Semi Truck Trailer Wiring Harness & Parts
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- United Pacific®Housing for Tail Light BarUniversal Housing for Tail Light Bar by United Pacific®. 1 Piece. This tail light bar housing is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.05 - $21.00
- United Pacific®Light SocketUniversal Light Socket by United Pacific®. 1 Piece. This light socket is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...Socket with 60" wireDesigned to deliver trouble-free, consistent performance$5.55 - $7.04
- United Pacific®Marker Light Mount for Marker LightUniversal Marker Light Mount for Marker Light by United Pacific®. 1 Piece. This marker light mount is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.61 - $5.75
- United Pacific®Mount with One 4" Light CutoutUniversal Mount with One 4" Light Cutout by United Pacific®. 1 Piece. This light mount is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.90
- United Pacific®Oval Bezel for Grommet Mounted LightUniversal Oval Bezel for Grommet Mounted Light by United Pacific®. 1 Piece. Plastic. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.75 - $4.00
- United Pacific®Oval Bezel for Oval Snap On LightUniversal Oval Bezel for Oval Snap On Light by United Pacific®. 1 Piece. Plastic. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in...Flange mounting rimDesigned to deliver trouble-free, consistent performance$5.24 - $6.51
- United Pacific®PigtailUniversal Pigtail by United Pacific®. 1 Piece. This pigtail is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet your needs...Right for your vehicle and lifestyle6 months warranty$1.53 - $2.12
- United Pacific®Rectangular Bezel for Dual Headlight with 19 Amber LEDsUniversal Rectangular Bezel with 19 Amber LEDs for Dual Headlight by United Pacific®. 1 Piece. Plastic. This headlight bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.93 - $51.16
- United Pacific®Rectangular Bezel for Small Rectangular Side Marker LightUniversal Rectangular Bezel for Small Rectangular Side Marker Light by United Pacific®. 1 Piece. Plastic. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.02 - $5.28
- United Pacific®Round Bezel for LightUniversal Round Bezel for Light by United Pacific®. 1 Piece. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.55 - $7.38
- United Pacific®Round Bezel for LightUniversal Round Bezel for Light by United Pacific®. 1 Piece. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.28
- United Pacific®Round Bezel for LightUniversal Round Bezel for Light by United Pacific®. 1 Piece. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.28
- United Pacific®Round GrommetUniversal Round Grommet by United Pacific®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Optronics will last a...$1.43 - $1.92
- United Pacific®Square Bezel for LightUniversal Square Bezel for Light by United Pacific®. 1 Piece. Plastic. This bezel is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.08 - $9.79
- United Pacific®Visor for LightUniversal Visor for Light by United Pacific®. 1 Piece. This light visor is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...No lip, pointed lipDesigned to deliver trouble-free, consistent performance$3.28 - $3.73
- United Pacific®Visor for LightUniversal Visor for Light by United Pacific®. 1 Piece. This visor is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.82 - $17.33
- United Pacific®Wire Female AdaptorUniversal Wire Female Adaptor by United Pacific®. 1 Piece. This wire female adaptor is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.96 - $10.00
- United Pacific®Wiring HarnessUniversal Wiring Harness by United Pacific®. 1 Piece. This wiring harness is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...0.180 bullet termination and stripped endDesigned to deliver trouble-free, consistent performance$1.20 - $1.84
- Wesbar®2" Snap-Lock Rectangular Light BaseUniversal 2" Snap-Lock Rectangular Light Base by Wesbar®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It...Designed to safely and efficiently haul your loadsMade from the highest quality materials$3.14 - $3.75
- Wesbar®30 Series Light ModuleUniversal 30 Series Light Module by Wesbar®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet your...Designed to safely and efficiently haul your loadsMade from the highest quality materials$11.44
- Wesbar®37 Series Light ModuleUniversal 37 Series Light Module by Wesbar®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet your...Designed to safely and efficiently haul your loadsMade from the highest quality materials$10.42
- Wesbar®38 Series Light ModuleUniversal 38 Series Light Module by Wesbar®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet your...Designed to safely and efficiently haul your loadsMade from the highest quality materials$37.90
- Wesbar®Light BracketUniversal Light Bracket by Wesbar®. 1 Piece. Plastic. This light bracket is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.96 - $5.12
