Electrical & Lights

99 products

  • LED Clearance Light, Clear Lens, 4" Red Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, Clear Lens, 4" Red

    Rectangular light functions either as a clearance or side marker light. Clear lens design w/ 6 red LED's features sonically sealed and waterproof lens and housing in a single unit. Details/Specs: Mounts on standard 3" centers A mounting bracket and plug are required to complete the installation Dimensions: 3 15/16" L x 1 1/4" W x 7/8" D Manufacturer: OptronicsPart No: MCL-65CRB

    $9.99

  • Optronics ST33RB Tail Light Optronics ST33RB Tail Light

    Optronics Optronics 3-Function Tail Light, Red 12V (ST33RB)

    This Optronics ST33RB Tail Light is a 3-function light designed for stop, turn, and tail signals. Engineered with a sonically sealed, waterproof polycarbonate housing and lens, this red 12V light is ideal for heavy-duty trailer applications. Its shockproof socket ensures bulb longevity, providing reliable performance in tough conditions. Features 3-Function Operation: Acts as a stop, turn, and tail light for enhanced safety. Waterproof Sealing: Sonically sealed lens and housing prevent moisture damage. Durable Build: Polycarbonate construction with a shockproof socket for extended bulb life. Standard Fit: Compatible with industry-standard 3-prong plugs; requires a mounting grommet and plug for complete installation. Specifications Dimensions: 5 5/16" L x 3 7/16" W x 1 15/16" D Mount: Grommet Connection: PL-3 Voltage: 12V Amp Draw: 0.49 amps Warranty: 3-Year Warranty

    $9.99

  • LED Clearance Light, Parking/Turn Signal, 4” Amber Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, Parking/Turn Signal, 4” Amber

    10-diode LED parking/turn signal light. Features sonically sealed, waterproof lens and housing in a single unit. All-weather molded plastic housing and durable lens protect against corrosion. Details/Specs: Accepts industry standard 3-prong plug for easy retrofit of incandescent lights Requires mounting grommet and plug for complete installation Manufacturer: OptronicsPart No: STL-43AB

    $15.49

  • 4-way Flat Molded Trailer Wiring Connector Extension, 4ft

    Nationwide Trailers Parts 4-way Flat Molded Trailer Wiring Connector Extension, 4ft

    Extend your trailer’s wiring reach with the 4-Way Flat Trailer Wiring Connector Extension. This 4-foot harness provides extra length for hassle-free connections, ideal for trailers requiring a bit more flexibility. The durable molded design ensures weather resistance, protecting against corrosion and wear for reliable performance. Features 4-Foot Extension: Adds length to your existing 4-way flat connector for easy access. Weather-Resistant: Molded to resist moisture and withstand harsh conditions. Universal Fit: Compatible with standard 4-way flat trailer plugs. Why Choose This Connector Extension? Enhanced Flexibility: Offers extra reach for a secure connection. Durable and Reliable: Withstands outdoor elements for long-term use.

    $10.49

  • Grommet, ST33 Series Lights Lights & Electrical Nationwide Trailers Parts Store

    Optronics Grommet, ST33 Series Lights

    Black PVC grommet allows flush mount of ST/STL33 series lights. Provides shock protection to lengthen lamp life. Details/Specs: Dimensions: 6 1/4" L x 4 3/8" W x 1 11/16" D Manufacturer: OptronicsPart No: A-33GB

    $4.49

  • Connector Socket w/ Mounting Bracket- 7-Way & 4-Way Trailer - Vehicle End Lights & Electrical Nationwide Trailers Parts Store Connector Socket w/ Mounting Bracket- 7-Way & 4-Way Trailer - Vehicle End Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Connector Socket w/ Mounting Bracket- 7-Way & 4-Way Trailer - Vehicle End

