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This round Optronics trailer light handles three essential tasks—stop, turn, and tail—all in one 5-3/8" diameter housing. It uses a replaceable 2057 bulb that runs on 12V DC power. At 12.8V, the stop/turn function draws 2.4 amps and the tail function draws 0.49 amps. That means you get strong, consistent illumination that clearly signals your movements to other drivers.
Bumpy roads and rough trailers can be tough on bulbs, but this light is made to last. The shock-proof socket protects the bulb from damage caused by vibration or sudden impacts. A durable steel housing supports it all, standing up to regular use and keeping your wiring protected where it counts.
No complicated plugs or adapters here. The 2-wire setup includes one power lead and one ground wire, making connections straightforward. The light grounds through its mounting hardware, so it’s easy to get a solid contact when you install it on a clean metal surface. If needed, you can even add a jumper ground to the trailer frame for extra reliability.
The red acrylic lens gives a bright, even glow while keeping the classic round look. Designed for a recessed mount, it fits flush against the trailer for a neat finish that won’t snag or protrude. The required cutout fits easily within standard trailer light openings, and hardware is not included so you can use what best fits your setup.
This light works as an exact replacement for several major brands—Uni Bond # TL4300R, Truck Lite # 80334R, Grote # 50232, and Peterson # 413/425—so it drops right into existing setups without drilling or rewiring. It’s a dependable incandescent solution backed by a 3-year warranty for peace of mind on the road.

Customer Satisfaction Score:
100% were satisfied with this product
0% of customers were not satisfied
Ratings & Reviews

Lisa G.
5/23/2013
what type of camper and year is that?


Lisa G.
5/29/2013
This is to answer Lisa Gs question. the year is 1973 and the camper is a Serro Scotty


Dave
3/1/2019
After a year of being submerged in creek crossings, surviving being beat on washboard and washed out roads the lights are still working great and bright as ever.

Heather A.
10/5/2018
It looks like an old livestock or horse trailer. The stamp on the back that says longhorn trailer company in Wichita falls, Texas closed in 2014. They were open for 68 years so its hard to tell how old it is.

Scott S.
9/8/2016
It still works great!

Manfred U.
11/18/2017
The trailer lights I bought after a year still look new, there not faded, and the bulbs still work. Worked out great
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Paul
4/24/2022
GREAT- Everybody love them.