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Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 9 Diodes - Clear Lens

Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 9 Diodes - Clear Lens

Item # STL59RCB
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Trailer Lights STL59RCB - 12-1/2L x 1W Inch - Optronics
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12-5/8" Long x 1" tall. Waterproof trailer light serves 3 functions: brake, tail, turn. Low-profile Thinline light fits in tight spaces. Surface mount on 11-3/4" centers - hardware not included. 3-Wire pigtail. 9 LEDs. Clear lens. Lowest Prices for the best trailer lights from Optronics. Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 9 Diodes - Clear Lens part number STL59RCB can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (1799)
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  • Videos (1)
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Optronics Trailer Lights - STL59RCB

  • Tail Lights
  • Strip Light
  • LED Light
  • Red
  • Surface Mount
  • 12-1/2L x 1W Inch
  • Submersible Lights
  • Optronics
  • Stop/Turn/Tail

12-5/8" Long x 1" tall. Waterproof trailer light serves 3 functions: brake, tail, turn. Low-profile Thinline light fits in tight spaces. Surface mount on 11-3/4" centers - hardware not included. 3-Wire pigtail. 9 LEDs. Clear 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
  • Clear lens with red LEDs
  • 3-Wire pigtail - 19 AWG
    • White wire for ground
    • Black wire for tail light
    • Red wire for turn signal
  • Mounts on surface of trailer - hardware not included
  • DOT compliant


  • Dimensions: 12-5/8" long x 1" tall x 1/2" deep
  • Mounting holes: 11-3/4" apart on center
  • Diodes: 9
  • Power draw at 12.8 volts:
    • Stop light: 0.2 amps
    • Tail light: 0.01 amps
  • 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.

STL59RCB Optronics Thin Line Combination LED Boat Trailer Taillight - 9 Diodes - Clear Lens with Red LEDs

California residents: click here

Video of Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 9 Diodes - Clear 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 - STL59RCB Review

Today we're going to be taking a look at the Optronics Thinline LED Trailer Tail Light. This trailer tail light serves three functions, such as your stop light, tail light, and turn signal light. It's going to feature a sonically sealed waterproof design, so it's got a waterproof housing and lens that is submersible. The Thinline series has a nice low profile design, so that way the light can fit into tighter spaces. It's going to feature durable surface mount technology when it comes to the construction of the LED circuit board. That's going to better withstand shock and vibration, and it allows for improved heat distribution. This is a full LED system. LEDs make great replacements for incandescent lights.

LEDs last longer, they burn brighter, and they're much more efficient. With LEDs, you don't have to worry about replacing the bulbs, and you don't have to worry about brittle filaments. When it comes to the construction of the housing and the lens, that's a poly-carbonate construction. That's going to feature a nice clear lens, with red LEDs. Here on the back side, it features a three wire design. Your white wire is for ground, black wire is for the tail lights, and red wire is for the turn signal.

Red wire also functions for the stop light as well. Again, white for ground, black for tail light, red for stop and turn. It's a surface mount installation, so it's going to mount on the surface of your trailer. You've got a mount hole located on each side. Your mounting hardware is not included.

It is Department of Transportation compliant. A few measurements to go over with you real quick, and then we'll hook it up to the power to see what it looks like. Starting with the overall length measurement, measuring from edge to edge, it's going to measure about 12 and 5/8ths of an inch long. Measuring the height, it's going to be about 1 inch, and the the depth is only a half inch. Again, a nice low profile light. Your mount holes center on center are separated by 11 and 3/4ers of an inch apart.

This light contains 9 diodes, or 9 LEDs. Power drill at 12.8 volts for the stop light is 0.2 amps, and for the tail light, it's 0.01 amps. Optronics also puts a lifetime warranty on the LEDs. We're going to go and hook it up to power. That way you can see what it looks like with some power running to it. Again, white wire is for our ground connection, black is for our tail lights, and then red is going to be for our stop and turn. We'll go ahead and turn off our overhead light so you can see it in a low light setting. You can see here that the light sends out a nice consistent signal. When we apply our brakes, we see how that signal output increases. It's going to do that same thing when we activate our turn signals as well. That's going to do it for today's look at the Optronics Thinline LED Trailer Tail Light.

