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

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

Item # STL211RCB

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Shipping Weight: 0.36 lbs

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STL211RCB - LED Light Optronics Trailer Lights
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6-7/16" x 2-5/16" Oval. Waterproof light serves 4 functions: stop, turn, tail, and backup light. Recessed mount with grommet (sold separately). Accepts 2-prong plug for backup and 3-prong plug for tail light. 16 Diodes. Lowest Prices for the best trailer lights from Optronics. Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Oval - Clear Lens part number STL211RCB can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (6)
  • Q & A (7)
  • Videos (3)
  • Photos
  • Why etrailer?

Optronics Trailer Lights - STL211RCB

  • Tail Lights
  • Oval
  • LED Light
  • Red and White
  • Recessed Mount
  • 6-1/2L x 2-1/2W Inch
  • Submersible Lights
  • Optronics
  • Stop/Turn/Tail/Backup

6-7/16" x 2-5/16" Oval. Waterproof light serves 4 functions: stop, turn, tail, and backup light. Recessed mount with grommet (sold separately). Accepts 2-prong plug for backup and 3-prong plug for tail light. 16 Diodes.


  • Low-profile trailer tail light serves 4 functions
    • Stop light
    • Tail light
    • Turn signal light
    • Built-in backup light eliminates the need to cut holes in your trailer for 2 lights
  • Sonically sealed, waterproof housing and lens unit is submersible
  • 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
  • Durable polycarbonate lens and housing
  • Clear lens with red and white LEDs
    • Red LEDs for tail light
    • White LEDs for backup light
  • Recessed mount with grommet (A70GB - sold separately)
  • Accepts industry-standard plugs (sold separately)
    • 2-Prong plug for backup light function
    • 3-Prong plug for tail light functions
  • DOT compliant


  • Overall dimensions: 6-7/16" long x 2-5/16" tall x 1-1/2" deep
  • Diodes: 16
  • Power draw at 12.8 volts:
    • Stop/turn signal light: 0.375 amps
    • Tail light: 0.2 amps
    • Backup light: 0.242 amps
  • Lifetime warranty on LEDs

Optronics STL211RCB Fusion Gen II LED Combination Tail Light Diagram

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.

Recessed-Mount Light

Recessed mount light

Recessed-mount trailer lights install underneath a housing or a grommet, which is often sold separately. These lights will extend into the mounting surface and require that a hole be cut into your trailer.

STL211XRCB Optronics 6" Oval Combination LED Boat Trailer Taillight w/ Built-in Reverse Light - 16 Diodes - Clear Lens

Replaces STL211RCB

Video of Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Oval - Clear Lens

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

Video Transcript for Optronics Fusion Trailer Lights Manufacturer Review

Speaker 1: Normally you need two lights: a tail light and a back up light. But what if you could have just one Introducing the Optronics Combination LED Lamps. These incredible lamps combine the standard stop/turn tail functions with the addition of the back up function, into a single design.Optronics Combination LED Lamps are available in multiple formats to fit any application. The eight inch STL68RB features a slim half inch profile, hardwired design, and can be surface mounted with the popular A68SSB trim ring. The four inch round STL201RB features a recessed grommet mount design, and is available in industry standard PL-3 connection or a weather-tight connection. The four inch round STL201RFMB features a more secure flange mount design with weather-tight connection.

The six inch oval STL211 series gives you the option of the red lens, STL211RB, or the clear lens, STL211RCB. Both lamps feature a grommet mount design, and use the industry standard PL-3 connection.All Optronics Combination LED Lamps are sonically sealed to keep out rain and road grit, utilize cost efficient SMD LED technology to increase corrosion resistance, are encased in a tough, impact resistant polycarbonate housing, and of course are backed by Optronics LED Lifetime Warranty.The new Optronics Combination LED Lamps.

Customer Reviews

Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Oval - Clear Lens - STL211RCB

Average Customer Rating:  5.0 out of 5 stars   (6 Customer Reviews)

6-7/16" x 2-5/16" Oval. Waterproof light serves 4 functions: stop, turn, tail, and backup light. Recessed mount with grommet (sold separately). Accepts 2-prong plug for backup and 3-prong plug for tail light. 16 Diodes.


Love them. Red LEDs are brighter than the ones I replaced and the reverse lights are really bright too. Now just hope they last longer than the ones I replaced. Those lasted two years up and down gravel roads on my welding truck. Glad I found this so I wouldn't have to mount extra lights in my bed because there isn't room. Great combo 343968


Still working great. No complaints

Jeffrey Q - 02/21/2018



These lights worked very well for my older Rangertrail trailer. Instead of adding additional brackets for white lights, I could use the existing openings to add backup lights along side the brake lights. I have not tried the backup lights at a dark ramp yet, but they appear to be bright. The red brake lights are very bright in my garage. Shipping was fast and product was as advertised! 362371