    This 7-way & 4-way trailer connector eliminates the need for an adapter. Allows you to tow a trailer with either a 7 or 4-pole plug. Socket connects to your vehicle's OEM wiring system. Has high-impact ABS plastic construction. Details/Specs: Replaces factory 7-way connector on Chevrolet, Ford, GMC and Nissan trucks and SUVs Can be used to add a connector to 2003 and newer GM pickups and SUVs Bracket dimensions: 4-3/4" L x 3-1/16" T x 1-3/4" D Distance between mounting holes (center to center): 2-3/8" Stainless steel spring for easy cover operation Rubber gasket provides weather-resistant design Includes black epoxy-coated steel mounting bracket for easy snap-in socket installation Mounts to bumper with included screws. 1-Year limited warranty. Manufacturer: HopkinsManufacturer's Part Number: 40975

    $42.99

  • Connector Plug, 6-Way

    Nationwide Trailers Parts Store Connector Plug, 6-Way

    6-way round zinc trailer end plug. 7/8 inch diameter. Manufacturer: Buyer'sPart No: TC-2006

    $9.99

  • Connector Plug, 4-Way Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Connector Plug, 4-Way

    Heavy-duty, metal, 4-pole plug connects trailer to socket on tow vehicle. Details/Specs: Round, solid brass terminal pins Zinc, die-cast housing for durability Finger grips make insertion and removal easy Cable lock with plated steel retainer screw High-impact, ABS thermoplastic interior Interchangeable with competitive brands Manufacturer: PollackPart No: 11-40

    $9.99

  • Optronics MCL81RB LED Clearance Light Optronics MCL81RB LED Clearance Light

    Optronics Optronics LED Clearance/Side Marker Light with Chrome Housing – Red 12V (MCL81RB)

    The Optronics MCL81RB offers a sleek, chrome-plated design with a 6-diode LED setup, providing both clearance and side marker lighting in a single unit. This PC-rated light functions as a dual-purpose marker when mounted at a 45° angle, with a snap-on, replaceable lens for easy maintenance. Its durable, all-weather ABS housing and polycarbonate lens ensure reliable performance in any environment. Features 6-Diode LED Illumination: Bright, efficient lighting for enhanced visibility. Chrome-Plated Housing: Adds style while resisting corrosion. PC-Rated Dual Functionality: Serves as a clearance and side marker light at a 45° mounting angle. Replaceable Lens: Snap-on design for easy lens replacements. Hard-Wired Connection: Equipped with lead and ground wires for secure mounting. Details Diodes: 6Mount: SurfaceConnection: Hard WiredHousing: ABSLens: PolycarbonateVoltage: 12VAmp Draw: 0.153Warranty: Lifetime LED WarrantyDimensions (W x H x D): 4.781 x 2.125 x 1.375 Optronics Part No: MCL81RB

    $12.49

  • 6-Way Round To 4-Way Flat RV Adapter Lights & Electrical Nationwide Trailers Parts Store

    Curt CURT 6-Way Round To 4-Way Flat RV Adapter

    6-way round vehicle end electrical adapter converts 6-way round to a 4-way flat or 7-way RV plug. Manufacturer: CurtPart No: 57624

    $12.99

  • 6-Way Round to 7-Way Blade RV Adapter

    Nationwide Trailers Parts Store 6-Way Round to 7-Way Blade RV Adapter

    Adapter converts 6-way wiring connector on your vehicle to 7-way flat connector for trailers. Manufacturer: HopkinsPart No: 47435

    $21.49

  • Sale -8% 7-way RV to 6-way round & 4-way flat adapter

    Nationwide Trailers Parts Store 7-way RV to 6-way round & 4-way flat adapter

    Adapts a 7 RV blade to BOTH a 6-round AND a 4-wire flat. Universal - Center pin can be switched to electric brake.