Customer Reviews

Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 9 Diodes - Clear Lens - STL59RCB

Average Customer Rating:  4.9 out of 5 stars   (1798 Customer Reviews)

12-5/8" Long x 1" tall. Waterproof trailer light serves 3 functions: brake, tail, turn. Low-profile Thinline light fits in tight spaces. Surface mount on 11-3/4" centers - hardware not included. 3-Wire pigtail. 9 LEDs. Clear lens.


Very bright, well made, affordable 444069


When I transport my dirt bike, it obscures the tail lights on my Jeep. So I needed a tail light that I could mount to a motorcycle rack that fits into my hitch receiver. This product was a perfect fit. It’s thin, bright, easy to mount and looks good. etrailer has always made it easy to find, purchase and ship parts for what ever project I’m working on. 662831


I wish I would have discovered etailer.com and specifically this light 2 months ago! I am redoing a snowmobile trailer and wanted to update the lights. I have less than 2” to work with. After ordering multiple style of lights I finally discovered thin light gold! This saved my project and works great! Now all I need is snow! 585696

It has been over a year since my purchase from etrailer.com and the lights still work great! I have put these lights to the test and they have held up wonderfully! Couldn’t be more happy! I will definitely be a return customer for future projects!
Luke - 11/28/2019



Very bright, nice looking lights. Affordable and well made. I used these for auxiliary towing lights on my 2018 Jeep JKU Wrangler. I have them wired to both a lead going to the front of the Jeep where they can be attached to the motor coach providing independent running-stop-turn lights for the Jeep while in tow as well as to a short trailer connector on the rear. The later allows me to plug them in to my trailer tow connector and they operate in parallel with my OEM lights when the Jeep is not being towed. 554191


I replaced all of my exterior travel trailer lights for LEDs, and etrailer was my go-to source. These thinline strip lights were a new addition, because I wanted higher visibility with the tail lights. The thinline lights were tied in with the existing tail light wiring and work great. What I find most attractive is the clear lens and slim profile, so they are not detracting from the white fiberglass trailer's design. Also pictured are 4 Tail Lights (STL78RB) with chrome accent rings (A78CB). 502468


I've liked them so much I've made them the standard on my trailer builds. Here is some pics. Go ahead and use if needed 451104


Great products and speedy delivery! 902984


The thinline lites are a great addition to my toy Hauler. this is the 4th set i bought. I have them on all my trailers 896035


Great Product. Increases safety. 863686


This is second order. All orders were excellent, on time and quality of product. I will most certainly be using you again in the future 782824


Works great, just a little brittle. I wanted to use some screws at the end to mount it in addition to the tape, broke with little pressure. My fault as it wasn't designed that way. I would buy again, just use the tape only. 749250

This is a common issue when installing the lights with screws using a drill - you are not alone! When installing these - and other trailer lights - with screws, it is best to hand tighten the screws so you have more control over the pressure.
-- Victoria B - 03/03/2020



Not yet installed, but the product looks great and came safely in a box. 736414


Perfect! 569032


I sold the trailer the lights were purchased for before the led light package was installed. The lights met my expectations. 519642


Great product to replace tail lights on my enclosed trailer. Looks like a good quality build, time will tell on LED life. *wish etrailer would pickup more size options in clear LED tail-light strips, the ones I replaced where 17”. Did not see any clear ones on the site this size. 486500


lights work very well. installation was easy. the lights are nice and bright and easy for people to see. quite pleased with them. 477134


I installed two of these, one on each side, on the back of my Gemtop canopy to replace the stupid looking (and broken) tail light that was on the top center just under the lumber rack... (I see the conflict). These things are nice and bright, and the unique light pattern makes my truck easy to track or follow when caravanning. 468031


Product worked great! Sold the trailer a month later. 463877


I plan to use two of them for a custom trailer I am building. They have not been hooked up yet, but they look to be exactly as described. They seem to be great quality lights with excellent waterproofing. 411654


Upgrade shipping for no charge. I'll be back! 403754


They had what I needed good price and fast shipping. 388146


Got my lights on time, installed them same day and they are great. They are even brighter than the factory installed. Will be buying from this company again. 371161


We received exactly what we ordered very fast.Thank you for your quick response. 369383


Product is great quality and shipping was handled quickly! 352675


The items I have needed were in stock and promptly shipped, arrived properly packaged, and in a timely manner. Also, the items were represented accurately, and met my expectations. 340136

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Info for this part was:

Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Installed by:
Cole B
Written by:
Amy B
Updated by:
Sarah W
Updated by:
Brian T

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