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When you want a tail light that stands out and stays reliable, this LED design gets it done. It uses 23 diodes to produce bright, even illumination for stop, turn, tail, and license light functions. LEDs last up to 50 times longer than incandescent bulbs and draw less power—just 0.181 amps for the stop/turn signal and 0.047 amps for the side marker at 12.8 volts. That means no weak spots, no burned-out bulbs to replace, and a light you can count on trip after trip.
Water exposure ruins most lights, but not this one. The sealed housing keeps moisture out completely, making it fully waterproof and submersible. The circuit board is protected inside so it won’t corrode or short out even after repeated dips in water. Whether you’re driving through heavy rain or backing into the ramp, this light stays clear and bright without letting water sneak in.
Simplify your setup with a single rectangular light that handles eight different functions—stop, turn, tail, side marker, side reflex reflector, rear clearance, rear reflex reflector, and license plate illumination. It’s DOT compliant and PC rated for a full 180-degree beam pattern so other drivers can see you from behind or either side. At 7-7/8" long x 3-1/4" tall x 2-7/8" deep, it gives complete coverage without taking up extra space.
Installation is straightforward thanks to the surface-mount housing and included hardware. The 3-wire pigtail keeps wiring easy—white for ground, brown for tail lights, yellow for stop and turn signals. Once mounted, it’s a clean fit that looks sharp and performs reliably without extra parts or complicated connections.


Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Bought the entire waterproof LED kit from Etrailer previously and was pleased with it. Accidentally busted the drivers side on the last use. Thankfully Etrailer made it easy to find the exact replacement light (without having to buy the whole kit again) and it shipped quick. Already got it replaced and you cant tell the difference.
Prompt delivery and it fit my trailer exactly. Had to use my original mounting bolts because I didn't discover the new ones hidden in the bubble wrap until I was discarding the shipping box. (not a big problem)
May I suggest including wire connectors with the light. A trip to the hardware store would be avoided.
Lights performed as advertised. Used them on a boat trailer and they did not leak and short out when submersed in water. Found them also to be much brighter than the lights that came with the trailer. After I see how long they last after repeated submersions, I will consider giving them an excellent rating.
Both products greatly increased the brightness of my taillights which is what I wanted. They have worked since then without fail. The postal service originally lost my order and etrailer didn't hesitate to get another one sent out at no charge. Awesome customer service!
Order these boat lights for a friend of ours boat trailer, they arrived sooner than we expected was so easy to install and works great, looks awesome, very pleased.
I called first to see if they carried these taillight and the employee was so nice and helpful, she offered to send a e-mail with the link to order the tail lights, very polite and concerned about our purchase.
We would definitely recommend this company and very impressive with the employees that helped make sure we got the right items we needed.
If I could give them l0 stars I would. Thank You.....
I upgraded to this light set 5 years ago and have been very satisfied with their appearance and performance. They are very bright and distinguished just as many vehicles LED brake lamps are. They are a solid red and do not project the pinkish appearance that some LEDs I examined appeared. The LED's are well sealed into the lenses which prevent water from intruding even if the primary black housing gets cracked from an external force such as a car jack in my case. I purchased this LED lamp because I bumped the fixture with my car jack and broke the side lens, however, the main LED housings remained sealed, intact, and fully operable. I am rather finicky, thus purchased the replacement. If you are looking to upgrade to an LED trailer light, I highly recommend this product and series as they are easy to install (it took me about 5 to 10 minutes), do not fade or weather over time, and are very resilient. I looked at many sites to buy them from, but etrailer.com had the best price, shipping was very fast, and the product was well packaged in the box for its journey to my home. Buy them, you will not be disappointed! Thank you etrailer.com for providing a great product at a great price! They are already installed, look great and as if it was never replaced as compared to the other LED tail lamp, and are ready to go.
Bought a brand new trailer and from the get go some of the regular lights were intermittent. Finally had enough and ordered LED's to replace them all; have not had a single light issue over a year later. All were direct drop in replacements, fit and look great. Thanks etrailer.com!
Thought I had a problem after the trailer was idle for a few months, but it turned out to be a loose grounding wire. Satisfied.
I recently purchased this item to replace the incandescent version of this light that no longer worked. Installation was quick and easy. The lights are extremely bright and I can easily tell from the driver seat of my truck that they are working. In addition to this light, I also purchased the STL36RB for the passenger side so that I'd have LEDs on both sides of my trailer. I recommend making the jump to LED if you need to replace your old lights.
Before purchasing these lights for my boat trailer, I had gone through two sets of lights with incandescent bulbs trying to find lights that wouldn't fill with water and cause damage to the bulbs and sockets. After a year of use, these lights still never leak when the trailer is put in the water. And the brightness of the LEDs is a huge improvement over the incandescents they replaced.
I recently ordered this light to replace one that had been damaged by water intrusion on my boat trailer. The original light that came with the trailer (same as the one I ordered from etrailer) lasted about about three years. The trailer is used primarily in a salt water environment and water got inside the light through the clear lens for the license plate light on the bottom. Once water got inside it damaged the LED's as well. The light without the license plate light worked fine until I switched it out. Overall, I think these lights are good in a fresh water environment and will last much longer than they will with salt water use. These light are bright and should look good on any trailer.
Great replacement light for older Ranger Boat Trailers. Before the round led lights for the fiberglass fenders there was a Wesbar #105826. Can't find them anymore so etrailer recommended these lights as a replacement. They fit in the fender pretty well. I did have to drill new holes for the mounting bolts lower than the original, no biggie. The visibility is vastly superior to the old incandescent bulbs. You'll probably wonder why you hadn't changed them out sooner as I did. Ordered a pair, first shipment had one broken in it, etrailer sent me a new one quickly and emailed a return label. Communication was quick and pleasant. Highly recommend these folks, have dealt with them previously and will again in the future.
Product is well built, the packages got here a day ahead of schedule which helped me get the units installed in my boat trailer ahead of a trip I was planning to take. The lights fit tightly in a custom molded area of my fenders. The website directed me to these LED lights as a replacement for the old 1057 bulb type lights.
Well I was stranded in California on my way to Idaho with two broken lights. Ordered a set of these for delivery. When they arrived they were poorly packaged together, lenses cracked, split and scuffed. They just threw all the lights in a box with paper. I called to complain and they made me pay for expedited shipping of a replacement set. The product is very cheaply made, thin lightweight and nothing like the Wesbar product I was replacing. Needless to say I'm stuck here wasting my vacation waiting for someone who knows how to pack a box. A little disappointed with Etrailer and Optronics quality.
Product was as described on web site. Exact replacement and easy to install. Best price of any I looked at on line and you were lower than all others (including the shipping) than any other price for just the light.
I will definitely buy from you again when I need trailer parts.

