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Ultra-Slim Profile Fitment: The narrow 1" x 4" class body is engineered explicitly for narrow structural channels and trailer side rails requiring a minimal physical footprint.
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Dual-Zone Geometric Compliance: Engineered with advanced optics that satisfy federal FMVSS 108 requirements for both P2 and PC combination clearance/marker light applications.
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Corrosion-Proof ABS Base: Molded from premium, impact-resistant ABS plastic that shields internal electrical components while remaining immune to rust and harsh weather elements.
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Tool-Free Snap-On Lens: The high-visibility yellow acrylic lens snaps firmly into place over the base, allowing lightning-fast bulb access without requiring specialized tools or screwdrivers.
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Flexible Orientation Mounting: Symmetrical design allows the lamp assembly to be securely mounted either horizontally or vertically depending on your fleet body's silhouette needs.
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Permanent Hardwired Splice: Pre-wired with an 18-gauge single-wire pigtail lead with a stripped end for a permanent, reliable, and moisture-resistant electrical connection to your 12V DC system.
Truck-Lite 1555A – Signal-Stat Slimline Series, Incandescent, Yellow Oval, 1-Bulb, Marker Clearance Light (P2, PC Rated, 2-Screw Surface Mount, Hardwired Stripped End, 12V)
Fulfill critical geometric safety regulations on highly restricted spatial contours with the Truck-Lite 1555A Signal-Stat Slimline Yellow Oval Marker Clearance Light. Part of the specialized 1" x 4" class subgroup, this 12V incandescent marker lamp features an ultra-slender, aerodynamic low-profile architecture engineered explicitly to accommodate tight top headers, narrow perimeter rails, or recessed channels where standard commercial trailer lamps simply cannot mount.
Built with utility and long service lifetimes in mind, the 1555A utilizes a non-corrosive, high-impact black ABS plastic mounting base that provides superior structural strength and completely eliminates the risk of rust, pitting, or chemical degradation from road salt. The high-visibility yellow/amber acrylic lens features an advanced snap-on/snap-off retention mechanism that provides tool-free, immediate access to internal components. This service-friendly design allows fleet drivers or yard mechanics to execute lightning-fast incandescent single-bulb replacements during pre-trip inspections without unbolting hardware. Thanks to advanced dual-zone lens optics, this light achieves legal SAE PC-rating compliance, allowing it to satisfy both front clearance and side marker mandates simultaneously when positioned on a 45-degree vehicle corner footprint.
Truck-Lite / Signal-Stat: 1555A3, 1555A-3, TRL-1555A, LIT1555A, TK1555A
NAPA: LIT1555A
TruckPro: TK1555A
Fleet Interchanges: Universal replacement for standard 1x4 class narrow-channel commercial trailer marker and clearance configurations utilizing a 2-screw surface mount and single-wire stripped pigtail layout.