Lighting Solutions for Heavy-Duty Trucks & Equipment

From headlamps and marker lights to work lamps, light bars and specialty lighting, reliable illumination is essential for safe, efficient operation of trucks, trailers and heavy equipment. At Custom Truck One Source, our “Lights” category offers a comprehensive inventory of lighting products engineered for commercial-vehicle duty-cycles where durability, visibility and uptime matter.

Why Quality Lighting Matters

Proper lighting ensures safety, regulatory compliance, operator comfort and productivity—especially in demanding environments such as night operations, off-road service, heavy-haul, utility trucks or vocational rigs. High-quality lighting:

  • Delivers strong, consistent beam patterns and signal visibility in adverse conditions (snow, dust, rain, fog).

  • Uses durable materials, sealed housings, vibration-resistant mounts and heavy-duty construction built for truck- and equipment-service life.

  • Reduces maintenance and downtime through long-life technologies (LED, sealed units) and superior build quality.

How to Choose the Right Lighting Product for Your Application

When selecting lighting for truck or equipment use, consider these key factors:

  • Application & beam pattern: Determine if you need work-body illumination (flood), forward driving (spot), marker/clearance (wide-angle), auxiliary lighting or signaling.

  • Voltage, mounting & compatibility: Confirm the unit matches your vehicle’s system (12 V, 24 V), mounting location (roof, bumper, bed, rail) and connector style.

  • Durability & duty rating: For heavy-haul, utility or off-road service choose lights rated for vibration, wide temperature range, sealed enclosures and heavy-use hours.

  • Compliance & visibility: Ensure your lighting meets applicable standards (DOT, SAE) for your role and application.

If you’re unsure which lighting product fits your application, our parts-specialist team is ready to assist with fitment verification, application matching and spec cross-reference.

Maintenance Tips & Replacement Indicators

To keep your lighting reliable and avoid unexpected failures:

  • Regularly inspect lenses and housings for cracks, clouding, moisture ingress or corrosion.

  • Monitor performance—if lighting seems dimmer, exhibits flicker, or beam pattern shifts under use, it’s time for service or replacement.

  • During body or chassis service (truck or trailer), inspect or upgrade lighting mounts and wiring while access is available—prevention minimizes downtime.

  • Document lighting installation dates, hours of service and maintenance history—especially for fleets.

Why Choose Custom Truck One Source

  • We provide a wide-ranging inventory of heavy-duty lighting products for trucks, trailers and equipment—including headlamps, marker and clearance lights, work lamps, LED lighting, light bars and more.

  • Our nationwide distribution network ensures fast shipping and minimized operational downtime.

  • Our parts-specialist team has deep experience with commercial vehicle lighting applications and can help you select the correct product, verify fitment and ensure long-term reliability.

  • Competitive pricing, strong inventory, and intuitive online filtering tools help you find and order the right lighting solution quickly and confidently.

Browse & Order Today

Explore our full selection of heavy-duty lighting solutions—filter by application, mounting style, voltage, beam type, part number or brand. Place your order online or call our parts team at 877-831-0572 for assistance with specification matching and technical support.

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Item # G1033
G1033
Dimensions2.37"L x 2.37"W x 2.37"H
Weight0.08 LB
Unit of MeasureEach
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Item # M129R
M129R
Dimensions3"L x 0.7"W x 1.96"H
Weight0.08 LB
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Item # M119R
M119R
Dimensions4.54"L x 1.3"W x 2.14"H
Weight0.48 LB
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Item # M163A
M163A
Dimensions2.5"L x 0.81"W x 2.5"H
Weight0.09 LB
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Item # M163R
M163R
Dimensions2.5"L x 1.54"W x 2.5"H
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Item # M168R
M168R
Dimensions2.75"L x 0.63"W x 0.75"H
Weight0.04 LB
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Item # M171R
M171R
Dimensions1.07"L x 0.63"W x 1.07"H
Weight0.03 LB
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Item # M187A
M187A
Dimensions6"L x 1.54"W x 2.04"H
Weight0.26 LB
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Item # M436
M436
Dimensions4"L x 2.35"W x 1.75"H
Weight0.20 LB
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Item # 444926TU
444926TU
Dimensions7.99"L x 7.99"W x 1.5"H
Weight0.95 LB
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Item # 1032833
1032833
Dimensions3"L x 1.32"W x 0.6"H
Weight0.05 LB
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Item # 11-1650
11-1650
Dimensions3.5"L x 2.75"W x 2"H
Weight1.00 LB
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Item # 15040
15040
Dimensions3.38"L x 2.52"W x 2.32"H
Weight0.22 LB
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Item # 170.228600
170.228600
Dimensions2.77"L x 2.25"W x 2.04"H
Weight0.27 LB
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Item # 19250R
19250R
Dimensions3.78"L x 1.23"W x 0.83"H
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Item # 33250R
33250R
Dimensions8"L x 0.72"W x 0.72"H
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Item # 3811A
3811A
Dimensions6.50"L x 2.00"W x 2.50"H
Weight0.57 LB
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Item # 3910A
3910A
Dimensions5"L x 3"W x 0.4"H
Weight0.25 LB
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Item # 410061TU
410061TU
Dimensions2.5"L x 0.2"W x 0.2"H
Weight0.20 LB
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Item # 44322R
44322R
Dimensions4"L x 4"W x 1.64"H
Weight0.40 LB
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Item # 45853
45853
Dimensions1.25"L x 3.75"W x 5.25"H
Weight0.42 LB
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Item # 49252
49252
Dimensions1"L x 4"W x 1.5"H
Weight0.11 LB
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53762
Dimensions10"L x 2.88"W x 5.35"H
Weight1.05 LB
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Item # 53650
53650
Dimensions6"L x 6.75"W x 6.75"H
Weight1.37 LB
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Item # 54342
54342
Dimensions4.75"L x 4.75"W x 2.25"H
Weight0.23 LB
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