bing tracking image
  1. Trailer Lights
  2. Optronics
  3. Tail Lights
  4. Oval
  5. LED Light
  6. Amber
Optronics LED Trailer Turn Signal and Parking Light - Submersible - 10 Diodes - Oval - Amber Lens

Optronics LED Trailer Turn Signal and Parking Light - Submersible - 10 Diodes - Oval - Amber Lens

Item # STL72AB
Our Price: $22.84
Trailer Lights
Shipping Weight: 0.27 lbs
Add to cart
In Stock
zoom in icon
slider vertical 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

In Use/Installed

Customer Photos

Need help with installation?
Locate installers near me
6-7/16" x 2-1/8" Oval. Waterproof, LED trailer light serves as a turn signal and parking light when properly mounted. Durable polycarbonate housing and lens. Flush mount with grommet (sold separately). Accepts standard 3-prong plug. Great Prices for the best trailer lights from Optronics. Optronics LED Trailer Turn Signal and Parking Light - Submersible - 10 Diodes - Oval - Amber Lens part number STL72AB can be ordered online at or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (28)
  • Q & A (0)
  • Photos

Optronics Trailer Lights - STL72AB

  • Tail Lights
  • Oval
  • LED Light
  • Amber
  • 6-1/2L x 2W Inch
  • Recessed Mount
  • Parking
  • Turn
  • Submersible Lights
  • Optronics

6-7/16" x 2-1/8" Oval. Waterproof, LED trailer light serves as a turn signal and parking light when properly mounted. Durable polycarbonate housing and lens. Flush mount with grommet (sold separately). Accepts standard 3-prong plug.


  • Oval LED trailer light acts as a turn signal and parking light when properly mounted
  • Sonically sealed, waterproof housing and lens unit is submersible
  • LEDs make great replacements for incandescent lights
    • Last 50 times longer
    • More efficient - provide better light with less power output
    • No bulbs to replace - no brittle filaments
  • Durable polycarbonate housing and lens
  • Amber lens over white LEDs
  • Compatible with 12V DC systems
  • Flush mount with grommet (A70GB - sold separately)
    • Mounts in any 360-degree position
  • Accepts industry standard 3-prong plug (A45PB or A47PB - sold separately)


  • Dimensions: 6-7/16" long x 2-1/8" tall x 1-3/4" thick
  • Diodes: 10
  • Power draw at 12.8V:
    • Turn: 0.243 amps
    • Tail: 0.046 amps
  • Lifetime warranty on LEDs

Manufacturer Cross Reference
Light will work as an exact replacement for:
Uni Bond # LED2238-27A
Grote # 53963
Peterson # M2875A-2

Optronics STL72AB Oval Sealed LED Parking and Rear Turn Signal 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.

Recessed-Mount Light

Recessed mount light

Recessed-mount trailer lights install underneath a grommet (A70GB - sold separately). These lights will extend into the mounting surface and require that a hole be cut into your trailer.

STL72AB Optronics LED Trailer Turn Signal and Parking Light - Submersible - 10 Diodes - Oval - Amber Lens

Alternate part number: STL-72AB

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Optronics LED Trailer Turn Signal and Parking Light - Submersible - 10 Diodes - Oval - Amber Lens - STL72AB

Average Customer Rating:  4.9 out of 5 stars   (28 Customer Reviews)

6-7/16" x 2-1/8" Oval. Waterproof, LED trailer light serves as a turn signal and parking light when properly mounted. Durable polycarbonate housing and lens. Flush mount with grommet (sold separately). Accepts standard 3-prong plug.


Purchased the amber lights to replace two red ones so I can use them for turn signals along with my saddlebag lights on my trike. I was having a hard time finding what I wanted at the right price when I came acorss your site.
You were prompt in getting my order out and delivered at my home.
The photo shows them installed on the trike The top one's are the tail and stop lights
Thank you for great service.


I use several of these on my 18 wheeler. They offer the best contrast between marker light and signal of any I have found. If I could keep the animals and gravel from knocking the hell out of them I'd be set.

Peanut B.


I enjoy these lights every time the sun goes down. Many of my truckin buddies comment on how bright these lights are and ask where I got them. Still love these lights and figure I always will. I have purchased many products from etrailer and use them on both my personal trailer as well as my 18 wheeler. Thanks for asking.


this Item was the right color,,, the same plug in,,, great fit,,, makes my trailer look new again,,, great price,,,


Very happy with service and products. Your scope of inventory is amazing. Will send pictures of the installations after I get back from vacation in December. Used the strip lights to replace the original brake strip lights on a Winnebago "View" as well as adding additional turn lights. The other ones were used to improve a "light bar" that is on the rear of the car being towed. Were incandescent. The LEDs are much brighter and draw a fraction of the current.


Have had these installed on our boat trailer for a year now as a replacement to the original lights. They continue to work each outing. This continues my great experience with products from etrailer.


Happy customer


These trailer lights were easy to install and work great. Because they are LED and replaced an older bulb style light, I expect they will last much longer.


Lightning fast shipping, and the light was very easy to install. Perfect match for the other fender. Certainly will order from this supplier in the future!



