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Trailer Lights > Tail Lights > Submersible Lights > LED Light > 5-1/2 Inch Diameter > Round > Red > Surface Mount > Optronics

STL42RBTrailer Lights STL42RBTrailer Lights STL42RB

Sealed, 4" Round LED Trailer Stop, Turn and Tail Light, Flange Mount, 3-Function, 10 SuperDiode

Optronics Trailer Lights

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9 reviews


Code:   STL42RB

Price:$16.95

Shipping Weight: 0.5 pounds

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Optronics Trailer Lights - STL42RB

5-1/2" Diam x 1-5/16" D; Sealed, waterproof; flange mount on 4-1/4" centers; 3-prong plug connection; 10 super diode LEDs

Sealed, 4" Round LED Trailer Stop, Turn and Tail Light, Flange Mount, 3-Function, 10-Super Diode

This is a sealed, round LED combination stop, turn, and tail light. The LEDs in this light are super diodes for exceptional brightness and performance. This red light measures 5-1/2" in diameter by 1-15/16" deep, including the flange. Lens and housing are one unit that is sonically sealed and waterproof, providing protection to the 10 super light-emitting diodes. The light draws 0.413/.026 amps at 12.8 volts. This light flange mounts through the three mounting holes spaced equally on the flange at 4-1/4" apart. A separate, industry standard, three-prong plug is used for the wiring connection to easily upgrade from incandescent lights. A three-wire pigtail is required to complete the installation.

  • Red, round trailer light is a combination stop, turn, and tail light
  • Sealed, waterproof housing and lens unit
  • 10 Super LEDs (Light Emitting Diode)
  • Accepts industry standard, 3-prong plug
    • Simple to upgrade from incandescent lights
  • Flange mounts through three holes in housing flange on 4-1/4 centers
  • 3-wire pigtail required for complete installation
  • Dimensions: 5-1/2" Diam x 1-15/16" D
  • Light draws 0.413/.026 amps at 12.8 volts

Manufacturer Cross Reference
Light will work as an exact replacement for:
Truck Lite # 44326R
Grote # 53292
Peterson # M418R-2

Manufacturer Specifications

Sealed, flange mount stop, turn and tail light. 10 super diodes for bright, dependable performance. Features sonically sealed, waterproof lens and housing in a single unit. Accepts industry standard, 3-prong plug for easy retrofit of incandescent lights. Requires plug for complete installation.

dimensions of LED light

STL-42RB 2-wire, 4" Round Sealed LED Stop, Turn or Tail Light - 10 diode 0.413V/0.026A by Optronics, Inc.








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Customer Reviews  -  Write a review about this product

Sealed, 4 - STL42RB

Average Customer Rating:  ratingratingratingratingrating4.9 out of 5 stars   (9 Customer Reviews)




Sealed, 4 - STL42RB

ratingratingratingratingrating by: Tom T02/21/2011

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We are installing them now and they look like they will do the job perfectly. Hope they last a long time because the individual bulb type seem to break all the time.7560



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Hank K02/05/2012

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Lights are excellent easy install nice and bright31094



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Brian W.12/20/2011

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Quick delivery, great service. Haven't hooked up yet, but should be perfect.28371



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Whitewater William08/30/2011

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Replaced old post mount trailer lights with these flange mount LED submersibles. No more popped bulbs and bloody fingers from replacing them in rusty sockets every time I put the boat in the water. Great service, nice folks at etrailer.com. Thank you23168



Sealed, 4 - STL42RB

ratingratingratingratingrating by: KS Rancher08/06/2011

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LED's are really bright, wires are labeled, everything I expected out of the product21232



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Core Autosport06/29/2011

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Great Light matches what we have on our trailer.18170



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Mike Z06/07/2011

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Installed last night in 30 seconds and works perfect. Thanks.16328



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Brian T03/15/2011

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The lights were excellent and installed easily as well as look great. They are much better than the originals. Thanks, Brian9407



Sealed, 4 - STL42RB

ratingratingratingratingrating by: Adam03/04/2011

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Great product should come with harness. 8421




Ask the Experts about this Optronics Trailer Lights
Expert Answers about Sealed, 4" Round LED Trailer Stop, Turn and Tail Light, Flange Mount, 3-Function, 10 SuperDiode - STL42RB                                           Do you have a question about this Trailer Lights?


  • How to Connect the # STL42RB Tail Lights to a 1958 Trailer with 2 Wire Lighting System
  • The 4 inch Round Sealed LED Stop, Turn or Tail Light, item # STL42RB, uses a 3 wire pig tail, item # A47PB or # A45PB, to connect to your existing trailer wiring. The plug on the pigtail plugs into the back of the tail light and is then hard wired to your trailer wiring. I would recommend using a soldering iron, item # BTSI30, and solder, item # FL0803484, to attach the red and black wires to your trailer wiring. It sounds as if your original tail lights were grounded to the trailer frame thr
    view full answer...

  • Flush Mount Stop Turn and Tail Lights for a 1982 13 Foot Scamp Travel Trailer
  • I did a bit of research on your trailer and the reflect-o-lite light that you mentioned. It looks as if they are surface mount lights that are 6-7/8 inch diameter. For a replacement you could use the 7 inch round Transit LED Stop/Side Marker/Tail Light, # STL90RB, to have a somewhat original appearance, with an upgraded LED light. You could also use a surface mount like the Bargman LED, Surface Mount, Double Tail Light, # 47-84-610 which would be large enough to cover the original mounting locat
    view full answer...

  • Availability of LED Amber and Red Clearance, Tail Lights, and Side Marker Trailer Lights
  • The STL42RB does come in amber. It is # STL42AB. Use wiring harness # A45PB with it. For 2 inch diameter amber lights you can use # MCL50AB with # A49PB and # A54GB. For 2 inch diameter red lights you can use # MCL50RB with # A49PB and # A54GB. For amber teardrop lights, you may be able to use # CBL22AB. We also have a teardrop shape kit that you would use on the roof of a truck, # CB-15AK, but it is not LED. For red teardrop lights we also do not have an LED option but we do have th
    view full answer...






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