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LED Trailer Clearance or Side Marker Light with Reflex Reflector - 2 Diodes - Red Lens
Command Electronics

LED Trailer Clearance or Side Marker Light with Reflex Reflector - 2 Diodes - Red Lens

Part Number: 328-K-59LB
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$14.36
Retail:$16.11
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3-7/8" x 1-7/8". Trailer light with reflector functions as a clearance or side marker light. Durable polycarbonate base and lens. Mounts on surface of trailer - hardware not included. 2-Wire pigtail. P2 rated. Great Prices for the best trailer lights from Command Electronics. LED Trailer Clearance or Side Marker Light with Reflex Reflector - 2 Diodes - Red Lens part number 328-K-59LB can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Command Electronics Trailer Lights - 328-K-59LB

Highlights

  • Long-Lasting Light: LEDs last 50 times longer than bulbs, so you won't deal with replacements.
  • Brighter With Less Power: 2 red diodes draw only 0.05 amps at 12V for efficient lighting.
  • Built-In Reflector: Reflex reflector adds visibility without needing a separate reflector.
  • Simple Surface Mount: Installs flat against the trailer with a 5/8" wiring hole and 2-wire pigtail.
  • Compact Fit: Measures 3-7/8" x 1-7/8" x 15/16" to fit tight spaces cleanly.
  • Road Legal Coverage: P2 rated with DOT and SAE compliance for safe, visible operation.
Made in USA

Features to know about

Brighter and More Efficient Lighting: Dual-Diode LED Design

Older incandescent lights can fade or burn out quickly. This light uses 2 red LEDs that shine brighter while drawing less power—just 0.05 amps at 12V. You get a crisp, clean red glow that lasts up to 50 times longer than bulbs with filaments. It’s a simple way to boost visibility and reduce maintenance without stressing your wiring or battery.

Simple Surface Mount: Clean, Flat Installation

Mounting doesn’t get much easier. At 3-7/8" long x 1-7/8" wide x 15/16" deep, this light lays flat against the trailer surface using mounting holes spaced 3" apart (center to center). Only a 5/8" hole is needed for the wiring base, and the 2-wire pigtail—one power lead, one ground—makes hookup straightforward. Hardware isn’t included, so you can use what best fits your setup.

Built-In Reflex Reflector: No Extra Parts Needed

No need to add a separate reflector. The red acrylic lens has a built-in reflex reflector that meets DOT and SAE standards, keeping things neat while maintaining compliance. It does double duty as either a clearance or side marker light, giving your trailer the visibility it needs day or night.

Durable Construction for Everyday Use: Polycarbonate Base and Lens

Rough roads and vibration can crack weak housings, but this light holds up. The durable polycarbonate base pairs with an acrylic lens for strength and clarity. It’s designed for dependable performance in typical trailering conditions—sturdy enough for daily use, yet lightweight and low-profile.

Focused Coverage Where You Need It: P2-Rated Beam Pattern

For clear, directed lighting where space or placement matters, the P2 rating delivers a 90-degree beam pattern—45 degrees to each side of centerline. That makes it perfect for use as either a clearance or side marker light depending on where you mount it. If both functions are needed, just add another light for full coverage.

Specs

Dimensions

  • Overall dimensions: 3-7/8" long x 1-7/8" wide x 15/16" deep
  • Distance between mounting holes (center to center): 3"

Diagram showing dimensions of Command Electronics red LED trailer clearance or side marker light with reflex reflector and measurement labels.

Electrical

  • Power draw at 12V: 0.05 amps
  • Diodes: 2
  • Wire length: 4-1/2"

Warranty

  • Limited warranty: 1-Year

Diagram showing how a surface-mount trailer light installs flush against the trailer surface using flange and mounting holes for Command Electronics LED clearance light.

K-59LB Command Electronics Modern LED Clearance or Side Marker Light w/ Reflex Reflector - Rectangular - Black Base - Red Lens - Surface Mount - P2 Rated





Video of LED Trailer Clearance or Side Marker Light with Reflex Reflector - 2 Diodes - Red Lens
Video Thumbnail Video Player Dialog

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for LED Trailer Clearance or Side Marker Light with Reflex Reflector Review

Speaker 1: Today we're taking a look at a LED clearance or side marker light with a built in reflux reflected. This small rectangular trailer light functions as both a clearance light and a side marker light when properly mounted. It is an LED light. LEDs make great replacements for incandescent lights. They last longer, they burn brighter, and they're much more efficient. With LEDs you don't have to worry about replacing bulbs or worry about brittle filaments.This unit contains a red lens with the built in reflux reflector.

It has a black mounting base and it mounts directly on the surface of the trailer, hardware not included. You can gain access to the mount holes by taking the lens off and you can do that by placing a flat blade screwdriver right here and just prying the lens off.Now in order to get it to mount flush on the surface of the trailer you will need a hole cut out for the wiring base to pass through. I took a measurement of that, and that will require a minimum of a 5/8th inch diameter hole for this area here to pass through.It's a two wire design, so you have your white wire which is your ground wire, red wire which is the power lead. It is SAE approved and it is a P2 rated light.Taking a look at the overall dimensions real quick, starting with the overall length, measuring from edge to edge going this direction, I got a measurement of 3 and 7/8ths inches. Edge to edge going this direction I got a measurement of about 1 and 7/8ths to 1 and 15/16ths inches.

