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Keeping your trailer visible after dark is key to staying safe on the road. This red rectangular light measures 2-1/2" long by 1-1/4" tall and uses a premium incandescent bulb rated for up to 15,000 hours of use. The bright red lens clearly marks your trailer edges as both a clearance and side marker when mounted properly, so other drivers can easily spot you from the front or side.
You don’t have to worry about rain, spray, or even full submersion taking out this light. The housing and lens are sealed together into one waterproof unit that keeps moisture out and protects the internal parts. Whether it’s heavy weather or a wet launch, the sealed design keeps the bulb and circuit secure for long-term reliability.
Visibility from more than one angle is what sets this light apart. As a PC-rated light, it throws light in a 90-degree spread on each side of its centerline—180 degrees total. That means it can serve double duty as both a clearance and side marker light, making it easier for others to see your trailer from multiple directions.
Mounting this light doesn’t take much work. It’s designed to surface mount using a bracket (part number 150-09, sold separately) and connects through standard male terminals that accept a 2-wire female plug (part number 153-49, sold separately). Once in place, it lays flat against the trailer body for a clean, finished look that’s easy to maintain.
Made to handle typical trailer lighting setups, this light works with standard 12V DC systems and meets DOT requirements for clearance and side marker use. It’s built for long service life with straightforward wiring and a strong lens that holds up well over time.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today, we're taking a look at a Peterson Clearance and Side Marker Light. This is a rectangular trailer light that functions as both a clearance light and a side marker light for your trailer when properly mounted. Has a nice, red lens. It's welded to the housing to form a single unit, so that creates a nice, sealed design to keep dirt and moisture away. It mounts on the surface of the trailer using a mounting bracket. Your mounting bracket is sold separately and available at eTrailer.com.
Also on the back, it has a two-prong connection, so it accepts a female marker light plug from Peterson. That is sold separately and available at eTrailer.com, as well.This is an incandescent bulb. It's not LED. It has a 15,000-hour long light bulb, which is included. It is Department of Transportation compliant, PC rated, and it's made in the USA.When it comes to the dimensions of the unit, starting with the overall length ...
After this, we'll hook it up to power so you can see what it looks like with power into it. We're looking at about 2-1/2 inches. Edge to edge, going this direction, that's about 1-3/16, and then the overall depth measures about 13/16 of an inch deep.All right. We're going to go ahead and hook it up to power. Then we'll turn off our overhead light so you can see it in a low-light setting.
You can see here, it does send out a pretty nice consistent signal. Again, it contains one incandescent bulb, allows plenty of light to come through. Again, that bulb is rated at 15,000 hours when it comes to the lifespan of the bulb.That's going to do it for today's look at the Peterson Clearance and Side Marker Light.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Perfect match, perfect fit
Works great!
AS EXPERCTED
Worked and fit perfectly!
Easy to install
Just what I was looking for.
These looked great but I had to return since I needed ones with the female connections. The return process was quick and easy.
Work great and fit exactly, right.
Easy install, long lasting.
Perfect fit thanks for your support
very nice unit and still working after a year
A+
Ordered by mistake, didn't use.

Katrina D.
5/1/2024
Well then, let me fix that mistake for you. Lets look into a return for you.
Perfect fit, great price and fast shipp ing!!!!!
Perfect replacement light. Working grea t.
I'm a 61 yr female, and your video of the part itself helped me get the right piece, wish the video would've shown how to remove the old one to put in the new one, however, I then installed it successfully myself, in the rain..thank you for the right part visual.
Good replacement part, made by Peterson manufacturing. Direct replacement for lights on horse trailers, utility trailers, and campers.
Exactly what I was looking for. Fits perfect so I don't have to replace the base.
works good, shipping was fast
It was an exact replacement for an older style light.
Info for this part was:
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Tom
5/7/2022
Perfect