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Keeping your trailer visible is key for safety. This rectangular amber light delivers consistent illumination as either a clearance light or a side marker light when properly mounted. It’s P2-rated, producing a 45-degree beam to each side of center for a total of 90 degrees of coverage—bright enough to be seen head-on while maintaining a clean, focused beam pattern. At 12.8V it draws only 0.4 amps, giving you dependable visibility without taxing your electrical system.
Installing this light is straightforward. The surface-mount base fastens easily using existing holes spaced 3" center-to-center, so setup takes only a few screws and wires. The simple 2-wire design—one power lead and one ground wire—means there’s no confusing harness or adapter to deal with. It’s made for quick replacements or clean new installs on any flat surface.
You don’t have to add separate reflectors to stay compliant or visible at night. The built-in reflex reflector in the amber lens handles that job automatically, cutting down on extra parts and keeping your lighting setup simple and functional. It’s one less piece to worry about while still meeting basic visibility needs.
Built with a tough ABS housing and a snap-on lens, this light stands up well to regular use and makes maintenance easy. The incandescent 194 bulb type can be replaced quickly whenever needed—no special tools or sealed housings required. Measuring 4" wide x 1-1/2" tall x 15/16" thick, it fits snugly and looks clean once mounted.
This Optronics light matches several older models in size and bolt pattern, making it a solid swap for Glo Brite 118A, Bargman #99, and similar 4" x 1-1/2" clearance lights that use 3" on-center mounting holes. It comes with a new base, bulb, and lens assembly so you can refresh worn or cracked housings in one go—no guesswork about compatibility.

Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
good product & price
Parts are an exact match for the originals making installation very easy.
Excellent product!
Good lites
Needed to replace marker lights on my enclosed trailer. New lights fit perfect and were easy to install. Great quality and very well priced. Thanks etrailer.
Nice lights great company to do business with!
Exactly what I needed.
It matches the broken light to be repla ced
Perfect match to what is already on my trailer!
Great product and customer service
Fast delivery. Great service and commun ication

Mike L.
2/18/2026
Thanks Jeff, I'm glad we had what you were looking for!
Very well made light.
These were exact replacement for the running lights on my 1994 Winnebago.
Looks great!
Awesome service
Would highly recomme nd
This was a similar style to my existing clearance lights but the covers are not interchangeable. If you are going to have to rewire all lights, the LED style are likely better.
I replaced
I recently purchased clearance light assemblies for my 2006 Winnebago Class "A" Motorhome. Winnebago parts handlers that I contacted told me that they were obsolete, and couldn't be purchased anymore. I then contacted eTrailer as I have done business with them in the past when looking for Motorhome parts. They had the exact replacement parts that I was looking for, and at a reasonable price. They shipped my product within a day of ordering and kept me updated on the delivery of it. From now on, eTrailer will be my first go to when I need parts.
Perfect fit for replacement marker lights on my look brand enclosed trailer.
The products were of good quality and fit just like the descriptions mentioned.
I needed these as a replacement for a marker lens on my motorhome after having a moment in an eternal construction zone. The words say incandescent, but I can see the LEDs that replaced it. I am glad for that as it's better than I expected, but you need to update your description. I've attached a photo of the marker light. Thanks, there is no complaint here, just info.

Brooke M.
9/30/2023
It looks like you have received part # MCL44AB by mistake. I am glad you are happy with it! If you want to swap for the incandescent please feel free to let us know.
Fits perfectly

Fred
6/3/2026
Works great if they go bad will buy again
Side Marker Light was as advertised & would Recommend this Company Highly.
Easy replacement for the old lights on my cargo trailer. And the price is great!
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time.












Pete M.
9/21/2016
Performing and holding up great.