The overall depth from the very back of base right here to the front of the light is about 13/16ths of an inch deep.The distance between the mount holes is three inches on center, and this unit contains a total of two diodes. We're gonna go ahead and hook it up to power that way you can see what it looks like with power running to it. We'll also turn off our overhead light so you can see it in a lower light setting.So you can see here it sends out a bright, consistent signal. Again, this light contains a total of two diodes, so the multi diode design really helps optimize the overall light output, and with the light on you can really see the reflector that's built into the lens of the unit. Really nice design.That's gonna do it for today's look at the LED clearance or side marker light with the built in reflux reflector..

Customer Satisfaction Score:

Ratings & Reviews

4.8

962 reviews
Review sort icon
3-7/8" x 1-7/8". Trailer light with reflector functions as a clearance or side marker light. Durable polycarbonate base and lens. Mounts on surface of trailer - hardware not included. 2-Wire pigtail. P2 rated.

by:

Exceptional customer service and Quality parts



by:

Direct replacement and easy to install.



by:

Great replacement for my old lights. Thanks for your advice



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Exact replacement, OEM for my RV



by:

Excellent product. Fast shipping. Rec ommended



by:

the etrailer is the best to buy from !!!! everything is A+++++ !!!!! everybody is very professional



by:

Great outfit to deal with, top notch quality and fast shipping. The fit on these parts is oem, looks and works as good as stock.



by:

Exactly as described, price was great, and though this style light was a difficult item to find, etrailer got it to us in 5 days. Thanks!



by:

Good quality light to replace clearance marker lights on a motorcoach.



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OE replacement !!!



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Works great, installation was a breeze, perfect machine to other clearance lights on my camper.



by:

Nearly exact replacement for OEM clearance light on my Jayco Skylark. Only difference is black base vs. white original. White base was available from a different vender at twice the cost.



by:

Gwen with etrailer was the Epitone of what customer service should be! The lights arrived right to my doorstep as promised and the quality is second to none! Of course this the why I will continue to shop etrailer



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no screws and wires not copper



by:

Your company provided exactly the repair parts I needed for my Curt hitch. Was also time to change the red or yellow clearance lights on my motorhome. You had exactly what I needed. Parts arrived quickly and I've already installed them. Thanks for your help.



by:

Great service and great product.



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I bought this side marker light to replace the side rear one I busted on my motorhome. when I made a careless mistake of turning too sharp when exiting a gas station. It is make by the same manufacture who made the original side marker lights on my RV, with the same exact style, the only difference is it has LEDs for the light.

If you are looking to upgrade your side marker lights to all LED, I do not recommend replacing the whole side marker fixture.
If the ones you have are still in good shape, replace only the incandescent 194 bulb, with Phillips 194R Ultinon Red LED bulbs. If you are placing the amber clearance markers use Phillips 194Y Ultinon Amber LED bulbs. It will save you money and labor. One other note on the Phillips 194 Ultinon bulb, you can safely remove the top of the bulb to expose the LED to give more clearance and increase the brightness.



by:

Exact fit.



by:

This was an exact replacement for a rear side marker on my 2016 Evergreen Everlite trailer. It works as expected and I'm a satisfied customer.



by:

These lights were perfect replacements for the original Optronics on our livestock trailer. No problems whatsoever with these new ones.



by:

Great experience & product!!! Fast ship ping!!!



by:

Arrived quickly - excellent communication and quality product.



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A perfect replacement for the original light that went bad



by:

Exact OEM replace. Easy install. I supplied connections and sealant as expected. Replacement completed in about 15 minutes.



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Perfect replacement


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See what our Experts say about this Command Electronics Trailer Lights

  • Recommended 4" x 2" Rectangular Command Trailer Marker/Clearance Light
    It sounds like you're looking for a pretty typical 4" long x 2" wide rectangular trailer marker/clearance light like the LED Trailer Clearance or Side Marker Light part # 328-K-59LB for red or part # 328-K-58LB for amber. If that is the case then we have many options for you from multiple manufactures, of which I have attached below.
    view full answer...
  • LED Red Marker Lights That are Made in the USA
    We do have some red LED clearance lights that are made in the USA. They are made by Command Electronics, and I was able to confirm with the manufacturer that the following lights are in fact made in the USA: - LED Trailer Clearance or Side Marker Light with Reflex Reflector - 2 Diodes - Red Lens # 328-K-59LB - Hot Dot LED Trailer Clearance and Side Marker Light - 2 Diodes - Red Lens # 328-003-17R Both of these lights are surface mounted and have 2-wire leads, with the red wire being...
    view full answer...

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Info for this part was:

Employee Joshua S
Video Edited:
Joshua S
Employee Dustin K
Video by:
Dustin K
Employee Cole B
Installed by:
Cole B
Employee Hayden R
Installed by:
Hayden R
Employee Wilson B
Updated by:
Wilson B
Employee Justice A
Updated by:
Justice A
Employee Daron K
Edited by:
Daron K
Employee Brian T
Written by:
Brian T

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