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Dual-Face Trailer Parking/Turn Signal Light - Post Mount - 4" Round - Amber/Amber
Optronics

Dual-Face Trailer Parking/Turn Signal Light - Post Mount - 4" Round - Amber/Amber

Part Number: ST52AA
In Stock
$21.60
Trailer Lights
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4-5/16" Diameter x 2-3/8" deep; all-weather, molded plastic housing; corrosion resistant; post mount; 2-wire design - grounds through mounting post; dual-face design; 1 replaceable, incandescent bulb; snap-on, replaceable amber lens. Great Prices for the best trailer lights from Optronics. Dual-Face Trailer Parking/Turn Signal Light - Post Mount - 4" Round - Amber/Amber part number ST52AA can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (195)
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Optronics Trailer Lights - ST52AA

Highlights

  • Two Functions in One Light: Dual-face design handles both parking and rear turn signals.
  • Reliable in Any Weather: All-weather, molded plastic housing resists corrosion and moisture.
  • Easy Power Hookup: 2-wire setup grounds through the mounting post for simple install.
  • Road Legal: DOT and FMVSS 108 compliant for safety and visibility standards.
  • Bright, Replaceable Bulb: Uses standard 1156 incandescent bulb for easy maintenance.
  • Compact Round Build: 4-5/16" diameter x 2-3/8" deep fits tight mounting areas.

Features to know about

Brighter Signals on Both Sides: Dual-Face Amber Illumination

This round 4-5/16" light shines bright from both sides so your signals can be seen whether you’re coming or going. The dual-face design combines parking and rear turn signal functions in one fixture using a single replaceable 1156 incandescent bulb. Each amber lens snaps on easily, so servicing it later is quick. With 2.30 amps for turn and 0.90 amps for parking at 12 volts, it gives the right brightness for each signal without overloading your wiring.

Built to Handle Weather and Water: All-Weather, Submersible Design

Rain or road spray won’t bother this light. The all-weather molded plastic housing is corrosion-resistant, and the unit is rated submersible, so it’s ready for wet roads or marine ramps alike. The sealed design keeps water from creeping in around the lenses or wiring, keeping the bulb dry and reliable trip after trip.

Simple Power Hookup: Two Wires and Ground Through the Stud

No complicated wiring here—just two leads and a built-in ground. The black wire handles the turn signal, the red wire powers the running light, and the light grounds through its post mount. That setup keeps connections simple, solid, and easy to troubleshoot later if needed.

Straightforward Mounting: Pedestal Design With Integrated Ground

The pedestal mount installs cleanly through a single stud that’s 1-5/16" long and 7/16" in diameter. Once tightened down, it stays secure while also completing the ground connection to your frame. It’s a tidy way to mount a round light that doesn’t need extra brackets or grounding straps.

Replaceable Parts for Long Service Life

When it’s time for upkeep, you don’t have to change the whole unit. The lens can be swapped with part # A52AB, and the bulb uses standard type 1156 replacements like part # DI49VR. That means you can keep this same housing working year after year without hunting for a new assembly.

Specs

Shape

  • Shape: round

Dimensions

  • Dimensions: 4-5/16" diameter x 2-3/8" deep

Dimensional diagram of the Optronics ST52AA dual-face round amber trailer parking and turn signal light showing diameter and depth measurements for pedestal mounting.


Electrical

  • Power draw (Turn): 2.30 amps at 12 volts
  • Power draw (Parking): 0.90 amps at 12 volts

Installation

  • Installation: pedestal mount - 1-5/16" long

Warranty

  • Warranty: 3-Year limited warranty

ST52AA Dual-Face Trailer Parking/Turn Signal Light - Post Mount - 4" Round - Amber/Amber

Alternate part number: ST-52AA





Customer Satisfaction Score:

Ratings & Reviews

4.9

195 reviews
Review sort icon
4-5/16" Diameter x 2-3/8" deep; all-weather, molded plastic housing; corrosion resistant; post mount; 2-wire design - grounds through mounting post; dual-face design; 1 replaceable, incandescent bulb; snap-on, replaceable amber lens.

by:

I'm very glad I purchased the lights from etrailer. It's a fine product at a reasonable price and the shipping was excellent.



by:

This isn't a fair review for you. Service was great, shipping time very good, I am sure the light works great, it just didn't solve the problem I had hoped it would. Looked OK in the picture, just didn't replace the one on my tractor.



by:

Perfect lite for my application, needed a turn signal lite that extended off the side of the body, this works great

Bigguy profile picture

Bigguy

5/19/2018

Lights still doing fine, product and company are great. Almost wish I needed something else...but if I do, Ill come here.



by:

best prices for this part anywhere at retail and on the web. my tractor has a set on the fenders that occasionally get knocked off....and these are quick to replace the damaged one. quality plastic, wires, etc..

Wayne A. profile picture
Etrailer Expert

Wayne A.

12/27/2017

The one product I wish there was some other cost-effective options for is the trailer light. For me, these are on the top of my tractor fenders, which tend to be broken off 2-3 times a year when I am doing work at the fields edge or in the woods. I have seen variants of this kind of product with a metal housing frame for 5x the plastic price....which makes getting plastic more cost effective, but the inconvenience of a few replacements each year. Im not certain it would be any more durable.Alternatively is to have light cages to prevent them from getting snapped off



by:

The product looks like just what I need. I changed the lights on my meyer snowplow. I plan to use these lights as turn signals. The website explained the lights great. And Etrailer kept in touch. Lastly they were delivered quick



by:

Perfect replacement for Kubota BX series. Although u can easily make them fit any application. These are a bargain at under $8. Dealer wanted almost $40 for one. Highly recommend and will be buying again, as needed.

