1. Trailer Lights
  2. Optronics
  3. Tail Lights
  4. Strip Light
  5. LED Light
  6. Red
Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 15 Diodes - Red Lens

Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 15 Diodes - Red Lens

Item # STL64RB
lowest price pledge
Our Price: $18.62
You Save: 18%
Trailer Lights
Orders above $99 qualify for Free Shipping
Shipping Weight: 0.69 lbs
In Stock, Ships Today
STL64RB - Strip Light Optronics Trailer Lights
zoom in icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos


20-1/2" Long x 1" tall. Waterproof trailer light serves 3 functions: brake, tail, turn. Low-profile Thinline light fits in tight spaces. Surface mount on 19-5/8" centers - hardware not included. 15 LEDs. Red lens. Lowest Prices for the best trailer lights from Optronics. Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 15 Diodes - Red Lens part number STL64RB can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (1574)
  • Q & A (6)
  • Videos (1)
  • Photos
  • Why etrailer?

Optronics Trailer Lights - STL64RB

  • Tail Lights
  • Strip Light
  • LED Light
  • Red
  • Surface Mount
  • 20L x 1W Inch
  • Submersible Lights
  • Optronics
  • Stop/Turn/Tail

20-1/2" Long x 1" tall. Waterproof trailer light serves 3 functions: brake, tail, turn. Low-profile Thinline light fits in tight spaces. Surface mount on 19-5/8" centers - hardware not included. 15 LEDs. Red lens.


  • Trailer tail light serves 3 functions
    • Stop light
    • Tail light
    • Turn signal light
  • Sonically sealed, waterproof housing and lens unit is submersible
  • Thinline Series has a low profile so that light can fit in tight spaces
  • Durable surface-mount technology (SMT) construction of LED circuit board
    • Better withstands shock and vibration
    • Allows for improved heat distribution
  • 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
  • Polycarbonate lens and housing
  • Red lens
  • Hardwire with separate ground wire
  • Mounts on surface of trailer - hardware not included
  • DOT compliant


  • Dimensions: 20-1/2" long x 1" tall x 3/4" deep
  • Mounting holes: 19-5/8" apart on center
  • Diodes: 15
  • Power draw at 12.8 volts:
    • Stop light: 0.2 amps
    • Tail light: 0.01 amps
  • Wire configuration:
    • White: ground
    • Black: tail light
    • Red: turn signal
  • Lifetime warranty on LEDs

Optronics Light Dimensions

Sonically Sealed, Waterproof Trailer Light

The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer. The housing and lens are sonically sealed together to create a single unit, which means that water will not get into the light and damage the diodes or circuit board.

STL64RB Optronics Thin Line Combination LED Boat Trailer Taillight - 15 Diodes - Red Lens

Video of Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 15 Diodes - Red Lens

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

Video Transcript for Optronics Trailer Lights - Tail Lights - STL64RB Review

Speaker 1: Today we're taking a look at the Optronics Thinline LED Trailer Taillight. This trailer taillight serves three functions for your trailer; stoplight, taillight and turn signal light. It's completely sealed so it features a sonically sealed design which makes it waterproof and completely submersible. This is the Thinline Series which has a low profile so it can fit into tighter spaces.It's an LED system so is contains a total of 15 diodes or 15 LEDs and it has the durable surface mount technology when it comes to the construction of the LED circuit board, so that design better withstand shocking vibration, also allows for improved heat distribution. LEDs make great replacements for incandescent lights. They last longer, they burn brighter, they're more efficient.

You don't have to worry about replacing bulbs. You don't have to worry about brittle filaments.This does have a nice durable construction. It's polycarbonate when it comes to the lens and the housing. Nice red lens. It is SAE and Department of Transportation compliant.

It's a three wire design. White wire is your ground wire, black is for the taillights, red is for the stop and turn. And it's a surface mount installation so it mounts directly on the surface of the trailer. Mounting hardware not included.You have two mount holes. These mount holes are separated and apart from one another on center by 19 and 5/8 inches, and it has the foam mounting gasket to create a really nice tight seal at the installation surface.