I chose the STL211RCB when I recently rebuilt a small trailer I use for my business. I wanted a fixture with a bright reverse light, while also taking up the least amount of space possible. This fixture exceeded my expectations, and has performed flawlessly since the day I installed them. The previous incandescent fixtures were always needing repair to keep them working. They were mounted low, and hard to see in the daytime. The small footprint of this fixture allowed me to relocate the taillight to a better position, allowing for better visibility, day or night. I would recommend these to anyone that needs to back up a trailer in the dark a lot. 580751


Recently it was time to replace/ upgrade my boat trailer rear lights. I found exactly what I was looking for at etrailer. The parts I ordered were well described and fit exactly right for my application. I also ordered the wire pigtail connectors as I was adding lights with an integrated backup lamp. Installation was a breeze and all the parts seem to be high quality. I will definitely buy more items of etrailer in the future. Thanks for the parts. 682154


Pulled old ones out and these jumped right in.. Easy-peasy. bright and pretty. Had to run an extra wire to hook up the backup lights but that was not a problem. YES buy these. 475727


Yes, have purchased several times recen tly 351636


Ask the Experts about this Optronics Trailer Lights

Do you have a question about this Trailer Light?

  • Replacement Trailer Lights That Are Recessed Ovals With Grommet
  • We don't have any lights in that specific size. The closest we have are the LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - 16 Diodes - Oval - Clear Lens # STL211RCB that measure 6-7/16" long x 2-5/16" tall x 1-1/2" deep. These install with the PVC Grommet for 6-1/2" Oval Trailer Tail Lights # A70GB which should account for the measurement differences you mentioned. Other options are the LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - 16 Diodes -...
    view full answer...

  • Plugs Needed for the Fusion LED Trailer Tail Light # STL211RCB
  • At first I thought that this light had 2 places for the 3 terminal plugs but if you check out the attached picture of the Fusion LED Trailer Tail Light # STL211RCB you can see that one plug has 3 prongs (for tail light functions) and one plug has 2 prongs (for reverse light function). If you are just needing standard plugs then you would use part # A45CB for the 2 prongs and part # A45PB for the 3 prongs. These are also available at right angles with parts # A49PB and # A47PB respectively.
    view full answer...

  • Which is Brighter the LED Trailer Tail Light STL211RCB or STL211RB
  • Since LED lights prefer clear lenses for maximum brightness the part # STL211RCB that has the clear lens and red diodes would be brighter than the # STL211RB. If you check out the picture I attached you can see how the diodes of the # STL211RCB are noticeably brighter. You can also see how the side diodes are the same intensity in either picture so you know the difference is due to the lens.
    view full answer...

  • Recommended Wire Gauge for Installing Optronics LED Type Trailer Tail Light STL211RCB
  • Super high-efficiency LED-type lights such as the Optronics # STL211RCB draw so little amperage (current) that you can wire them on your 20-foot trailer using 14-gauge (or heavier) wiring. We offer 10-gauge wire # 10-1-1 by the foot. You will want to use Right Angle 3-Wire Pigtail plugs # A47PB since this is the connector used for these lights. We also offer a mounting bracket # BK70BB and grommet # a70gb that are used together for a surface mount installation.
    view full answer...

  • Recommended Trailer Light That Provides Plenty Of Light When Backing Up
  • The trailer light I recommend for you is the Optronics, part # STL211RCB. This is an LED light that has 4-functions, stop, tail, turn, and backup. With the 16 LED diodes it will give you plenty of light you need when backing up. This light does measure 6-7/16 inches x 2-5/16 inches and is 1-1/2 inches deep. It does require the # A70GB grommet for mounting and if you do not want to cut holes in your trailer frame it can be surface mounted with the # BK70BB mounting bracket. We do not...
    view full answer...

  • Does the Optronics Light Guide LED Truck/Trailer Light Carry Stop/Turn/Tail/Backup Light Functions
  • The Light Guide LED Truck/Trailer Light # BUL602CRB carries the tail and backup functions for trailer lighting but it doesn't have provisions for the stop and turn functions. For that you would need the Optronics light part # STL211RB or part # STL211RCB depending on what style you are looking for. These carry the stop/turn/tail/backup functions, have the exact same dimensions as the light you referenced, are submersible, and have the option for a recessed mount when used with the grommet...
    view full answer...

  • Trailer Tail Light for 2005 Fleetwood Gearbox Toy Hauler with Recessed Lights
  • For your 2005 Fleetwood Gearbox Toy Hauler, the best way to find replacement lights is based on dimensions. The DOT number you gave is simply stating the light has passed the requirements to be on your trailer but doesn't give enough information. The attached article helps with that information if you are interested. The Fusion LED Trailer Tail Light - Stop, Tail, Turn, Backup - Submersible - Oval - Clear Lens # STL211RCB is a great option if your lights are 6.438 inches wide and...
    view full answer...

Do you have a question about this Trailer Light?

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Info for this part was:

Expert Research:
Jameson C
Expert Research:
Adam R
Expert Research:
Jeffrey L
Video Edited:
Jacob T
Video Edited:
Chris R
Video by:
Dustin K
Installed by:
Cole B
Installed by:
David F
Written by:
Amy B
Updated by:
Sarah W
Updated by:
Brian T

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