We have since sold this dolly. Light was working perfectly when we sold it.

by: had everything I needed to complete my trailer build, and at the right prices. The products are quality, with competitive pricing. delivered as promised, it was our local delivery that delayed sending the product out to my home, but one call to Pat, and the issue was immediately resolved, and I had the product that night! Great product, Great customer service!


Great product a little thicker than the original on the edge but not a big deal for my installation. Bright light and delivered fast.


Exact parts that I needed! Received in a timely manner! Folks were great to work with!


Delivery on time , price right , will use again and again!



very good



Light is bright and works great


Awesome product and fast delivery


high quality, fast and a good price.
to beat.





Great assistance with customer service and products!


Very bright and easy to install.




Show More Reviews

See what our Experts say about this Optronics Trailer Lights

  • Amber Version of LED Stop//Tail/Turn Wesbar 273564
    Yes we do. You would want the part # STL22AB for an amber version of the light part number you listed. Another option is the part # STL72AB or part # STL70AB.
    view full answer...
  • Replacement Front Turn Signal for a 1989 Ford F-59
    For a replacement turn signal to use on your 1989 Ford F-59, the Trailer Turn Signal and Parking Light part # STL72AB should work for you. In order to be sure you will need to measure the light you have now. If it measures to be around 6-7/16" long x 2-5/16" wide x 1-3/4" deep then the light will work for you. In order to install it you are also going to need to use the Right Angle 3-Wire Pigtail part # A47PB and possibly the PVC Grommet for 6-1/2" Oval Trailer Tail Lights part # A70GB.
    view full answer...
  • Bright LED Amber Light that Can be Seen Straight On and at an Angle
    I think I have the perfect light for you. Take a look at the LED amber clearance light # MCL49AB. This light has 14 diodes so it will be bright and you can see it straight on and from an angle. I have included a link to a video review of this light for you. You might also be interested in some conspicuity tape, # RE18T, for its reflective properties.
    view full answer...
  • Can a Bus with a 24 Volt Electrical System Tow a Trailer and Car with 12 Volt Electrical Systems
    On the trailer it will be easy because you can add 24 volt lights such as # STL23R24B and # MCL66A24B just to name a few. But to flat tow a vehicle that is a different story. You would need to obtain a voltage reducer device and put one on each circuit ahead of the trailer connector so that it is 12 volts on the output side. We do not carry these devices and from what I know they can be expensive. If you go this route then the trailer would not have to have 24 volt lights.
    view full answer...
  • Are Optronics # STL72AB Oval LED Lights Usable as Stop-Turn-Tail Lights
    The Optronics Amber Oval LED Trailer Turn Signal and Parking Light, part # STL72AB, is intended for use as a trailer turn signal and parking light. DOT requires that brake lights always have a red lens. Optronics offers a similar-size 3-function Stop-Turn-Tail LED Light with a red lens, part # STL22RB. I have included a video on this particular item and also one addressing trailer wiring. For both of these light assemblies you will need the Rubber Grommet, part # A70GB, which provides...
    view full answer...
  • Adding LED Amber Turn Signals to a Trailer
    LED clearance light # CBL22AB is not DOT rated as a turn signal so I do not recommend using it. LED light # STL72AB can be used as a turn signal. It is one of the smaller options at 6-7/16" Long x 2-5/16; tall x 1-3/4" thick. Used with bracket # BK70BB and grommet # a70gb you will be able to mount it in your desired location. You will also need harness # A45PB. But those lights on your trailer are side marker lights, not turn signals. US trailers have the turn signals combined with the...
    view full answer...
    Image 1 for
  • Recommendation of Turn Signal and Parking Light for Off-road use
    I recommend the amber trailer turn signal and parking light # ST70AB as it's sealed and waterproof. The rubber grommet # a70gb will provide shock mount protection extending the life of the lamp. The Optronics # MCL157AB could possibly be used as a turn signal but not recommended. The grommet you referred # A56GB would work as it will provide shock protection especially that you will be off-road. It will seat properly once the light is plugged into the grommet. The LED equivalent is amber...
    view full answer...
  • Does Custer LED Amber Quad Flash Kit # CPL65A-STR Also Have Brake and Turn Signal Functions
    The Custer LED Amber Quad Flash Kit # CPL65A-STR that you referenced is strictly a strobe/flash set of LEDs in this light. An amber brake/turn signal LED light that is the same 6-1/2 inches is the Optronics # STL72AB. With this light you will also need the grommet # A70GB and a pigtail for power. If you need the straight pigtail it is # A45PB and the right angle pigtail is # A47PB.
    view full answer...

Do you have a question about this Trailer Light?

Info for this part was:

Employee Andrew K
Installed by:
Andrew K
Employee Jeff D
Installed by:
Jeff D
Employee Cole B
Installed by:
Cole B
Employee Michael H
Expert Research:
Michael H
Employee Adam R
Expert Research:
Adam R
Employee Kathleen M
Video by:
Kathleen M
Employee Jonathan Y
Video by:
Jonathan Y
Employee Laura H
Updated by:
Laura H
Employee Amy B
Updated by:
Amy B
Employee Wilson B
Updated by:
Wilson B
Employee Brian T
Updated by:
Brian T
Employee Chris R
Video Edited:
Chris R

At 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.