Overall length measurement, edge to edge is 20 1/2 inches long. The base has an overall width measurement of 1 inch and then the overall thickness is 3/4 of an inch. That's how far it sticks out from the mounting surface.We're going to go ahead and hook it up to power, that way you can see what it looks like with some power running to it. Then we'll also turn off our overhead lights so you can see it in a lower light setting. So again, the white wire, that's our ground wire.

Then black is for our taillights. Red is our stop and turn.You can see here it sends out a nice consistent signal. Again, 15 LEDs so the multi-diode design really helps optimize the overall light output. This is the taillight function. When we apply our brakes you can see how that signal output increases. It will do that same thing when we activate our turn signals.Now when it comes to the power inaudible 00:02:34 at 12.8 volts we're looking at 0.2 amps for the stop and turn and then 0.01 amps for the taillight, and Optronics puts a lifetime warranty on the LEDs. That's going to do it for today's look at the Optronics Thinline LED Trailer Taillight.

Customer Reviews

Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 15 Diodes - Red Lens - STL64RB

Average Customer Rating:  4.9 out of 5 stars   (1574 Customer Reviews)

20-1/2" Long x 1" tall. Waterproof trailer light serves 3 functions: brake, tail, turn. Low-profile Thinline light fits in tight spaces. Surface mount on 19-5/8" centers - hardware not included. 15 LEDs. Red lens.


Hi Ashley, Got two lights to put below the tailgate on my PU Truck, there still working very good. I sent you folks a picture. Thank You Wendell 633939


Bought 2, one defective. It turned on but not bright . Contacted Etrailer for replacement. Excellent customer service, they sent replacement within 5 days. Looks nice 5 inch longer than the original 693658


I have a 2010 international trailer. I was unable to find exact match parts so I went to etrailer to find comparable parts. These 3 way tail lights were 5 inches longer, as posted in the description, than the ones that were on previously. I just drilled a new hole each for the wires and one screw and used one of the previous screw holes. These lights are bright and I was happy with the flush fit on the trailer. 662483


I bought this light for the back of my Polaris RZR RS1 as a upper run / brake light in addition to the factory one. P I installed it and it works great! I have bought in the past from E-trailer for trailer lights and electric brakes. Great products and delivery. I really like the videos of the products, seeing is believing!! 594911


I usually dont do product review but thought I would give a shout out to an outstanding company. George and the team have delivered everytime I've ordered from them. Excellent service. Will continue to order from this great company. 649834


Really nice bar light. Wish they could split the LEDs in half so to make use of the blinker function as I simply use it in the middle of my utility trailer to replace an old tail lamp, but it still function well as a tail light. Super bright. 518087


Exactly what I needed. My old ones were 10+ years old and some of the LEDs had died. These thinline lights have more LEDs and they mount to a flat surface with two screws. The wiring colors matched my old lights and the installation was a breeze. I'd buy them again. 573957


Product was as I was hoping for. Fast delivery and product was just as I expected. Install was an easy install and gives the rear of the trailer the added lighting that I wanted for other vehicles to be able to see my intentions when changing lanes and stopping. Am very satisfied with the purchase and if I need more lighting etrailer is were I will purchase. All the lighting will be changed at some point including LED side lighting. Prices at etrailer are some of the cheapest that I have found for quality lighting. 727015


Put this on the rear of our Motorhome. easy to install and makes the brake lights more visible. 706321


Top quality product 705700


Great way to improve your trailer's visibility for vehicles approaching from the rear. The dimensions of these lights make them a great choice for mounting any flat surface. The number of LEDs are perfect for a light this size. The foam backing provides shock dampening which is important on trailers that are always banging around. 678349


D.O.T. approved, fit and finish looks good, easy install. 3 wires for turn, brake and running lights . This is just what I needed to put on the rear of my 40' 5th wheel .I Just didn't feel comfortable with the 2 small L.E.D. tail lights that the camper came with. These worked out really well. 667407


customer service above average, quick to communicate and provide service to any customer's concern 663635


Very Satified. 601915


The highest quality professional products. Easy website. Really fast delivery. I buy all of my trailer accessories from etrailer. 592275


Very Simple ! Extremely Bright ! Worth the Price ! 587641


Got my slimline taillight very quickly. It seems to be great quality. Certainly better than the origional that i replaced it with. Great service! 570346


what ever you need for your trailer shop at etrailer my 20"led lights look great and you get fast service 552848


