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

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

Item # 328-K-52
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3-3/4" x 1-5/8" Oval. 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. Lowest 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-52 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (25)
  • Q & A (1)
  • Videos (1)
  • Photos
  • Why etrailer?

Command Electronics Trailer Lights - 328-K-52

  • Clearance Lights
  • Oval
  • LED Light
  • Red
  • Surface Mount
  • 4L x 2W Inch
  • Non-Submersible Lights
  • Command Electronics
  • Rear Clearance
  • Side Marker

3-3/4" x 1-5/8" Oval. 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.


  • Small, oval trailer light serves as either a clearance or side marker light
  • Built-in reflex reflector removes the need for a separate reflector
  • LEDs make great replacements for incandescent lights
    • Last 50 times longer
    • More efficient - provide brighter light with less power output
    • No bulbs to replace - no brittle filaments
  • Durable polycarbonate base with acrylic lens
  • Red lens with red LEDs
  • Compatible with 12V DC systems
  • Mounts on surface of trailer - hardware not included
    • Installation requires a 3/4" hole at desired location for wiring base
    • Can be mounted horizontally or vertically
  • Available chrome trim ring (sold separately)
  • 2-Wire pigtail includes power lead and ground wire
  • P2 rated light produces a 90-degree beam pattern
  • DOT and SAE compliant
  • Assembled in the USA


  • Overall dimensions: 3-3/4" long x 1-5/8" tall x 1/2" deep
  • Distance between mounting holes (center to center): 2-1/2"
  • Diodes: 2
  • Wire length: 5"
  • 1-Year limited warranty

Command Electronics K-52 Red LED Clearance Light with Reflex Reflector Measurements

P2-Rated Lights

Diagram of light spread for P2 rated light

A P2-rated light produces a 45-degree angle of light to either side of its centerline for a total of 90 degrees of coverage. This beam pattern can be seen straight on, but it cannot be seen clearly from the side. So this type of light can be used as either a side marker light or a clearance light, but it cannot function as both. If you need both functions, then you must install 2 separate lights on your trailer - one as a front or rear clearance light and one as a side marker light.

Surface-Mount Light

Surface Mount Trailer Light Installation Diagram

Surface-mount trailer lights install using a flange or bracket with mounting holes. These lights lay flat against the trailer surface and only require a small, often pre-existing hole, for wiring. Mounting hardware is used to secure the light to the trailer.

K-52 Command Electronics Modern LED Clearance or Side Marker Light w/ Reflex Reflector - Oval - Red Lens - Surface Mount - P2 Rated

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

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

Video Transcript for Command Electronics Trailer Lights - Clearance Lights - 328-K-52 Review

Speaker 1: Today we're taking a look at a LED clearance or side marker light with a built in reflex reflector. This small oval trailer light serves as either a side marker light or a clearance light. It is a LED system. LEDs make great replacements for incandescent lights. They last longer, they burn brighter, they're more efficient. With LEDs, you don't have to worry about replacing bulbs, and you don't have to worry about brittle filaments.

This unit features a nice red lens with the built in reflex reflector and mounts directly on the surface of the trailer. Mounting hardware's not included, but it does have the two mount holes back here. You gain access to those by removing the lens. The lens just pops off and pops back on. So it's a nice easy to use design.

It can be mounted horizontally or vertically, whatever's best for your application.On the backside, we have the two wire design, so white wire's the ground wire, red wire's the power wire. This does require a 3/4 inch diameter hole a the installation surface for the wiring base to fit into. It's SAE approved, and it is a P2 rated unit. Taking a look at the overall dimensions starting with the overall length measuring edge to edge going this direction, it measures pretty close to four inches, maybe three and 15/16 of an inch long. Edge to edge this direction is about one and 5/8 inches tall or wide.

And the overall depth is only about a half inch deep. The mount holes on the unit are separated on center by two and a half inches.We're gonna go ahead and hook it up to power, that way you can see what it looks like with some power running to it. And we'll also turn off our overhead lights so you can see it in a lower-light setting. So here you can see it sends out a nice clear, consistent signal. It looks like it has two diodes or two LEDs.

