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Good visibility means better safety. This Peterson clearance and side marker light is PC rated, giving you a 90-degree beam to either side for a total of 180 degrees of coverage. Mounted correctly, it works as both a clearance and side marker light—so other drivers can see you from the front, rear, or side. The red lens and incandescent 194 bulb give off a clear, bright signal that meets DOT standards for reliable road use.
Keeping your trailer compliant and visible shouldn't mean adding more parts. This light has a built-in reflex reflector molded right into the lens. You don’t need to install a separate reflector to meet safety requirements—it’s already taken care of. That means fewer parts to buy and one less thing to mount while still staying visible in low light.
Installing this light is quick and straightforward. It mounts with the included stud, so there’s no need for special brackets or extra hardware. The quick-connect wiring lets you just insert your stripped wire into the port for a secure fit—no crimping needed. There’s also an extra port for adding a ground if you’re mounting on a non-metal surface. Everything about the design is made for simple, solid installation.
Built to hold up through years of use, the premium incandescent bulb inside lasts up to 15,000 hours. It runs efficiently on 12V DC systems with only 0.25 amps of draw, keeping power demand low while giving consistent light output. The red screw-on lens protects the bulb from dirt and road grime, so it stays dependable wherever you take it.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we are looking at the Peterson Rectangular Trailer Light with Reflector, part number 423400. This mounts with a single stud, quarter inch in diameter. It has a 2,500 hour heavy duty bulb that is included. It comes with a replaceable reflective lens. This is a single wire system and grounds to the mounting stud.
Lets go ahead and hook it up to a power supply so you can see how it looks lit up. Now well go ahead and turn off the lights so you can see what it looks like in the dark. And there you have it for our Peterson Rectangular Trailer Light with Reflector, part number 423400.
Ratings & Reviews
This is an EXTREMELY difficult light to find. I called by boat trailer manufacturer (EZ Loader) and they said that Wesbar made these wedge lights since the early 1990s and 2 years ago they had stopped making them? This light is a PERFECT replacement to that Wesbar wedge light that has been discontinued. E Trailer is an AWESOME company. This is my 5th order and I cant say enough good things about this company. Extremely helpful folks - fast shipping and superior products. REALLY pleased.
Always excellent customer service and fast shipping
Not so much a review on this product
But on the great service I got from etrailer
They shipped the wrong lights by accident
They sent out the correct lights the same day I called them.
Excellent customer service 5 star service!!
These lights were exactly like the lights I had to replace on my boat trailer. I was able to easily select what I needed, and they shipped the same day. Installation was simple. I did have to use a mounting screw larger than the ones provided only because the existing screw holes were larger than the provided screws. I which I would have known about them sooner.
Good stuff. Great price. Shipped quick.
Perfect!
they were okay
Everything arrived as ordered. Good price and quick shipment
Nice looking parts , great price ,fast turn around thanks. E Trailer
Fast shipping. Thx
Product as described, quick shipping.
Great to find a light with a stud. Fantastic pricing, communication and timely shipping!
etrailer had everything in stock
Fast shipping too
Very happy and will be a repeat customer
Good communication, reasonable shipping costs and shipped in a timely manner.
That's why I buy here!
They were exactly what we were looking for! Worked perfectly. Thank you!
We also chose the economy shipping and still took less than a week to get them. We greatly appreciate it.
I had been looking in stores for these lights for some time now and no one seemed to have them in stock. I had installed these exact lights on my trailer 7 years ago, and one was damaged. No I have the exact replacement, awesome.
Could not find these little red lights at any of the stores near me. Plenty of yellow ones. Worked right out of the box. Put on trailer and hit the road.
Good price and very fare shipping price. Cheaper than eBay was. Will buy from them again.
Light was delivered faster than expected,and the quality was much better than anyone else. Best place for all your trailer parts
Info for this part was:
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Brent
8/27/2017
1 year later and still working fine. Great price for the light.