- Wesbar®Rectangular Light ModuleUniversal Rectangular Light Module by Wesbar®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet your...Designed to safely and efficiently haul your loadsMade from the highest quality materials$31.54 - $35.46
- Kaper II®Screw Mount Clearance Marker Light BasesUniversal Screw Mount Clearance Marker Light Bases by Kaper II®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.97 - $3.22
- Truck-Lite®Wiring HarnessUniversal Wiring Harness by Truck-Lite®. 1 Piece. This wiring harness is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will meet...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.55 - $83.56
- Peterson®142 Series Grommets (B142-18)Universal 142 Series Grommets (B142-18) by Peterson®. Want to raise your trailer's visibility? This Peterson product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The product ensures...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$2.06
- Peterson®142 Series Grommets (142-18)Universal 142 Series Grommets (142-18) by Peterson®. Want to raise your trailer's visibility? This Peterson product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The product ensures...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$12.28
- Peterson®142 Series Grommets (142-18K)Universal 142 Series Grommets (142-18K) by Peterson®. Want to raise your trailer's visibility? This Peterson product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The product ensures...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$14.30
- Peterson®143 Series Grommets (143-18K)Universal 143 Series Grommets (143-18K) by Peterson®. Want to raise your trailer's visibility? This Peterson product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The product ensures...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$14.17
Semi truck trailers are exposed to a tremendous amount of heat and pressure and tons of mud, sand, and debris. All parts of a trailer, including the lighting wiring harness, must be able to withstand the stress they undergo. Failure or damage in any of the components can undermine the lights' performance. We understand the full range of abuse your semi truck trailer endures and offer a range of reliable wires and components to keep your lighting system running, whatever comes your way. Whether you want to replace the old wiring, slightly upgrade the wiring system or get a custom harness assembly, we have you covered.
The wiring harness itself is an organized set of wires, terminals, and connectors that run all the way around the trailer and serve the purpose to carry power and transfer signals to various components of the lighting system, thereby playing a critical role in the overall operation. To put the highest grade products in the hands of our customers, we cooperate with prominent manufacturers using cutting-edge technologies and up-to-date equipment. Apart from wires on our digital shelves, you can find superior lighting modules, adaptor plugs, fuses, and relays. We also provide a host of grommets, brackets, gaskets, snap rings, sleeves, clamps, seals, and many, many more.
All wiring harness and components we offer are made using heavy-duty materials to ensure durability and robustness demanded by harsh driving conditions you face on a day-to-day basis. They are ready to handle high temperatures, vibration, noise, and moisture. The wires will reliably relay signals and electric power, accurately and rapidly assembling connections. Made to strict industry standards with longevity in mind, all products guarantee to faithfully serve you for years to come. So, when looking for reliable harness or wiring components for your trailer lighting system, look no further. We have the products you can trust.
To help you securely connect your wires or cables and provide the terminals with necessary insulation we offer a bunch of high-grade connectors. They are resistant to the harsh environment and water intrusion. On our website, you can also get top-grade grommets used to protect the wires when they are routed through the trailer as well as to waterproof the wires if the sealing agent is provided below it. The grommets are impervious to chemicals, salt sprays, and heat. To support and fix up wires firmly, choose from our first-rate clamps. And to keep cables manageable in the assembly, get superior wire harness clips.
Apart from high dependability, the wires ensure ease of use and maximum effectiveness. They offer effortless and worry-free installation that won't take much of your time. You will be able to quickly connect the wires of all your trailer lights and enjoy their smooth, consistent performance. Whether you need to connect the tail, tow, turn signal, reverse, or clearance and marker lights, we have the right wires to meet your needs. And don't forget about numerous high-grade wiring components we stock. They will help you complete your replacement project or custom upgrade of your trailer lighting system.