This is the second set of these lights that I have purchased. They are very durable and easy to install/wire up. I was tired of ripping my traditional side mount lights off of my lowboy trailer (it happens lol), so I bought this set to install under the ramp channels on the back so they have no chance of getting caught on anything. Look good, work good, and are plenty bright. 544895


Great product works as is should .. 541819


Product works great took me about 20 min to install both lights 514551


Great light but the customer service is incredible! Highly recommend! 469189


Review from a similar Optronics Thinline in Trailer Lights

Bought these lights to replace on our horse trailer. They work great, easy to install and look better than the original lights we replaced. Would buy these lights again and would recommend. 666349


Review from a similar Optronics Thinline in Trailer Lights

Very fast deliver and products were both exactly like I expected. They were a universal fit for my exact trailer and you can't tell they were replacements, which is exactly what I wanted. 714937

- MC65RB

Review from a similar Optronics Thinline in Trailer Lights

So glad to have etrailer to go to for parts and sound clear advice. It's always a good experience with etrailer. 649812

Show More Reviews

Ask the Experts about this Optronics Trailer Lights

  • Adding 3rd Brake Light to Rear of 2016 Honda Pilot
    You can use the Thinline LED Trailer Tail Light # STL64RB as a third tail light on your 2016 Honda Pilot, though to do this you will not want to use the converter you mentioned. Instead, you will want to use the much simpler Pacer Performance 3rd Brake Light Logic Module # PP20-702 run in between the 4-way on your Pilot and the Thinline tail light. The Module will run between your Pilot's 4-way and the LED tail light. You will then ground the white wire of the tail light and run the black...
    view full answer...
  • Can Optronics Thinline LED Trailer Tail Light be Used as a 3rd Brake Light
    You definitely can use the Optronics Thinline LED Trailer Tail Light # STL64RB as a 3rd brake light! You'll need to cap off the black wire, ground the white wire, and then install the Pacer Performance 3rd Brake Light Logic Module # PP20-702 in-line with the red wire to isolate the brake signal from the turn signal. Attached is photo of the installation instructions for the module that you can reference. I also recommend using either the Black # A64BB or Chrome # A64CRB mounting bezel...
    view full answer...
  • Wire Colors for Optronics Thinline LED Trailer Tail Light # STL64RB
    The video review for the Optronics Thinline LED Trailer Tail Light # STL64RB that you mentioned is correct. The white wire is for ground, the black wire is for tail lights, and the red wire is for turn/brake signals.
    view full answer...
  • Parts Needed to Install 3rd Brake Light on Enclosed Trailer
    The Optronics light best suited to your application as a 3rd brake light is their part # STL80RB which is a single-function LED light. The light # STL64RB that you referenced is a multi-function light (Stop/Turn/Tail) which you do not need. It is necessary that this additional light operate only with brake pedal signals and not with turn signals. You can meet this DOT requirement by installing a Vehicle to Vehicle Tail Light Converter item # C56196 which will separate the brake signals...
    view full answer...
  • Can I Install the Thinline LED Trailer Tail Light Vertically Where It Will Be Submerged?
    The Thinline LED Trailer Tail Light # STL64RB can be mounted vertically without issue and it will not retain any water since the light is sealed to keep water out. This is a fully submersible light that was designed to be used on boat trailers, as well as trailers that are not submersed.
    view full answer...
  • Is the Thinline LED Trailer Tail Light Available As a Clearance Light
    The Thinline LED Trailer Tail Light part # STL64RB has three functions; stop, turn, and tail. If you are looking for a similar style of light with the clearance function capability then you can use the UltraThin ID Light Bar part # MCL70RB. If this is not what you are looking for please just let me know and I would be glad to see if we have other options for you.
    view full answer...

Do you have a question about this Trailer Light?

  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Highest quality trailer lights for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate trailer light information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Expert Research:
Adam R
Installed by:
Cole B
Updated by:
Sarah W
Updated by:
Brian T
Edited by:
Daron K
Written by:
Anna W

At etrailer.com 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. Let us know if anything is missing or if you have any questions.

Product Experts Available Now!

Call 800-298-8924