    $35.99 $32.99

  • LED Magnetic Mount Beacon Light Lights & Electrical Nationwide Trailers Parts Store LED Magnetic Mount Beacon Light Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store LED Magnetic Mount Beacon Light

    Easy setup when you need it and easily removed when you don't. Buyers Products Portable 72 LED Beacon runs on four AA batteries and can be used for multiple applications, such as roadside and personal visibility. The beacon features a magnetic base and built-in switch. Details/Specs: 72 LEDs Dimensions: 5.625" x 4.625" Amps/Volts: 0.2 Amps @ 6V Amber Lens Built-in switch Battery powered (4 AA)

    $35.49

  • Trailer Battery Cable - Red Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Trailer Battery Cable - Red

    Red 2-gauge Starter Ground Thermoplastic (SGT) insulated trailer battery cable. Details/Specs: Conductor meets SAE J1127 specifications Rated at 60V 105°C (221°F) 100% copper conductor RoHS compliant Priced per foot

    $3.99

  • Trailer Battery Cable - Black Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Trailer Battery Cable - Black

    Black 2-gauge Starter Ground Thermoplastic (SGT) insulated trailer battery cable. Details/Specs: Conductor meets SAE J1127 specifications. Rated at 60V 105°C (221°F) 100% copper conductor RoHS compliant Priced per foot

    $3.99

  • Optronics MCL36RB LED Clearance Light Optronics MCL36RB LED Clearance Light

    Optronics Optronics Square LED Clearance/Side Marker Light with Reflector – Red 12V (MCL36RB)

    Enhance your trailer’s visibility with the Optronics MCL36RB Square LED Clearance Light, featuring a built-in reflector to meet DOT requirements. Equipped with 6 bright diodes, this red LED light functions as both a clearance and side marker light. Its durable, all-weather plastic housing and screw-on, replaceable lens make it ideal for long-term use in various conditions. Features 6-Diode LED Design: Delivers reliable, bright illumination with minimal power draw (0.054 amps). Integrated Reflector: Reflectorized lens eliminates the need for a separate reflector to meet DOT standards. Weather-Resistant Housing: Molded ABS housing and acrylic lens resist corrosion. Easy Installation: Stud mount with lead and ground wires for universal application. Details Color: RedDiodes: 6Mount: StudConnection: Hard WiredHousing: ABSLens: AcrylicVoltage: 12VAmp Draw: .054Warranty: Lifetime LED WarrantyDimensions (W x H x D): 2.875 x 2.125 x 0.938 Optronics Part No: MCL36RB

    $7.99

  • Plug and Socket Extension, 5-Way, 4' Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Plug and Socket Extension, 5-Way, 4'

    5-way flat wiring harness extends your current 5-way connector 4'.

    $10.49

  • LED Clearance Light, Mini Thinline, Amber Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, Mini Thinline, Amber

    Single diode design provides a DOT compliant, entry level LED light. Features sonically sealed, waterproof lens and housing in a single unit. Details/Specs: Accepts industry standard 2-prong plug for easy retrofit of incandescent lights Dimensions: 2 1/2" L x 1 1/4" W x 1" D Manufacturer: OptronicsPart No: AL-90AB

    $4.49

  • Optronics MCL13R2B LED Clearance Light Optronics MCL13R2B LED Clearance Light

    Optronics Optronics Mini Clearance Light, Red LED (MCL13R2B)

    Upgrade your trailer’s visibility with the Optronics MCL13R2B Mini Clearance Light. This aerodynamic red LED light offers a consistent, even light spread, making it an excellent choice for clearance and side marker applications. Featuring a sonically sealed, waterproof polycarbonate lens and housing, it’s designed for durability in all weather conditions. Features 2-Diode LED Design: Bright, even light output with minimal power draw (0.046 amps). Waterproof & Sealed: Resists moisture and debris for long-lasting performance. Surface Mount: Single-wire connection, grounding through the mounting hardware. Why Choose This Light? Compact & Aerodynamic: Fits seamlessly onto any trailer for enhanced visibility. Lifetime LED Warranty: Ensures reliability and durability over time. Details Diodes: 2Mount: SurfaceConnection: Hard WiredHousing: PolycarbonateLens: PolycarbonateVoltage: 12VAmp Draw: 0.046Warranty: Lifetime LED WarrantyDimensions (W x H x D): 2.5 x 1.063 x 0.688 Optronics Part No: MCL13R2B

