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This 5-1/2" round Peterson trailer tail light keeps things simple with one unit handling stop, tail, and turn functions. It uses a single 1157 incandescent bulb that’s easy to replace when needed. The red lens gives strong, consistent illumination so signals are clear and visible to others. With a power draw of 2.2 amps at 12.8V, it fits right into standard 12V DC systems while staying DOT compliant for peace of mind on the road.
Rough roads can shake loose or burn out bulbs fast, but this light is made to handle that. The Vibar socket absorbs road shock and vibration, helping the bulb last longer and keeping your lighting steady even when the ride isn’t. It’s a small touch that makes a big difference in reliability over time.
The stainless steel housing with a retaining ring protects the light from wear and corrosion, keeping it looking good and working strong. Its flush mount with a built-in flange gives a clean look while holding everything securely in place. That durable shell means less worry about rust or cracking from the elements.
This light uses a 2-wire design with power leads and grounds through the mounting stud—just connect and go. Installation is direct thanks to its recessed mount style; it fits into a 4-1/2" diameter hole and sits flush once in place. The layout makes it easy to use existing wiring or start fresh with standard 14-18 gauge trailer wire.
When you’re replacing an older light, fit matters most. This one lines up perfectly as a replacement for Grote #50232, Truck Lite #40058R, and Optronics #ST40RB. You get the same dependable performance in a setup that installs where your old one came out—no surprises or extra drilling required.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to be taking a look at part number 429800. This is the Peterson Round Red Trailer Taillight. This taillight is going to provide your stop, turn, and taillight functions. It is designed to be a flush mountain design. You can see that we have the nice mounting flange that's going to contain 3 mounting holes. That's going to need to be mounted in a hole with a diameter of 4 and a half inches, so measuring from this point here to this point here.
Up closer to the flange, so right here to the same point on the other side. That's going to give us a measurement of about 4 and a half inches. That tells us the size of hole that this would actually mount into. We're going to have a stainless steel housing. We're going to have the reflector built into the lens on the light. That goes right around the perimeter there.
This is going to feature a 2 wire design. You're going to have your red wire for your stop and turn signal. Brown wire for your power for the taillights or running lights. Then the units designed to ground through the mounting hardware. Now your mounting hardware's not included, that is going to be sold separately but it grounds through the mounting hardware.
It's going to use a snap ring or retaining ring to hold the lens in place. That's really easy to remove, I just push a screwdriver in there and then you can pry it a little bit just to take the tension off. That's going to remove and then that's going to allow the lens and the gasket to fall out. That's going to allow you to gain access to the inside right here in case you ever need to change the bulb. This is going to use bulb 1157, it's going to sit in a brass socket so it's easily replaceable if needed. Then to get this reinstalled simply just place the gasket back down in there, place the lens on top.
Then we'll take our ring, squeeze it together until we get it to fit back inside, it will snap into place. Pretty simple, again the bulb is going to sit in that brass socket. The light itself is SAE and Department of Transportation compliant. If we take that diameter measurement of just the light, measuring basically just the lens, we're looking at about a 4 inch measurement. Outer diameter from outer edge to outer edge is going to be about 5 and a half inches. The depth on the light from very back to very front, you're looking at about 1 and 5/8ths of an inch. Then, again, it's going to contain 3 mounting holes. The distance that we have between our mounting holes measuring on center, that's going to give us a measurement of 4 and 1/4 of an inch. That should be the same for each set, so center on center, 4 and 1/4. Now we're going to go and hook this up to our external power that way you can see what the light looks like when it's turned on. We'll also be able to turn off our overhead light so you can see in a low light setting. Here you can see the light has got a nice consistent signal. This is going to be the taillight or running light function of the light. Then when we apply our brakes you can see how that illuminates for a brighter signal output. Then when we activate our turn signals it's going to do that same thing just in increments. That's going to do it for today's look at part number 429800.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
My lite came faster than expected, excellent condition, very please, thank you
The product was exactly what I wanted.
Package item came as described size and all. I got it installed within 10mins of getting the package from UPS.
good quality.rust free after 1 year out side
Great durable product. Just like the originals that I removed that were at least 35 years old.
This is a great product haven't had any problems with it at all worked fine from the time I put it in I really like it.
Just what I needed, thanks.
great product. came on time.
Cheryl
1/18/2018
Still looking good and working nicely despite sitting out in weather.
They are laying on a shelf and do as I expected laying there. Must complete trailer restoration to see how they work.
I chose these for my husband’s 2000 GMC Utility bed truck, from your detailed video, and measurements I took to compare to the video! They are going to fit perfectly! This may help others with the same model and year truck with utility bed.
Exactly matches the original. Customer service, communications and fast shipping
These are great replacement parts being used for a 1980s Chevy P30 step van. Parts are great quality and fit/work great. Thanks E-Trailer
This purchase was to replace original equipment lights that became rusted after two years of use. These replacement lights show no rust and have been operationally trouble-free in a salt-air environment since I installed them. They are 5 star quality and inexpensive. Mine still look new.
Quality product, quick shipping, great communication...what more could you ask for. The incandescent tail lights were just what I needed for my ‘67 ramp truck. Thanks etrailer, I’ll be back!
One year later and the taillight still works like new. Pulled the horse trailer from Texas to Minnesota and back. No issues. Great product and the installation was easy.
Peterson trailer lights installedPhotos of peterson lights installed on trailer
1981 Chevy C20 Utility Pick-up Truck - Perfect fit replacement. Disconnected the old wires, connected the new light. Brake, turn and running lights all work. Put heat shrink on the wires first, soldered the wires together, do one final test, flame it with a lighter to shrink the wrap. Looks and works great.
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Curtis D.
6/29/2019
fine