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Fail-Safe Dual-Bulb System: Utilizes a smart two-bulb configuration—if one bulb fails, the other remains lit. The lamp meets federal safety requirements with only a single bulb active.
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Heavy-Duty Die-Cast Zinc Base: Built with a rugged, metallic die-cast base and an integrated heavy mounting pad to handle extreme structural stress and road debris.
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Vibration-Dampening Shock Mount: Features a specialized internal shock mount system designed to isolate bulbs from severe road shock, drastically improving incandescent lifespans.
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Tool-Free Lens Servicing: A tough rubber O-ring tightly seals the yellow acrylic snap-on lens against dust and moisture, while still allowing fast, tool-free access for bulb replacements.
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Direct Hardwired Wire: Arrives pre-wired with a 1-wire, hardwired lead terminating in a clean, blunt-cut end for direct connection to your vehicle's 12V DC power system.
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Strict Regulatory P2 Standards: Fully meets FMVSS 108 and DOT requirements for P2-rated marker and clearance applications.
Truck-Lite 1203A – Signal-Stat Series, Incandescent, Yellow Rectangular, 2-Bulb, Marker Clearance Light (P2, Bracket Mount, Hardwired, Blunt Cut, 12V)
Keep your commercial truck or trailer visible and DOT-compliant with the ultra-reliable Truck-Lite 1203A Signal-Stat Rectangular Marker Clearance Light. Part of the heavy-duty 26 Series family, this premium 12V incandescent lamp features a robust die-cast zinc base combined with a heavy mounting pad to anchor securely to your vehicle’s exterior.
Engineered with a crucial fail-safe design, the 1203A houses a dual-bulb configuration using two #193 incandescent bulbs. If one bulb burns out on the road, the second bulb remains lit, ensuring your vehicle stays legally illuminated and safe until maintenance can be performed. To minimize fleet downtime, the unit features an internal shock-absorbing mount that extends bulb life by absorbing severe chassis vibrations, alongside an easy-to-service snap-on lens secured by a heavy-duty rubber O-ring.
Truck-Lite: 26303, 1203A3, TRL-1203A
NAPA: LIT1203A
Fleet Interchanges: Direct-fit replacement for standard 2x4 commercial die-cast rectangular clearance light brackets utilizing single-wire blunt cut harnesses.