    $9.99

  • Optronics MCL13A2B LED Clearance Light Optronics MCL13A2B LED Clearance Light

    Optronics Optronics MCL13A2B LED Clearance Light, Mini, Amber 12V

    The aerodynamic design is not only brighter than its predecessor (MCL-13AB), but also has a more consistent, even spread of light output. 2-diode surface mount design features sonically sealed, waterproof lens and housing in a single unit. Details/Specs: Single wire design grounds through mounting hardware Color: YellowDiodes: 2Mount: SurfaceConnection: Hard WiredHousing Material: PolycarbonateLens Material: PolycarbonateVoltage: 12VAmp Draw: 0.046Warranty: Lifetime LED WarrantyDimensions (W x H x D): 2.5 x 1.063 x 0.688 Manufacturer: OptronicsPart No: MCL13A2B

    $9.99

  • LED Light, Utility, 4" Clear Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Light, Utility, 4" Clear

    Sealed flush mount LED utility light. 10 super diodes for exceptional brightness and performance. Features sonically sealed, waterproof lens and housing in a single unit. Details/Specs: All-weather molded plastic housing and durable lens protect against corrosion Requires mounting grommet and plug for complete installation Manufacturer: OptronicsPart No: BUL-43CB

    $29.99

  • Tail Light, 4" Red Lights & Electrical Nationwide Trailers Parts Store

    Optronics Tail Light, 4" Red

    Sealed red stop/turn/tail light for flush mount. Features sonically sealed, waterproof lens and housing in a single unit. Details/Specs: Shock proof socket guarantees long bulb life Accepts industry standard 3-prong plug Requires mounting grommet and plug for complete installation Manufacturer: OptronicsPart No: ST-45RB

    $8.95

  • LED Back-up Light, Miro-flex, 3-Function, Clear Lens Lights & Electrical Nationwide Trailers Parts Store LED Back-up Light, Miro-flex, 3-Function, Clear Lens Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Back-up Light, Miro-flex, 3-Function, Clear Lens

    Flush mount clear back-up light has 16 diodes for bright dependable performance. Features sonically sealed, waterproof lens and housing in a single unit. Features all-weather molded plastic housing and durable lens to protect against corrosion. Details/Specs: Accepts industry standard 3-prong plug for easy retrofit of incandescent lights Requires mounting grommet and plug for complete installation Dimensions: 5 5/16" L x 3 7/16" W x 2 5/16" D Manufacturer: OptronicsPart No: BUL35CB

    $36.49

  • LED Clearance Light, Beehive Marker, 2" Amber Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, Beehive Marker, 2" Amber

    2" beehive style clearance/marker or rear tracking light. 8-diode LED features sonically sealed, waterproof lens and housing in a single unit. Requires 2-prong plug. Manufacturer: OptronicsPart No: MCL-21AB

    $9.99


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Trailer Lights & Electrical Accessories

Trailer Lights & Electrical Parts Collection

Nationwide Trailers offers a comprehensive collection of trailer lights and electrical parts, essential for keeping your trailer safe and road-ready. Whether you’re looking to upgrade your trailer’s lighting with energy-efficient LEDs, replace worn-out wiring, or secure reliable connectors, our collection has everything you need. We stock lights and electrical components compatible with popular trailer brands like PJ Trailers and LoneStar Trailers, ensuring you find the right parts that meet your trailer’s specifications.

Our lights and electrical parts selection includes LED and incandescent lights, trailer wiring harnesses, connectors, adapters, and battery accessories—all designed for durability in tough road and weather conditions. Proper lighting and electrical systems are crucial for visibility and safety, and our products ensure your trailer remains fully functional and compliant with road safety standards.

Not sure which electrical component or lighting solution is best for your trailer? The knowledgeable team at Nationwide Trailers is here to help you choose the parts that best suit your needs, whether you’re outfitting a utility, cargo, or flatbed trailer.

 

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