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This 2-1/2" diameter red incandescent trailer light does double duty as a clearance or side marker light when it’s properly mounted. It runs on a 12V DC system and uses a premium bulb that delivers up to 15,000 hours of light. The round design gives your trailer a classic, clean look while keeping things bright and easy to see at night or in low-visibility conditions.
If your trailer ever sees wet roads or boat ramps, this light can handle it. The housing and lens are sealed together to make a single waterproof unit that keeps moisture out. That protection means you don’t have to worry about corrosion or shorting out—it stays dependable even after repeated exposure to water.
Visibility is key for safety on the road, and this PC-rated light spreads its beam 90 degrees to each side for a total of 180 degrees of coverage. That wide beam can be seen head-on as well as from either side, letting others spot your trailer more easily. When properly installed, it can function as both a clearance light and a side marker light, giving you more flexibility while staying DOT compliant.
Mounting this light is simple and tidy thanks to its recessed design. It uses a grommet mount (142-18, sold separately) that keeps the light seated securely and flush with the surface. The standard 2-prong plug connection (142-49, sold separately) makes wiring straightforward without extra adapters or tools. At 15/16" thick, it fits neatly into the trailer body without sticking out awkwardly.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
And this is what our light looks like when it's installed. This is going to be your standard two and a half inch round clearance marker light that has an incandescent bulb. So it'll make a great replacement for your existing ones if they get damaged, or if your lenses are just all scratched up and just not looking to your desire, you can go ahead and make it look nice and new. And also here at the back of the trailer, I also installed the same light in red as the back of your trailers needs to have red lights, and amber lights are designed for the front of your trailer. Being an incandescent bulb, this is going to be your economical choice. LEDs are going to be a more modern look than your incandescents, but if you're going for an old school look and you want your trailer to maintain its factory style, then replacing those old damaged or worn out incandescents with these will help breathe new life into it.What I really like about these lights though, is that they are a completely sealed housing.
So that way, if you put these on any trailers that are typically out in inclement weather, or maybe you have a boat trailer and you want to load your boat in and out of a water, a lot of times these do get submersed and that's okay with this unit being completely sonically sealed. The only thing that I don't like about it being sealed is that you can't replace the incandescent bulb inside, but a lot of these lights don't have replaceable bulbs anyway. So it's really not too big of a deal. And they're easy enough to replace the entire assembly just pops out, so it's a very quick and easy way to just get a new one in if you need to. I also like that the backside of the bulb uses a standard two wire connector that most of your trailer lights do for your side or clearance marker lights.
So it's nice and quick to get the new one in. You just simply press it in and you're ready to go.These lights are going to be P2 rated, which means they're designed for side marker or clearance lights, and there'll be DOT compliant in all states as long as they're installed in the correct location. Amber lights are designed for the front of your trailer and red lenses are designed for the rear of your trailer. With these available in both amber and red, you could easily upgrade or replace all the lights on your trailer by picking up however you need through etailer.com.We can now take our new light and plug it into our two prong connector. If you needed a two-prong connector, you can pick one up at etrailer.com here.
Just remember you want to wire the white wire to ground and the black wire would go to your taillight circuit. The two prongs just line up with the plugs on the back of our light. And once you get the two lined up, just simply press the two together. It is a little tight because it's a pressed fit style connector that holds them in, and then we just push it in our grommet and we're ready to test everything out.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Easy Website to navigate. Parts ordered were correct & order arrived complete
& undamaged. I will use etrailer again when needed.
Good Job Guys.
good product
Great company and fast delivery. If you can’t find what you need here you don’t need it!
Easy to install if you know how to use a ladder. :)
Fast shipping!
Great product at a good price. The staff at etrailer is very helpful. I will definitely order from etrailer again.
Excellent fit.
Great quality lights that arrived very fast and at a great price. I'm very happy with them and would definitely recommend
Fit well and was in fact a exact replacement on my 2012 Winnebago Adventurer
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Brooke M.
2/27/2025
Yay! Happy to hear that, Ray :) Any spring trips planned for the Winnebago?