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Peterson Double Bullseye Clearance and Side Marker Trailer Light - 2 Bulbs - Red Lens
Peterson

Peterson Double Bullseye Clearance and Side Marker Trailer Light - 2 Bulbs - Red Lens

Part Number: 425800
In Stock
$4.94
Trailer Lights
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4" x 2" Rectangle. Incandescent trailer light serves as a clearance and side marker light. Double bullseye with premium bulbs for long life. Snap-on lens. Surface mount - hardware not included. 1-Wire design. PC rated. (2) 194 bulbs. Great Prices for the best trailer lights from Peterson. Peterson Double Bullseye Clearance and Side Marker Trailer Light - 2 Bulbs - Red Lens part number 425800 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (43)
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  • Videos (1)
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Peterson Trailer Lights - 425800

Highlights

  • Bright, Reliable Illumination: Double bullseye design with (2) 194 bulbs gives strong, even light for visibility.
  • Dual Purpose Coverage: PC rating means it works as both a clearance and side marker light when mounted correctly.
  • Simple Wiring Setup: Single 1-wire design powers the light and grounds through the mounting hardware.
  • Quick Lens Service: Snap-on red acrylic lens makes bulb access fast with no tools needed.
  • Easy Surface Mounting: Installs on standard 3" centers and sits flat against trailer walls.
  • Road Legal: DOT compliant for use as a clearance or side marker light.
Made in USA

Features to know about

Bright, Reliable Illumination: Dual-Bulb Bullseye Design

Good lighting makes all the difference when you’re out on the road. This Peterson Double Bullseye clearance and side marker light uses two 194 incandescent bulbs to throw out bright, even light through its red acrylic lens. Each premium bulb delivers up to 15,000 hours of life, giving you consistent visibility with minimal upkeep. With a total power draw of only 0.25 amps at 12V, it’s efficient while still cutting through the dark when visibility matters most.

Simple Setup That Just Works: 1-Wire Grounding System

No complex wiring here. The single-wire design powers the light while grounding through the mounting hardware, making installation clean and straightforward. It mounts on standard 3" centers with a surface-mount layout, so it sits flush without extra brackets or drilling for the wiring. It’s a simple setup that keeps things tidy and dependable once installed.

More Coverage Where You Need It: PC-Rated 180-Degree Visibility

Seeing and being seen from every angle is key for safety. This light’s PC rating means it produces a 90-degree beam from either side of its centerline for a full 180 degrees of coverage. When properly mounted, it works as both a clearance and side marker light, so drivers can spot you from the front or side—ideal for staying visible in low-light or busy traffic conditions.

Built to Last: Durable Housing with Snap-On Lens

The sturdy rectangular housing measures 4" long by 2" tall and 1-1/8" thick and stands up well to everyday use. Its snap-on acrylic lens makes bulb changes quick while keeping moisture and debris away from the sockets. DOT compliance ensures it meets lighting standards for road use, so you can trust it to perform mile after mile without fuss.

Specs

Dimensions

  • Overall size: 4" long x 2" tall x 1-1/8" thick
  • Distance between mounting holes (center on center): 3"

Dimensional diagram of the Peterson Double Bullseye Clearance and Side Marker Trailer Light showing 4-inch by 2-inch rectangular shape and mounting hole spacing.

Electrical

  • Bulb type: 194/193
  • Number of bulbs: 2
  • Power draw at 12V: 0.25 amps

Warranty

  • Warranty: 1-Year limited warranty

M138R Peterson Double Bullseye Clearance and Side Marker Trailer Light - Incandescent - Rectangle - Surface Mount - Red Lens - PC Rated





Video of Peterson Double Bullseye Clearance and Side Marker Trailer Light - 2 Bulbs - Red Lens
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Breaking Down the Peterson Double Bullseye Clearance and Side Marker Trailer Light

Today we are looking at the Peterson Rectangular 2 Bulb Trailer Clearance Light, part number 425800. All the metal parts are tinted brass to prevent corrosion. It has a 2,500 hour bulb which is included. The light mounts on 3 inch centers. We can remove the lens and you can see it is a single wire design that grounds to the mounting hardware.

We can go ahead and supply power to it and see what it looks like when its lit up. Attach our ground to our mounting hardware and our power supply to our wire. Now I will go ahead and turn off the lights and show you what it looks like when it is lit up when it is dark. And there you have it for the Peterson Rectangular 2 Bulb Trailer Clearance Light, part number 425800.

