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Universal 2" Fitment: The ideal go-to replacement marker lamp for heavy-duty commercial semi-trucks, box trucks, and vocational trailers.
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15,000-Hour Filament Life: Engineered with an advanced, long-life 12V bulb to drastically lower vehicle service intervals and fleet overhead.
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Hermetically Sealed Design: Sonic-welded polycarbonate body creates an impenetrable shield against water, dust, and weather hazards.
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Plug-and-Play PL-10 Fitment: Uses a standard 2-prong female connection style for quick, tool-free installation and replacement.
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Wabash & Monon Retrofit: Direct drop-in factory replacement style for standard fleet trailer body configurations and older Signal-Stat 1030 series lamps.
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P2-Rated Performance: Fully compliant with strict safety regulations for clearance and marker lamp applications.
Truck-Lite 30204Y 30 Series Yellow Round Incandescent Marker Clearance Light – 1 Bulb, Sealed 2" Round, P2 Rated, PL-10, 12V
Maintain high road visibility and fleet regulatory compliance with the industry-trusted Truck-Lite 30204Y 30 Series Yellow Round Incandescent Marker Clearance Light. Widely recognized as a staple 2" round clearance lamp within the commercial trucking and heavy-duty transport industries, this 12V safety light is built to endure the most demanding over-the-road hauling environments.
Whether you need a premium direct replacement lamp for Wabash and Monon equipment, or an essential side marker upgrade for your multi-use utility trailer, the Truck-Lite 30204Y delivers a steady, high-visibility yellow/amber glow to keep you safe through every mile.
Engineered for Resilience & Easy Wiring
The Truck-Lite 30204Y is purpose-built to minimize maintenance costs and maximize vehicle uptime. Inside, it features a heavy-duty, premium single-bulb filament engineered to provide a staggering 15,000-hour-rated service life, far outlasting standard off-brand incandescent options.
Its high-impact yellow polycarbonate lens and housing are sonically welded together to form a permanently hermetically sealed barrier. This airtight architecture blocks out moisture intrusion, dirt, dust, and corrosive road chemicals to protect the internal bulb from short-circuiting. Outfitted with an industry-standard PL-10 2-prong lamp connection, this 2" round light plugs seamlessly into your existing wiring harnesses when paired with a standard rubber grommet mount.