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The Guardian Steel Shield: The heavy-gauge armored silver steel deflector guard absorbs physical impacts, protecting the internal lens and bulb from roadside obstacles.
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Vibration-Dampening Design: An integrated internal pressure pad cushions the incandescent bulb against harsh road vibrations while sealing out environmental elements.
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PC Dual-Zone Compliance: Advanced optics meet FMVSS 108 standards for PC-rated configurations, allowing the unit to serve simultaneously as both a clearance and side marker light when installed properly.
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Quick-Click Lens Assembly: Features a rapid-release lens mechanism, minimizing maintenance downtime by enabling fast bulb swaps without removing the primary housing.
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Secure Hardwired Installation: Comes pre-wired with an 18-gauge, 3-inch stripped-end pigtail lead for a reliable, direct electrical connection to your 12V DC system.
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Rigid 4-Screw Mount: A robust four-hole mounting footprint ensures the silver housing remains securely anchored to flat truck or trailer walls.
Truck-Lite 1105A – Signal-Stat Series, "The Guardian" Incandescent, Yellow Rectangular, 1-Bulb, Marker Clearance Light (PC, Silver Steel 4-Screw Mount, Hardwired, 12V)
Protect your commercial vehicle's lighting from impact damage with the heavy-duty Truck-Lite 1105A Signal-Stat "The Guardian" Rectangular Marker Clearance Light. Purpose-built for demanding fleet operations, heavy-duty trailers, and vocational trucks, this 12V incandescent lamp features a rugged "deflector" design. Its heavy-gauge silver steel housing surrounds the lens, physically deflecting low-hanging branches, loading dock scrapes, and airborne road debris to ensure continuous operation and regulatory compliance.
Internally, the 1105A is designed to withstand severe road environments. It utilizes a field-proven, single-bulb incandescent system cushioned by an integrated internal pressure pad. This specialized pad absorbs continuous chassis vibrations—significantly extending the bulb's operational lifespan—while providing a tight seal for the high-impact yellow polycarbonate lens against water intrusion, road salt, and dust. Maintenance is simple and efficient thanks to a "Quick-Click" lens mechanism that allows for fast bulb replacement without requiring total disassembly of the heavy-duty steel housing.
Truck-Lite: 1105A3, 1105A-3, 1105ATL
NAPA: LIT1105A
Fleet Interchanges: Fits standard commercial 4-screw armored deflector marker configurations utilizing rectangular lens profiles.