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Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Red and Clear Lens
Optronics

Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Red and Clear Lens

Part Number: OPT37FR
In Stock
$53.64
Trailer Lights
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7-1/2" x 3-1/4" Oval. Waterproof light with 22 diodes provides brake, tail, turn, and backup light functions. Red lens is set inside of clear lens. Mounts on surface of trailer with built-in flange. Accepts industry-standard plugs. Great Prices for the best trailer lights from Optronics. Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Red and Clear Lens part number OPT37FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (533)
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Optronics Trailer Lights - OPT37FR

Highlights

  • One Light, 4 Functions: Provides stop, turn, tail, and backup lights in one sealed unit.
  • Reliable In Any Weather: Sonically sealed housing keeps water out so LEDs stay protected.
  • Brighter, Clearer Output: White lens with red LEDs gives sharp, high-visibility signals.
  • Fewer Replacements Needed: 22-diode LED setup lasts up to 50× longer than bulbs.
  • Easy Surface Mounting: Built-in flange lays flat and uses standard 3- and 2-prong plugs.
  • Road Legal: Meets DOT, FMVSS 108, and CMVSS 108 standards for compliant lighting.

Features to know about

Brighter and Clearer Lighting: Integrated LED Tail and Backup Functions

This Fusion LED trailer tail light packs a lot into its 7-1/2" x 3-1/4" oval housing. With 22 LEDs, it handles stop, turn, tail, and backup duties all in one unit. The red lens is set inside a clear lens, combining red and white LEDs for clear signaling and bright reverse light. Built with surface-mount technology, the circuit board resists shock and vibration while running cooler for longer life. At 12.8V it draws just 0.375 amps for stop/turn, 0.20 amps for tail, and 0.242 amps for backup—bright light with low power use.

No More Dual Cutouts: Built-In Backup Light

There’s no need to drill extra holes or mount a separate reverse light. The built-in backup LEDs take care of that right in the same housing. It keeps the setup clean and saves space on your trailer while still giving you bright white light when backing up at night or hooking up gear.

Protection Against Water Damage: Sonically Sealed and Submersible

Rain or full submersion won’t bother this light. The polycarbonate lens and housing are sonically sealed into a single waterproof unit so moisture can’t reach the LEDs or circuitry inside. It’s perfect for trailers that see wet roads or boat ramp launches—no corrosion, no flickering, just reliable lighting trip after trip.

Simple Mounting and Wiring: Surface-Mount with Standard Plugs

Installation is straightforward thanks to its built-in flange that lays flat against the trailer surface. It accepts industry-standard 3-prong and 2-prong plugs (sold separately), making wiring simple without custom connectors. The hardwired design provides solid connections for consistent performance.

Built for Long Service: Durable LED Design

LEDs mean no bulbs to replace and no brittle filaments to fail. They last up to 50 times longer than incandescent bulbs while staying brighter and more efficient. With DOT, FMVSS 108, and CMVSS 108 compliance plus a lifetime warranty on the LEDs, this tail light is made to stay dependable mile after mile.

Specs

Dimensions

  • Overall dimensions: 7-1/2" long x 3-1/4" wide x 1" deep
  • Light face dimensions: 6-3/8" long x 2-1/4" wide

Electrical

  • Power draw at 12.8 volts (Stop/turn light): 0.375 amps
  • Power draw at 12.8 volts (Tail light): 0.20 amps
  • Power draw at 12.8 volts (Backup light): 0.242 amps

Lighting

  • Diodes: 22

Diagram of the Optronics Fusion LED Trailer Tail Light showing red and clear lens combination, LED layout, and mounting flange for stop, tail, turn, and backup light functions.

Warranty

  • Lifetime warranty on LEDs

Installation diagram showing a surface-mount trailer light attached flush to a trailer surface with flange mounting holes and internal wiring path.

STL1211RFHPG Optronics Fusion Combination LED Trailer Taillight - Stop, Tail, Turn, Backup - 22 Diodes - Oval - Red/Clear Lens





Customer Satisfaction Score:

Ratings & Reviews

4.8

533 reviews
Review sort icon
7-1/2" x 3-1/4" Oval. Waterproof light with 22 diodes provides brake, tail, turn, and backup light functions. Red lens is set inside of clear lens. Mounts on surface of trailer with built-in flange. Accepts industry-standard plugs.

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They look great!!!



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The items arrived on time, and we’re exactly as described.



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Nice combination unit. And a good price for it.



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tail lights need to have better packaging, they where scratched and scuffed during shipping, lights where loose in package no wrapping at all.

Brooke M. profile picture
Etrailer Expert

Brooke M.

8/17/2022

Thank you for letting us know I have sent your information along to our customer service team and they will be reaching out to you.



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Absolute garbage I had a custom built trailer with custom wiring and a lot of time and effort was put in to make sure that these lights did not fail I used aluminum rivets with nylon spacers fully soldered connectors with adhesive heat shrink and the lights still failed. Unfortunately I have not reached out to to see if they have warranty. But, unfortunately the money spent already to build a separate housing for these lights will cost me in the long run due to the fact I can now only run the similar light. Very unfortunate they have not tested these lights thoroughly enough.. do not recommend. Especially for salt water.

Brooke M. profile picture
Etrailer Expert

Brooke M.

3/18/2023

I am sorry to hear these lights failed you so easily. The good news is that there IS a warranty. I see that our customer service team is already working with you on this.



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Good quality. Great illumination. Easy installation on the back of my truck camper



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Awesome buying experience. Great looking trailer lights



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Great service,
Great Products,
On
time delivery
My new go to rear tail light company.
Thank you very much,
Milea Maspeth Queens New York.



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Exactly what I was looking for, good quality and fast shipping!



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Lights look like they will work great , Anouther instance of not fully reading description , As price is for individual light , had to order the second one as soon as I discovered my mistake .



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Added as auxiliary lighting to my 10' trailer. Mounted high up on the tailgate ramp for enhanced left/right turn visibility. Very much wanted the back-up light functionality for nighttime trailering.

I especially was impressed with customer support. No "21 questions," no hoops to jump through... they just solved my problem. They have earned my repeat business.



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Simple part that works as designed. Adds visibility to my black trailer when parked without the lights on. Also adds a slight bit of security against theft of the tail lights by covering the screw heads.



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The lights are great, they are well made and are holding up very well. The LED's are bright, so far so good. My only issue with the lights was not being informed in advance that they wouldn't work without a wiring adapter and cutting up of my wiring harness. I probably would have bought the lights anyway but more informed purchasers are happy purchasers and finding the lights you just purchased wont work without an adapter, well not good.The problem wasn't with the lights it was with Etrailer.

Michael profile picture

Michael

4/27/2023

The lights are still working well. None of the LED’s have gone out, the lights are still very bright and I am still very satisfied with them. The wiring adapter I had to purchase to make the lights work is also working perfectly.



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These lights are great on my PU camper , a little over priced - probably as they are waterproof. Very bright back up and break/ turn lights . Running is more subdued, so as not to be mistaken for breaking


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See what our Experts say about this Optronics Trailer Lights


Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Kathleen M
Installed by:
Kathleen M
Employee Dustin K
Video Edited:
Dustin K
Employee Daron K
Edited by:
Daron K
Employee Brian T
Written by:
Brian T
Employee Noah M
Updated by:
Noah M

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