Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Red Lens

Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Red Lens

Item # MC57RB

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Optronics Clearance Lights - MC57RB
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  • Clearance Lights
  • Round
  • Incandescent Light
  • Red
  • Recessed Mount
  • 2-1/2 Inch Diameter
  • Submersible Lights
  • Optronics
2-1/2" Diameter round. Waterproof, incandescent trailer light serves as a clearance or side marker light when properly mounted. Built-in reflex reflector. Recessed mount with grommet (not included). Accepts standard 2-prong plug. P2 rated. Lowest Prices for the best trailer lights from Optronics. Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Red Lens part number MC57RB can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (43)
  • Q & A (10)
  • Videos (1)
  • Photos
  • Why etrailer?

Optronics Trailer Lights - MC57RB

2-1/2" Diameter round. Waterproof, incandescent trailer light serves as a clearance or side marker light when properly mounted. Built-in reflex reflector. Recessed mount with grommet (not included). Accepts standard 2-prong plug. P2 rated.


Features

  • Round trailer light functions as either a side marker or clearance light when properly mounted
  • Built-in reflex reflector removes the need for a separate reflector
  • Sonically sealed, waterproof housing and lens unit is submersible
  • Incandescent bulb can be easily replaced
  • Durable polycarbonate housing and lens
  • Red snap-on lens over incandescent bulb
  • Compatible with 12V DC systems
  • Recessed mount with grommet (A55GB or A56GB - sold separately)
  • Accepts industry standard 2-prong plug (A46PB or A86PB - sold separately)
  • DOT compliant
  • P2 rated


Specs:

  • Dimensions: 2-1/2" diameter x 11/16" thick
  • Bulb type: incandescent
  • Power draw at 12.8V: 0.2 amps
  • 3-Year warranty


Manufacturer Cross Reference
Light will work as an exact replacement for:
Uni Bond # SR2500R
Wesbar # 223224
Truck Lite # 10205R
Grote # 45812
Peterson # 143R


Optronics MC57 Series Marker Clearance Light Dimensions

Sonically Sealed, Waterproof Trailer Light

The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer. The housing and lens are sonically sealed together to create a single unit, which means that water will not get into the light and damage the diodes or circuit board.


P2-Rated Lights

Diagram of light spread for P2 rated light

A P2-rated light produces a 45-degree angle of light to either side of its centerline for a total of 90 degrees of coverage. This beam pattern can be seen straight on, but it cannot be seen clearly from the side. So this type of light can be used as either a side marker light or a clearance light, but it cannot function as both. If you need both functions, then you must install 2 separate lights on your trailer - one as a front or rear clearance light and one as a side marker light.



MC57RB Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Red Lens - P2 Rated

Alternate part number: MC-57RB






California residents: click here


Video of Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Red Lens


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Optronics Trailer Lights - Clearance Lights - MC57RB Review


Customer Reviews

Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Red Lens - MC57RB

Average Customer Rating:  5.0 out of 5 stars   (43 Customer Reviews)

2-1/2" Diameter round. Waterproof, incandescent trailer light serves as a clearance or side marker light when properly mounted. Built-in reflex reflector. Recessed mount with grommet (not included). Accepts standard 2-prong plug. P2 rated.

- MC57RB
by:

Great product at a great price. They fit perfect and I installed them in only a few minutes. 428995



- MC57RB
by:

The lights are fine but the 2 1/2" grommets are too small for PJ trailers. Had to reuse the old ones. 405823



- MC57RB
by:

Very good quality,,just like the OEM marker light that came on my trailer. 396653



- MC57RB
by:

I replace the clearance lights on my motorhome and these fit perfectly 386002



- MC57RB
by:

Product received on time and great price. Fit perfectly and still working perfectly. This site has everything you need at great prices. Very descriptive which made ordering easy. This is my only source for my trailer needs. 378091



- MC57RB
by:

Products came on time and were exactly as described. Great service and great quality. Willdo business with again. 355286



- MC57RB
by:

Great price, easy online shopping, great product 349497



- MC57RB
by:

Very quick ship. Half the price included shipping. Will buy more products. 345216



- MC57RB
by:

PERFECT - JUST WHAT WE NEEDED. THANK Y OU. 337089



- MC57RB
by:

works well 329989



- MC57RB
by:

I completely rebuilt my boat trailer and used a lot of parts from e trailer Every part was of great quality. Very good prices and fast shipping. I would use them again for all my trailer needs. 328687



- MC57RB
by:

Products were exactly what I ordered and delivered sooner than I expected. A great buying experience. 321153



- MC57RB
by:

Great and fast service! Part arrived as described online. Best price online. 315358



- MC57RB
by:

Worked great 297806



- MC57RB
by:

thanks for all the help Rose DID GREAT JOB HELPING ME dave 300063



- MC57RB
by:

Marker lights are exactly what i needed.Vary timely shipping. 293281



- MC57RB
by:

This light fit perfectly and replaced the original one on the trailer. Took only a couple minutes to install. 274996



- MC57RB
by:

Great service and great product 271160



- MC57RB
by:

Quick delivery, great price. 255065



- MC57RB
by:

fit in existing bezel fine. nice and bright. Rec'd quickly. if I had of installed the day I rec'd, I would not have had discussion with iowa trooper. my bad, could have been prevented as your service shipping was spot on 243001



- MC57RB
by:

Got exactly what I ordered. Fast shipping. Good price. Everything as expected and it works great! 236907



- MC57RB
by:

Perfect replacement for a broken Marker Light, fits and works great. 214626



- MC57RB
by:

Exactly as described, fit great and quick ship. Will always buy from etrailer in the future. Thx 214567



- MC57RB
by:

Matched Perfectly! 201483



- MC57RB
by:

Thanks, Just what I needed. Packed well. 201037



- MC57RB
by:

Quick delivery, exactly as described. 190009



- MC57RB
by:

Great 189239



- MC57RB
by:

Equal to or better than the same lights available locally, but at half to 1/3 of the local prices. Even paying shipping I save a lot. Delivery with E-Trailer is always timely, too. 186574



- MC57RB
by:

Quality product. Was as advertised and shipping was very fast as usual. 179170



- MC57RB
by:

Replacement lights for my trailer were exactly what I needed and ordered. Arrived promptly in excellent new conditions. Have used etrailer before with same excellent results and will use them again. I'm very satisfied. 177124



- MC57RB
by:

The product as perfect and was accurately described. We have about 60 trucks in our fleet and use these frequently. We will definitely be returning customers. Not only was everything shipped out immediately. It is also some of the best customer service I've had with online purchasing. 165771



- MC57RB
by:

Just what i orderd and i got it quick. Thank you 147926



- MC57RB
by:

awesome 146762



- MC57RB
by:

Installed in less than 2 minutes. Great price, nice light 137200



- MC57RB
by:

Right description, good service, perfect part. 122675



- MC57RB
by:

Nice light. Fit tight into 2 1/2 gromme t. 115474



- MC57RB
by:

As advertised great Price 112471



- MC57RB
by:

Exactly as shown. Fit perfect. The order was shipped fast and was correct. 110978



- MC57RB
by:

I have a flat bed on my truck and it uses trailer lights in it. When I looked for replacements all the stores wanted $10 to $30 a peace!!! Etrailer saved me almost $100 over going to may local store. I ordered it on sunday night. I had 2 personal emails telling me my order was ready and being shipped. ON SUNDAY NIGHT!!! I had my order by Wednesday with a follow up email telling me my package was waiting for me at home. My only complaint is why other online stores can provide this service. etrailer, I will be ordering again. Thank You 104388



- MC57RB
by:

Original trailer lights were not lasting long...these have worked like champs! 98013



- MC57RB
by:

Great OEM replacement , fast shipping 79406



- MC57RB
by:

Great products and easy to install and use. Last much longer than the surface mounted screw in lights. 72253



- MC57RB
by:

Great prices and quick shipping 49109


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Info for this part was:

Video Edited:
Patrick B
Expert Research:
Jameson C
Expert Research:
John H
Expert Research:
Adam R
Updated by:
Laura H
Installed by:
Cole B
Updated by:
Sarah W
Photos by:
Jeffrey L
Updated by:
Brian T

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