Len B. profile picture

Len B.

2/1/2021

1 yr later, still working great!!! Awesome value



by:

I busted a warning light on my tractor and looked around for a reasonably priced replacement. Almost everything was LED and cost a small fortune - some as much as $50. This is a good and affordable replacement lamp that cost a fraction of that. For $6.50 each I should have ordered two of them.



by:

Exact replacement for the turn signal lights on a new Kubota 60 hp tractor. Kubota did not properly protect them where they put them. This tractor is used for commercial bush hogging and the last job wiped out both turn signal lights mounted on the rear fenders. These lights are exact replacements. Welded new guards around them now. They are a bit## to change as Kubota puts them on before the fender is put on so you have to remove a bunch of stuff to get to one of the bolts the bracket that supports this light. Now have to do the same job to another Kubota tractor that has the same problem,



by:

I installed these on my 2007 Kubota 4740 tractor to replace the expensive factory ones, and they've performed in an excellent manner. Could not be any happier.

Donnie R. profile picture

Donnie R.

6/14/2018

One year later and all is still well. This was a great investment



by:

Good quality, arrived on time, great price. Perfect fit, perfect solution. Kubota L4060.



by:


Looks very good for a replacement light.
Quick shipping, fair price.

Ronald  profile picture

Ronald

6/28/2021

put them on my Kubota BX1800 to replace the 20 year old originals. Work just fine at half the Kubota cost.



by:

while working on my landscaping, I backed my tractor into a bush and broke off one of the tail lights. I saw this one online at etrailer.Com and ordered it. Turned out to be identical to the other tail light, and simple install
in just a few minutes. etrailer shipped it promptly And it arrived in excellent condition. I have purchased from them before and will again, they're good people to work with. Good price, quick shipping, excellent product, 5 stars!



by:

Great item, works perfect, super fast service. Replaced factory lamp assemblies on my Mahindra tractor.



by:

This is an exact duplicate of the OEM flasher lights on my Kubota tractor for a GREAT price! Shipped quickly, and put my tractor back to good as new condition.

Roger S. profile picture

Roger S.

7/21/2019

Like new after a year.



by:

Very robust item, perfect replacement for signal flasher on my Cub Cadet compact diesel tractor. Better quality than expected, far superior to the original part! Shipping was low cost and quick, overall best value I could find.

Jonathan J. profile picture

Jonathan J.

5/31/2020

still works great



by:

Installed these lights as replacements for the OEM on my tractor. No problems, perfect fit and the etrailer.com staff was outstanding. Thanks to Jameson, John and George.

Mike A. profile picture

Mike A.

8/1/2018

They are are still working great. Thanks



by:

works just fine !!! I'll try not to bust one again,,but thanks it's great

Jarid profile picture

Jarid

6/30/2025

light works just great



by:

I purchased these as replacements for the rear lights on my Kubota tractor. It seems I regularly break them off in the back country. These installed as exact replacements to the OEM lights and have worked perfectly for that past year. I actually purchased two, planned ahead, and I have not broken the first one yet!

Jcfohio profile picture

Jcfohio

2/4/2018

After two years, these are still working great, Much to my surprise, I havent broken one off in the woods yet!



by:

Perfect fit for my Kubota L5460, great product

Don profile picture

Don

9/9/2025

Perfect



by:

Shipping was as scheduled product description was accurate!



by:

Great lights to improve turning safety as well as being visible to the Jeep driver. I added steel protective guards similar to the guard on the WW2 Army Jeep blackout light.



by:

The hazard light I ordered was a perfect match. It shipped the same day I ordered it. Great service and good product at a very reasonable price.

Victoria H. profile picture

Victoria H.

10/22/2024

Hello Ronald. I am glad these lights worked perfectly for your tractor and appreciate you sharing videos of them working properly. Do you work on a farm?

Ronald profile picture

Ronald

10/26/2025

Still working great. It is just like the original light so no modifications were needed to install it.



by:

Wanted just a simple light to use as additional parking light for front of Jeep. These serve the purpose very well. Quality made and reasonably priced. A win-win! Very quick shipment and excellent communication from the seller/business. Would definitely use again.
These lights ground by mounting…the two wires are for parking light and turn signal. I did not want the turn function so only used the white wire tied into my parking light circuit.



by:

Sturdy light comes with the hardware pictured. You will need a 1/2" hole to mount and hook up the wires and you are set. If you need an amber light that can be seen from front and back this is it.

Alan profile picture

Alan

1/6/2021

Been on my tractor for a year and still working great. I like having the lights on when working near the road. Set up a couple of relays and a flasher so they alternately flash.



by:

Very well made, good value, perfect fit for my tractor, e-trailer is great to work with. Their product description along with videos for every item is the best I’ve ever seen for online purchases. I also needed to make a change in my order and spoke to someone by phone who was knowledgeable friendly and fast. I will definitely use e-trailer again! Thanks!

Nick S. profile picture

Nick S.

10/13/2025

I am glad to hear the product, service, and experience were great! I personally have not seen this installed on a tractor yet, but they look awesome! What are you using that tractor for?


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Info for this part was:

Employee Tyler C
Written by:
Tyler C
Employee Jameson C
Expert Research:
Jameson C
Employee John H
Expert Research:
John H
Employee Adam R
Expert Research:
Adam R
Employee Rachael H
Expert Research:
Rachael H
Employee Adele M
Updated by:
Adele M
Employee Wilson B
Updated by:
Wilson B
Employee Brian T
Updated by:
Brian T
Employee Cole B
Installed by:
Cole B

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