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Peterson Clearance and Side Marker Trailer Light Kit - Submersible - Incandescent - Red Lens
Peterson

Peterson Clearance and Side Marker Trailer Light Kit - Submersible - Incandescent - Red Lens

Part Number: M154KR
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$10.20
Retail:$33.83
You Save: 70%
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In Use/Installed

4-1/8" x 1-1/4" Rectangle. Waterproof, incandescent trailer light functions as both a clearance light and a side marker light. Premium bulbs for long life. Surface mounts with included bracket and lead wire. PC rated. 2 Bulbs. Great Prices for the best trailer lights from Peterson. Peterson Clearance and Side Marker Trailer Light Kit - Submersible - Incandescent - Red Lens part number M154KR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (589)
  • Q & A (0)
  • Videos (2)
  • Photos

Peterson Trailer Lights - M154KR

Highlights

  • Stays Bright Underwater: Sealed, waterproof housing keeps water out for reliable lighting.
  • Two Lights in One: PC rating gives 180° coverage for clearance and side marking.
  • Long-Lasting Bulbs: Premium incandescent lamps provide up to 15,000 hours of use.
  • Simple Surface Mount: Installs flat with included bracket—no cutting required.
  • Road Legal: DOT compliant for safe, compliant trailer lighting.
  • Compact Size: 4-1/8" x 1-1/4" rectangle fits tight spaces with 3" hole spacing.

Features to know about

Built for Wet Conditions: Sealed and Submersible Design

If your trailer ever sees the water, this light is made for it. The sealed housing keeps moisture out, protecting the circuit and bulbs from corrosion or failure. It’s completely waterproof and submersible, so you can count on it to keep shining bright even after repeated dips at the ramp or travel through heavy rain.

Better Coverage for Safer Towing: PC-Rated 180° Visibility

Visibility makes all the difference on the road. This PC-rated light produces a 90-degree spread to either side of its centerline, giving you a full 180 degrees of illumination. That wide beam lets others see your trailer from the front and sides, working as both a clearance and side marker light when installed correctly. It’s a simple way to add safety without adding extra fixtures.

Long-Lasting Performance: Durable Incandescent with Premium Bulbs

You don’t have to deal with constant bulb changes with this setup. The premium incandescent bulbs are rated for up to 15,000 hours of use, giving you reliable light trip after trip. The red lens keeps the output clean and bright while staying compliant with DOT standards for trailer lighting.

Simple Mounting: Surface Installation with Included Bracket

Mounting this light doesn’t require cutting holes or complex wiring. It surface-mounts flat to your trailer using the included black bracket, which has 3" center-to-center hole spacing. The molded lead wire connects easily into your existing 12V DC system, keeping the install neat and straightforward.

Compact Fit That Matches OEM Layouts: 4-1/8" x 1-1/4" Rectangle

At just 4-1/8" long by 1-1/4" tall, this rectangular light fits cleanly on most trailer surfaces and works as an exact replacement for Optronics #MC67RBP. The compact size keeps a low profile while still providing full brightness and coverage where it counts.

Specs

Dimensions

  • Bracket dimensions: 4-1/8" long x 1-1/8" tall x 5/8" thick
  • Light dimensions: 3-13/16" long x 1-1/4" tall x 7/8" deep
  • Distance between mounting holes (center on center): 3"

Diagram showing dimensions of Peterson Clearance and Side Marker Trailer Light with labeled measurements for bracket length, height, depth, and mounting hole spacing.

  • Bracket Dimensions: 4-1/8" long x 1-1/8" tall x 5/8" thick
  • Light dimensions: 3-13/16" long x 1-1/4" tall x 7/8" deep
  • Distance between mounting holes (center on center): 3"

Electrical and Lighting

  • Number of bulbs: 2
  • System compatibility: 12V DC
  • Light type: Incandescent
  • Lens color: Red
  • PC rated: Yes
  • DOT compliant: Yes

Diagram of PC-rated trailer light beam pattern showing 90-degree light spread to each side for 180-degree total coverage.

  • PC-rated light output: Produces a 90-degree angle of light to either side of its centerline for a total of 180 degrees of coverage.

Warranty

  • Limited warranty: 1-Year

Manufacturer Cross Reference

  • Light will work as an exact replacement for: Optronics # MC67RBP

Diagram of surface-mount trailer light installation showing flat mounting against trailer surface using a flange with mounting holes.

  • Surface mount lights: Install flat against the surface of the trailer, so a hole does not need to be cut into the trailer for the light.
  • Installation type: This type of light is installed using a flange or bracket that has mounting holes.

