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Specifications

The HD34003YSMD is a 3-LED amber mini-round clearance marker light, built with Heavy Duty Lighting's reputation for durability and reliability. Measuring only 1.09″ × 0.5″, it fits flush into a ¾″ drilled hole using the included grommet—ideal for tight spaces on trailers, trucks, or utility vehicles.



Designed for 7.5 to 14 V DC systems, it draws a mere 20 mA, combining efficiency with brightness. Its construction features impact-resistant polycarbonate housing and lens, epoxy-sealed electronics, conformally coated PCBs, and hard-wired bullet terminal connectors—ensuring resistance to moisture, vibration, and road wear. Fully compliant with DOT/SAE P2 PC, CE, and RoHS standards, it’s a reliable, high-performance marker light for demanding environments.


Weight
0.5

Compatibility

Freightliner — Mid-1990s to present

International / Navistar — Mid-1990s to present

Kenworth — Mid-1990s to present

Peterbilt — Mid-1990s to present

Mack — Mid-1990s to present

Volvo Trucks — Mid-1990s to present

Western Star — Mid-1990s to present

Sterling (legacy) — 1998–2009

Heavy-duty trailers & vocational equipment (e.g., construction, agriculture, utility) — 1990s to present


Alternative Part Numbers

Heavy Duty Lighting 
 HD34003YSMD
Partsam 3/4" Amber LED Marker Light
SuperBrightLEDs 3/4" Amber LED Marker Light
TMH 50 pcs 3/4" Amber 3 LED Mini Round Trailer Side Marker Indicator Lights

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