Customer Satisfaction Score:

Ratings & Reviews

5.0

43 reviews
Review sort icon
4" x 2" Rectangle. Incandescent trailer light serves as a clearance and side marker light. Double bullseye with premium bulbs for long life. Snap-on lens. Surface mount - hardware not included. 1-Wire design. PC rated. (2) 194 bulbs.

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Quality produce and price, always good communications and service



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Great replacement lights



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Always count on ETrailer to have everything you need.



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Used etrailer.com a lot - big or small parts every time they deliver!



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The product came as specified and out of 5 replacements, all were consistently in tact, fully functioning, and fit perfectly on my 1980 Airstream Caravelle.



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The trailer lights are great, they're great quality and were a great replacement for the old lights of my Grumman Olson



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I got my order delivered when it was supposed to be here. Everything came without anything damaged. The only complaint was that the packaging was loose, I was surprised that the side marker lights survived the ride.



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As described with a lead for your chased activation energy and but grounds to trailer. Make sure you have this scenario and these lights will work perfect!



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Fit nice. Work great.



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Quality product. Still shining bright.



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Great replacement lights



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The trailer lights are great, they're great quality and were a great replacement for the old lights of my Grumman Olson



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Got this as a replacement for one damaged on our '95 Airstream. Easy to install, looks great with the older originals. Price was much better than getting OE.



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Perfect fit, great price, fast easy delivery. What else could you ask for. eTrailer has outstanding customer service as well.



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As described with a lead for the positive activation energy and grounds to trailer. Make sure you have this scenario and these lights will work perfect!



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Excellent 1-wire clearance lights. Good price, too.

These lights lined up with the mounting posts on a 89 Tioga class-c motorhome, perfectly.

These lights have two bulbs, and ground off the post. On my 89 ford tioga, the rear clearance lights were ground on one post and hot on the other. I had to modify these clearance lights to ground on only one post and used a ring connector on the 1-wire, connected to the hot post. On a couple of the lights I had to solder a jumper wire on the aluminum ground strip so that both bulbs would be grounded off of one post. You'll know what I mean when you look at the light.

Otherwise, great product.



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I used this light in red and amber to replace the clearance lights on my 1970 Airstream. I thought it would be a close match to the 45 year old crumbling lights on my trailer. As it turned out, the lights were nearly an exact match to my originals, even the mounting holes lined up. However the hole in the back for the wire did not line up. I had to enlarge the hole for the wire to pass through. I used pop rivets to attach the base to the trailer and each light worked perfectly. The center light in the picture is the new one.



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Ordering was simple and shipping was fa st!


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See what our Experts say about this Peterson Trailer Lights

  • What Red Incandescent Side Clearance Light do You Have to Match My TMC 2294?
    Hello C.J., Looks like you already ordered the matching one! The Peterson Double Bullseye Clearance and Side Marker Trailer Light - 2 Bulbs - Red Lens # 425800 will be the best match if you have a white housing. If your housing is black, you will want the Double Bullseye Trailer Clearance and Side Marker Light - Two Bulb - Red # MC42RB. So what happened to the missing one? Or is that a mystery in itself?
    view full answer...
  • Clearance and Side Marker Lights That Are Made In The USA
    The Optronics Red LED Trailer Clearance or Side Marker Light # MCL32RB will come from their factory in Taiwan. If you are looking for clearance lights that are made in the USA I recommend the Peterson Double Bullseye Clearance and Side Marker Trailer Light in Red # 425800 or Amber # 425600. These have the same 4" long by 2" wide footprint but use bulbs rather than LED's. The bulbs can be swapped for LED's # DI88VR if you prefer the lower power draw and longer life of LED lights.
    view full answer...
  • Can a Trailer Clearance Light be Used as a Motorcycle Tail Light
    The issue is that trailers have a separate circuit that just does running lights which is what this clearance light, # 425800, would tie into. It only has that one function so it only has the 1 wire. A motorcycle generally has a bulb that will function as a brake light and as running lights with the turn signals being separate. You could potentially attach the one power wire on the light to both circuits on the motorcycle however the bulbs only have one function so they would not get...
    view full answer...
  • Wiring and Installation of the Peterson Red Rectangular, Two Bulb, Trailer Clearance Light
    The light, part # 425800, mounts on standard 3 inch centers. The light contains a single lead wire for power and is grounded through the mounting hardware.
    view full answer...

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Info for this part was:

Employee Robert G
Expert Research:
Robert G
Employee Michael H
Expert Research:
Michael H
Employee Laura H
Updated by:
Laura H
Employee Brian T
Updated by:
Brian T

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