Round Stop Tail Turn Light
The HD40040R Round Stop Tail Turn Light from Heavy Duty Lighting, available at Wofford Truck Parts, delivers reliable visibility with its 40 bright 5 mm red LEDs housed in a 4.29″ diameter convex dot lens. Designed for rugged use, it runs at 7.5–14 V, draws 270 mA for stop/turn and 30 mA for tail, and features epoxy-encapsulated electronics for extreme durability and optimal performance.
$24.50
Specifications
The HD40040R Round Stop Tail Turn Light is engineered for demanding heavy-duty applications. Featuring 40 ultra-bright 5 mm red LEDs behind a convex dot lens, this 4.29″ lamp provides superior optical dispersion for clear stop, tail, and turn signals. Operating across a wide 7.5–14 VDC range, it draws 270 mA when used for stop/turn and 30 mA for tail lighting. The epoxy-encapsulated electronics deliver exceptional protection against moisture and vibration, while the industry-standard PL3 connector ensures easy installation. Ideal for trucks, trailers, and other commercial vehicles, the HD40040R combines durability, visibility, and energy efficiency, making it a go-to choice for trusted lighting performance.
Compatibility
Freightliner — most models (~1990s–present) using 4" round grommets
International/Navistar — many models (~1990s–present)
Kenworth — many models (~1990s–present). (industry-standard 4" grommet usage)
Peterbilt — many models (~1990s–present). (industry-standard 4" grommet usage)
Mack — many models (~1990s–present)
Volvo Trucks NA — many models (~1990s–present). (industry-standard 4" grommet usage)
Western Star — many models (~1990s–present). (industry-standard 4" grommet usage)
Sterling (legacy) — models from its production era with 4" rounds. (industry-standard usage)
Hino / Autocar — select models with 4" rounds. (industry-standard usage)
Trailers: Great Dane, Utility, Wabash, Stoughton, Fontaine, Vanguard, Hyundai Translead, etc. (~1990s–present)
Alternative Part Numbers
Automann
571.LG40R
AM571LG40R
Bendix
52772GR0
Freightliner (OE labels)
40202R
40242R
40282R
841340202RP
841340242R
841340242RP
Grote (incandescent/LED)
52772 (incandescent 4" STT)
53252 (LED 10-diode 4" STT)
53312 (LED full-pattern 4" STT)
Mack (OE label)
8413-40202R
Navistar (OE label)
1618936C1
Optronics
ST45RB
Peterson (incandescent/LED family)
426R (incandescent 4" STT)
V426R (variant)
LED 4" STT family examples: 817R-9 / 817KR-9 / 824R-7 / 418R (series)
Truck-Lite (incandescent/LED)
40202R (40-Series incandescent 4" STT)
44202R (Super 44 LED 4" STT)
family variants: 40242R / 40282R (related 4" STT)
