Round Backup Light
The HD40012WSD Round Backup Light by Heavy Duty Lighting—available at Wofford Truck Parts—delivers reliable reverse lighting with 12 bright white Super Duty LEDs housed within a 4.29″ round polycarbonate lens and housing. Designed for 7.5–14 V DC systems, it draws 230 mA and features a standard PL3 connector, convex-dot optics for enhanced dispersion, and fully sealed, conformally coated electronics. Built tough and easy to retrofit for dependable performance.
$24.41
Specifications
The HD40012WSD offers durable and efficient backup lighting in a compact package:
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Powerful Illumination — Equipped with twelve Super Duty white LEDs delivering crisp and clear reverse lighting.
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Efficient Power Use — Compatible with 7.5–14 V DC systems and draws 230 mA for consistent performance.
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Superior Optics — The convex-dot lens optimizes light dispersion and visibility.
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Rugged Construction — Built with impact-resistant polycarbonate housing and lens, and conformally coated electronics for reliable operation in challenging environments. Requires a standard PL3 connector.
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Quick Retrofit Fit — Standard 4.29″ round design ensures easy installation in place of most OEM backup lights.
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Built to Last — Engineered for longevity, this sealed assembly offers extended service life and minimizes maintenance.
Compatibility
Freightliner — ~1995–present (models using 4" round, grommet-mount backup lamps)
International / Navistar — ~1995–present (4" round, PL-3 style)
Kenworth — ~1995–present (industry-standard 4" round backup lamp usage)
Peterbilt — ~1995–present (industry-standard 4" round backup lamp usage)
Mack — ~1995–present (models using 4" round, grommet-mount backup lamps)
Volvo Trucks — ~1996–present (models using 4" round, PL-3 backup lamps)
Western Star — ~1995–present (models using 4" round backup lamps)
Sterling (legacy) — 1998–2009 model years
Various trailers (Great Dane, Utility, Hyundai Translead, Wabash, Fontaine, Stoughton) — ~1990s–present (widespread 4" round + PL-3 usage)
Alternative Part Numbers
HD40012WSD
GM
GM62391
LD
LD40W20
LED
LED4019W
LED
LED40W, LED40W19
LTM
LTM40400
M42450
PTL
PTL4019W, PTL4040W
2450
4060C
44235C
4464W, 4464WD
571LD40W12MV, 571LD40W20