M154KR Peterson Clearance and Side Marker Trailer Light with Mounting Bracket and Wire - Waterproof - Incandescent - Surface Mount - Red Lens - PC Rated





Video of Peterson Clearance and Side Marker Trailer Light Kit - Submersible - Incandescent - 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 In-Depth Review of the Peterson Clearance and Side Marker Trailer Light Kit

Today we'll be taking a look at the Peterson Clearance and Side Marker Trailer Light Kit. This is going to include your light and the mounting bracket to get this installed. That mounting bracket provides us with a housing for our light and then it also has our ground connection there and the wiring coming off of it so we can get everything hooked up and lit. This is compatible with 12 volt DC systems. It has bulbs that are incandescent, but it is a sealed waterproof housing and lens unit, so it is submersible. You can use this on your boat trailers and it'll still stay lit without it getting any damage from the water.

Also just makes an overall long lasting light so there's no dirt or debris you can get in there either.We'll have two incandescent bulbs in there. We'll go ahead and hook this up to my power source so you get an idea of how bright that will be. When I hook my power to the one wire coming off of it and then my ground to that little terminal there, that little ring. Turn on my power, you'll see our light will come on. This is a PC rated light, so that means that it's visible both when you're looking straight at it and from the side so it can be used as a side marker and a clearance light at the same time, so you only need one light to do that function for you if it's mounted properly, that is.

So this is just a surface mount to the trailer. It does not come with any hardware to mount this, so you will have to pick some up on your own and you can remove this from the housing.These two tabs on either side, if you get a flat bladed screwdriver and kind of pry out on that, it'll free up the tab on the light and then you can separate the light from the housing. That will allow you to then mount it up with some screws or some hardware. Again, that is sold separately. This is DOT compliant.

Again, PC rated. Dimensions for the light on its own, it's about three and seven eighths inches long to the end of the tabs. The bracket overall is just over four inches at about four and an eighth inches there. The width of the light is a little bit more than the bracket and that's about one and an eighth. And then our bracket is just about one inch deep or one eighth inch thick there.

Overall height of just the light is about an inch and an eighth. And then with the bracket in place, it's a little bit taller. It's about an inch and five eighths so just over a half inch, an inch and a half. The distance between our two mounting holes, center to center is about three inches.Our wiring coming off of the bracket is about five inches long. It does have a one year limited warranty from Peterson, and that's going to do it for our look at the Peterson Clearance Side Marker Trailer Light.

Customer Satisfaction Score:

Ratings & Reviews

4.8

589 reviews
Review sort icon
4-1/8" x 1-1/4" Rectangle. Waterproof, incandescent trailer light functions as both a clearance light and a side marker light. Premium bulbs for long life. Surface mounts with included bracket and lead wire. PC rated. 2 Bulbs.

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It's the only part that fits my kit car



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Exact replacement



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As others have said, the design has changed a bit. The "old" style mounted the bezel via a couple of holes beneath the lens. The "new" style mounts the bezel and lens through the same holes. Not a huge deal, but one to be aware of. Otherwise they are the same thing dimensionally and the lens are the same.



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They had what I wanted. I ordered it and got it within a reasonable time. In addition, any business that has people so willing to help as Sarah S. gets an extra star from me. Customer service builds customer support. If you want loyal customers hire more people like Sarah S. Good luck to you all.



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Fits aftermarket Harbor style bumper on 1999 Dodge Ram PERFECT



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Designed different that the original. Have to enlarge the hole for mounting,which was a pain in the rear. These also have a ground wire where the orginal did not. Had to get creative to ground the fixture since I did not have access to the back.



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works good, shipping was fast



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It was an exact replacement for an older style light.



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They fit my 1977 RV on the front roof area.
only
a slight bigger and i had to enlarge
the wire hole a bit in the fiberglass panel.



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Easy Website to navigate. Parts ordered were correct & order arrived complete
& undamaged. I will use etrailer again when needed.
Good Job Guys.



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OEM quality!



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Just what I needed! Thanks!



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Good quality part and shipped fast



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Just what I needed



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Perfect match.. worked great on 2 different trailers!!



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When I installed it & tested it the light wouldn’t work.
Put the old light back in and one of bulbs still worked.


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See what our Experts say about this Peterson Trailer Lights


Info for this part was:

Employee Kathleen M
Video Edited:
Kathleen M
Employee Dustin K
Video Edited:
Dustin K
Employee Wilson B
Updated by:
Wilson B
Employee Amanda K
Updated by:
Amanda K
Employee Daron K
Edited by:
Daron K
Employee Brian T
Written by:
Brian T
Employee Aidan B
Installed by:
Aidan B
Employee Kyle M
Video by:
Kyle M

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