Round Backup Light

The HD40040W Round Backup Light from Heavy Duty Lighting, available at Wofford Truck Parts, delivers powerful white LED illumination via 40 ultra-bright 5 mm diodes behind a clear convex dot lens. Tailored for 12 V systems (7.5–14 V), it draws just 280 mA and features a sealed polycarbonate housing with a standard PL-3 connector. Built tough to outlast the road.

Heavy Duty Lighting Part No: HD40040W

$34.13

Specifications

The HD40040W Round Backup Light blends performance and durability for demanding vehicle lighting applications. It features 40 high-output 5 mm white LEDs beneath a clear convex dot lens, engineered for superior light projection. Built for 7.5–14 VDC systems, this lamp draws a modest 280 mA while delivering exceptional visibility when backing. The fully sealed polycarbonate lens and housing resist moisture and corrosion, while the conformally coated circuit board ensures longevity. A standard PL-3 connector allows for seamless replacement or retrofitting. Compact and rugged, the HD40040W offers long life — up to 100,000 hours — and pairs with optional accessories like grommets, chrome covers, flanges, and connectors to fit any build. Ideal for trucks, trailers, and commercial fleet service.

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., service bodies, utility, agriculture) — 1990s to present

Alternative Part Numbers

Heavy Duty Lighting
HD40040W
Buyers Products – 4″ Round Backup Light with 24 LEDs, clear lens, PL-2 connector
Imperial – 4″ Round White Incandescent Backup Light (P/N 81766), cross-ref: 40204
Truck-Lite – 40 Series Clear Round Backup Light (incandescent, grommet mount, PL-2)