS 108, CMVSS 108, DOT, and SAE standards (marked S2, I6, R, A, L, T) for commercial transport vehicle compliance.
Truck-Lite 4027D Signal-Stat Incandescent Red/Clear Rectangular Universal Combination Box Light (12V, 3-Stud Mount, Hardwired Stripped Ends, Multi-Function Truck & Trailer Safety Lamp)
Consolidate your rear safety lighting and protect your rig on the highway with the highly versatile Truck-Lite 4027D Signal-Stat Combination Box Light. This rectangular, multi-function utility lamp is an industry-standard choice for owner-operators, commercial fleets, and heavy-duty towing trailers. Designed for universal positioning, it packages five critical rear-end safety functions into one streamlined, heavy-duty housing.
The Truck-Lite 4027D functions simultaneously as a stop light, turn signal, tail light, high-visibility back-up (reverse) light, and an integrated reflex reflector. Built out of a rugged, impact-resistant black Permastat® polycarbonate body, it features a durable, scratch-resistant red and clear acrylic split lens. Engineered for quick, bulletproof retrofitting, this 12V DC lamp is hardwired with three stripped-end lead wires to bypass corrosion-prone plugs and features a secure 3-stud triangular mounting pattern on the back.
Grote: 50972, 50972-5, 509725
Peterson: V445
Standard Ignition: V445
Interchange Part Numbers: TL4027D, TL-4027D, SIG4027D, LIT 4027D, TKL4027D, TK4027D