So the multi-diode design really helps optimize the overall light output. And with the light on, it gives you a really good look at the built in reflex reflector right there in the lens.That's gonna do it for today's look at the LED clearance or side marker light with the built in reflex reflector.

Customer Reviews

LED Trailer Clearance or Side Marker Light with Reflex Reflector - 2 Diodes - Red Lens - 328-K-52

Average Customer Rating:  4.9 out of 5 stars   (25 Customer Reviews)

3-3/4" x 1-5/8" Oval. 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.

- 328-K-52

Perfect match for my Forest River Forester clearance led. Thanks so much. 597214

- 328-K-52

Perfect item and easy transaction. Thank you! 559586

- 328-K-52

I ordered a marker light for my motor home couldn't find it anywhere else got it quickly and was exactly what I needed. I have recommended you to several people. Thanks 581802

- 328-K-52

Excellent product for the price!! Working great after one year! 732909

- 328-K-52

Bought this light over a year ago, fit great, just like the factory part, I’m a happy customer 722994

- 328-K-52

Exact replacement for factory light on rear of RV. Been in use for one year with no issues. 714220

- 328-K-52

It was an exact match, still working fine after one year of use. Would order again! 700417

- 328-K-52

Came quick and easy 679323

- 328-K-52

Side marker light installation went great very easy to install lights up very nicely very happy with your product 660674

- 328-K-52

Exactly what I needed for my motorhome repair. Very fast delivery!! 658074

- 328-K-52

Needed a replacement light for one that is no longer available. This is the only similar light I could find. Dimensions and description were spot on. Prompt delivery as well. I guess you could say I’m a happy camper! 649162

- 328-K-52

Excellent quality at a good price. 646601

- 328-K-52

Great customer service and rapid turnaround; OEM for our Class C 645289

- 328-K-52

We had been looking "all over" for the exact running lights replacement for our camper. Found them here...so appreciate the attention to detail this company has on its website. The order entry, shipment and follow up just exemplifies the excellent customer service we received. Thank you! 644783

- 328-K-52

I purchased 4 oval clearance lights which were delivered in a very timely fashion, packed very securely, and worked just fine. It was a pleasure dealing with etrailer! I’m now a fan and will buy from them in the future. 635048

- 328-K-52

Shipped quick. Perfect match for replacing my trailer light. 605548

- 328-K-52

Everything was great until UPS turned the package over to USPS. It laid in the local facility for 4 days before it was delivered. just a short 5 miles from my house. Perhaps you should not use that shipping method if UPS is not going to deliver to my house. By the way, UPS drives by my house at least once every day including Sunday. The product was perfect, the speed of you shipping was very fast, the delay was not your fault. Thank you for all you did. 594507

- 328-K-52

Just greatness 588690

- 328-K-52

as described 587834

- 328-K-52

Shipping was really fast and the cost for was reasonable. The reason I took off one star is because I really only needed the red lens, but had to buy the whole light to get it. 574314

- 328-K-52

This is a exact factory replacement for side lights on a Thor Vegas. Fast shipping! 568398

- 328-K-52

Perfect match to what on my Rv trailer 563037

- 328-K-52

This product was a new RV item and I was unable to find it at any RV place. I found it on Etrailer. It was an exact match as a replacement! Also, it was shipped timely. 557049

- 328-K-52

Shipped super fast! 553986

- 328-K-52

Needed an OEM marker light for a 2017 Jayco TT. This is the only place I found it. 551829


Ask the Experts about this Command Electronics Trailer Lights

  • Replacement Clearance Lights Needed for GLO-BRITE 122R and 122Y Lights
    From what I could find it looks like your 122R (red) and 122Y (amber) lights measure 3.75" x 1.70" x .81". We don't have any replacement lense directly for the GLO-BRITE lights but we do have some similar lights that you could use as replacements. I recommend checking out the Command LED lights # 328-K-51 for amber and # 328-K-52 for red. These measure 3-3/4" long x 1-5/8" tall x 1/2" deep and have mounting holes that are spaced 2-1/2" apart on center. Attached are links to review...
    view full answer...

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Info for this part was:

Installed by:
Cole B
Edited by:
Daron K
Written by:
Brian T

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