Tail Lights & Turn Signals for Heavy-Duty Trucks, Trailers & Equipment

Proper rear lighting and signaling systems are essential for safety, visibility and compliance on heavy-duty trucks, trailers, and equipment. At Custom Truck One Source, our “Tail Lights & Turn Signals” category provides a robust selection of heavy-duty brake, tail, turn-signal and combination lights engineered for commercial vehicles, vocational rigs and equipment fleets operating in demanding conditions.

Why Quality Tail Lights & Signals Matter

Tail lights, brake lights, and turn signals communicate your vehicle’s presence and intent — critical for preventing collisions, especially rear-end accidents and lane changes. High-quality, properly functioning rear lights ensure:

  • Consistent visibility to drivers behind in all conditions (night, weather, heavy load, equipment operation).

  • Clear signaling of braking or direction changes to improve safety — turn signals reduce crash risk when properly used.

  • Compliance with federal lighting regulations (e.g. FMVSS 108) for tail/stop/turn/parking lamps to maintain legal roadworthiness.

How to Choose the Right Tail/Signal Light for Your Application

When selecting a tail light or turn signal for trucks or equipment, consider these factors:

  • Light type & function: Ensure you have the correct combination of tail light, brake light, turn signal, and, where required, reverse or running-lights depending on the vehicle/use.

  • Brightness & technology: LEDs offer brighter, faster-illuminating, longer-lasting output — improving visibility, reliability and safety especially under heavy-duty conditions.

  • Fitment & mounting type: Choose lights compatible with your vehicle’s make, model, wiring (12 V/24 V), connector type and mounting location (rear bumper, body panel, etc.).

  • Durability for heavy duty service: Select sealed, vibration-resistant housings and weather-proof construction suited for trucks, trailers or equipment exposed to rough roads, debris, moisture and long service hours.

If you’re unsure which tail/turn-signal light fits your application, our parts-specialist team can assist with fitment verification, wiring compatibility and part number cross-reference.

Maintenance Tips & Replacement Indicators

  • Regularly inspect tail and signal lights for cracked lenses, clouding, moisture or corrosion — even small damage can reduce visibility or lead to failure under load.

  • If lights appear dim, flicker, respond slowly, or fail to illuminate under braking/signaling, replace immediately — delayed or weak signals dramatically increase accident risk.

  • During body, trailer or equipment work, examine wiring, mounting hardware and ground connections. Replace or upgrade lights proactively rather than waiting for full failure.

  • For fleets — log installation dates and service intervals to ensure tail & signal lights remain reliable, especially under heavy-duty cycling.

Why Choose Custom Truck One Source

  • We offer a wide inventory of heavy-duty tail lights and turn-signal assemblies designed for commercial trucks, trailers, and equipment — including LED, sealed-beam, combination and retrofit options.

  • Nationwide distribution and fast shipping help minimize downtime for fleets, service rigs or heavy-haul operations.

  • Our parts-specialist team knows heavy-duty lighting requirements and regulatory standards — we help you choose correct lights for compliance, reliability and safety.

  • Competitive pricing, strong stock levels, and easy filtering make finding and ordering the right tail/turn light simple and confident.

Browse & Order Today

Explore our selection of heavy-duty tail lights and turn signals — filter by application (tail, brake, turn, combination), technology (LED, halogen), voltage, part-number or vehicle type. Place your order online or call our parts team at 877-831-0572 for help with compatibility, installation or tech support.

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Item # 820R-7
820R-7
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54233
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564.46081
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Item # 170.002413A
170.002413A
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564.59066
Dimensions7.375"L x 4.578"W x 2.531"H
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571.LD40CR24-K
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571.LD40CR24
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M826R-7
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170.228600
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53762
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571.LD502R40
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571.LD60CR24-K
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M440L
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54342
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571.LD60RW30
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571.LD40RW14
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44322R
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53302
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M882-7
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G5300
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94706LK
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4019RLK
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577.46003
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94993LK
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577.46001
Dimensions12"L x 4.8"W x 4"H
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