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This 5-5/16" x 4-9/16" Optronics combination tail light is built to handle all six lighting functions trailers under 80" wide need—stop, turn, tail, rear reflex, side marker, and side reflex. With a red lens over dual incandescent bulbs, it gives off bright and clear signals so other drivers can see you from all angles. Built-in reflectors take care of visibility even when the lights aren’t on, so there’s no need for separate reflector mounts.
Wiring couldn’t be easier. The back of the housing has quick connect ports—just strip your wires, push them into place, and you’re done. The two mounting studs do double duty by grounding the light through the trailer frame, which means fewer wires to fuss with and no extra ground wire to run.
Rough roads can take a toll on trailer lights, but this one’s ready for it. The socket inside is shock-proof to protect the bulb from bumps and vibration. Its durable polycarbonate housing and acrylic lens stand up well to impact, keeping the light sealed and protecting the components inside for long-term reliability.
Measuring 5-5/16" long x 4-9/16" wide x 2-7/8" deep, this square light mounts using two studs spaced 2" apart on center. That standard spacing makes it an easy direct-fit replacement for Uni Bond #TL4400, Wesbar #3060, Grote #52302, and Peterson #440 lights. It installs securely without extra brackets and is ready for the passenger side position.
At 12.8V, it draws just 2.5 amps for stop/turn and 1 amp for tail light operation—plenty of brightness without overloading your trailer circuit. The design keeps power use modest while delivering consistent illumination every time you tow.

Customer Satisfaction Score:
100% were satisfied with this product
0% of customers were not satisfied
Ratings & Reviews
The trailer lamp I purchased from etrailer is exactly what I needed to replace
a broken lamp on my carry on trailer. The replacement part is exactly the
same part that is currently on the trailer. Very easy to install and works
properly. Thanks etrailer.
Ordered and delivered in 3 days. Trying to give my business to someone other than Amazon.
Very good trailer light. Easy to install, self clamping wire inserts sped up the installation.
Folks at etrailer.com were prompt at shipping and kept me informed through emails.

Robert R.
2/2/2015
Working great after one year. If I need to change the other light, Ill order another from your website.
it is the exact fit. installed it on a small trailer, wired it and it works great. I now have turn signals and brake lights.

Terrell P.
7/8/2020
Still working great. No problems at all
Good part / Fast Shipping
I worked with a very helpful Optronics employee to determine the correct light to replace a smashed right taillight on my small utility trailer; she recommended I then order from etrailer. It's a perfect, inexpensive match for the destroyed light, and installed quickly and easily.

Catherine
10/3/2019
Still good. Thanks!
My order came very fast, and I was very satisfied with the lights.
Very easy to find what i wanted on their website. Price was great and it came in a timely matter. I will shop with ETrailer again great company. Thank You
Good replacement lights
Products were as advertised. Easy to work with. Thanks Etrailer!
Good price and quality
Perfect match to my original but broken tailight
What we needed.
Looks good. Unfortunately it is a oassenger side taillight, and I need a driver’s side. I did not under show to differentiate on the purchase order.
The light is a well built taillight and works great. The service at etrailer is always great.... as well as fast, easy and delivered quickly. What a great place to get all your trailer needs. Thank You!
I recently purchased a light from etrailer.com-->great price, same day order filling with email update, fast shipping in normal mode... two follow up emails...thank you for great service, I'll be sure to bookmark your site.
product was what was ordered
Perfect fit. Ten minutes from arrival to fully installed. Exact replacement.

Randall
8/24/2025
Those trailer lights never work right. The bulbs comes loose and it’s nearly as impossible to get the oriented correctly after come out of the socket. I switched to LED lights.
Works perfect
Finding this replacement part was a God send. The original was impossible to repair and work.
Great product. Works wonderfully well. Thanks
These light were a good replacement set for my Home Depot Snowbear trailer taillights. Best price I found for this or similar was here at etrailer.com.
Pic is not of my own trailer but is the same model. You can see the configuration of the taillights.
Very speedy service. Perfect replacement part.
The product arrived in good shape and in a timely manner. The product price and shipping very reasonable. Would definitely buy from etrailer.com
Exact replacement for my trailer. Website is easy to navigate. It you need a trailer light, chances are they have you covered. Shipping was quick, only took a few days. etrailer.com for the win.
Info for this part was:
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Larry
6/5/2019
The lamp is still working fine. Thanks