Larry W.
8/17/2018
Great
LED lights are bright. The lights fit well onto my boat trailer.
Hopefully they will outlast other sealed lights previously installed.
Submersible lights should last a long time. I hope these do and don’t leak water.
Time will tell, as they have not been tried by me.

Vern
10/2/2018
Lights are working very well on the boat trailer. No failures which is good.
OK, so I broke one of these cool Aero LED lights on my utility trailer. Ground guide said, "C'mon back!," so I did. Bummer. The good news is etrailer always comes through and at a good price and fair shipping rates, so I'm already (legally) back on the road. It's nice to find a company that does more than say they care: etrailer delivers. I'll be back (but I hope not TOO soon). :-)

Guy
1/6/2018
I sold that trailer to a friend a few months ago, but I saw it just last week. We used it to haul some landscaping materials, and I noticed it had another broken light, so I told him about etrailer.com. I imagine youll be hearing from him soon.
This light was a direct replacement for the left side of my 23 foot trailer. Light was ordered, shipped, and installed in 3 days. Worked perfectly.
Just a word to the wise though. Even though the light is rated submersible, one should always disconnect the trailer power cord before launching boat, and wait 15 minutes after recovery before reconnecting. Just good practice.

Chris S.
8/23/2016
Yes, the lights still work great. Thanks for asking.
The light matched perfectly and has been working great for the past year! Thank you
Perfect fit for my trailer. Nice bright lights. Thanks for a great product.
Perfect fit but didn’t come with the stainless steel hardware pack. Thankfully I was able to use the old ones.
In use over a year now with no issues. Nice and bright on my boat trailer that I use 40 plus times a year.
LED trailer tail lights are the only way to go for good lighting! I’ll definitely come back to ETRAILER for my future trailer supplies!
With several of the MCL31 clearance I had half or all of the LEDs stop working. I did not at the time realize they had a lifetime guarantee so I just threw them away. When A bunch of the LEDs in both BUL52CBs and about half of the turn/stop LEDs in the STL37RB went out, I contacted etrailer and they happily replaced them, but it took a couple of weeks and I had to pay the shipping. When I replaced all of my trailer lighting, I had thought that I would never have to worry about it again. LEDs should last forwver. That turns out to not be the case and it is a lot harder to change out hard wired LEDs than socketed incandescent bulbs. I wish I could find reliable long lasting LED trailer lighting.
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Dave
10/19/2017
The trailer has been outside.all year and the.lights still work great.