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

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

Item # MC57AB
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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 (sold separately). 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 - Amber Lens part number MC57AB can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (44)
  • Q & A (13)
  • Videos (1)
  • Photos
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Optronics Trailer Lights - MC57AB

  • Clearance Lights
  • Round
  • Incandescent Light
  • Amber
  • Recessed Mount
  • 2-1/2 Inch Diameter
  • Optronics
  • Submersible Lights
  • Rear Clearance
  • Side Marker

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 (sold separately). 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
  • Amber snap-on lens over incandescent bulb
  • Compatible with 12V DC electrical systems
  • Recessed mount with grommet (A55GB or A56GB - both 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 # SR2500A
Wesbar # 223223
Truck Lite # 10205Y
Grote # 45813
Peterson # 143A


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.



MC57AB Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Amber Lens - P2 Rated

Alternate part number: MC-57AB






California residents: click here


Video of Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Amber 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 - MC57AB Review

Today we're going to be taking a look at part number MC57AB. This is the Optronics Sealed, 2-1/2" Round Trailer Clearance and Side Marker Light with a Built in Reflector. It's a 1 incandescent bulb design. It is PC rated, that means it can function as both a clearance and side marker light when mounted at a 45 degree angle. It's going to have the reflectorized lens. It's Department of Transportation complaint so that's going to eliminate the need for a separate reflector. It's also going to have this sealed, waterproof housing in the lens unit.

That's a great design to have. A heavy-duty long life incandescent bulb. This does require a mounting grommet that's going to be sold separately. That's available with part number A55GB. The mounting grommet is going to require a 3" diameter hole in order to get it mounted. Here on the back side it's got a 2-prong connection so it's going to accept the industry standard 2-prong plug.

That's going to be sold separately, and the mounting grommet is sold separately as well. The overall diameter of the light is going to give us a measurement of 2-1/2" and the depth is going to give us a measurement of about 11/16". We're going to go ahead and connect this to our external power supply that way you can see what it looks like it with power running to it. I have an industry standard 2-prong plug here, just to show you how easy it is to connect it. Simply line up the connection points and push it in. It snaps in there to create a nice weather tight connection.

This is what the light's going to look like when connected to power. Again it's going to have a 1 bulb design and that is an incandescent bulb. It's got the reflectorized lens. It allows a lot of light output to come through; it distributes it pretty evenly and it's going to provide a nice, consistent light for you. This is going to function as both a clearance and side marker light when mounted at a 45 degree angle. That's going to do it for today's review of part number MC57AB. This is the Sealed, 2-1/2" Round Trailer Light from Optronics.

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Customer Reviews

Optronics Trailer Clearance or Side Marker Light - Submersible - Incandescent - Round - Amber Lens - MC57AB

Average Customer Rating:  4.8 out of 5 stars   (44 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 (sold separately). Accepts standard 2-prong plug. P2 rated.

- MC57AB
by:

Exactly what I needed. The websites showed me the breakdown of the part (exact size measurements) and I was able to order the correct replacements that I needed. Shipping was also very fast. 496151



- MC57AB
by:

E trailer did a fantastic job. Before order: Technical support / help was excellent. Goal, conversion of a 1998 Floe snowmobile trailer from surge to electric brakes. Problem, due to time and corrosion, I could only supply partial part numbers, spindle diameter. etrailer did a fantastic job, researching, and getting me the correct part numbers, so I could order. Julie did a great job. She was very timely, communicated clearly and honestly, and just “kept me in the loop”. I received the order came on the projected date, complete and undamaged. Excellent. I would highly recommend etrailer, for your part needs. 439122



- MC57AB
by:

Broke one of my warning lights and stretched out the rubber grommets. Perfect fit and matched my existing lights like nothing ever happened. Awesome price and was delivered quickly. You have a customer for life thank you. 461616



- MC57AB
by:

All items ordered were in the box to do the needed repairs - I can't wait to get started - Parts look good - Thanks 681698



- MC57AB
by:

Great product and fit perfect. 672999



- MC57AB
by:

Functions as expected. 667368



- MC57AB
by:

A+ 606240



- MC57AB
by:

Works great 582650



- MC57AB
by:

3 x cheaper than any other place online and better quality. Definitely buying from here now. 582306



- MC57AB
by:

this is a great product, original equiptment priced $15.00 lower than other suppliers. I received the light in a couple of days and will use etrailer again. thanks guys 543838



- MC57AB
by:

Works as expected. Grommet not included FYI. 513529



- MC57AB
by:

Product as described 486785



- MC57AB
by:

Good service and product was as describ ed. 472160



- MC57AB
by:

Good product, in timely fashion for standard shipping, Thanks. 459656



- MC57AB
by:

A very good product and very fast shipping ! 451561



- MC57AB
by:

Great product at a great price. They fit perfect and I installed them in only a few minutes. 428287



- MC57AB
by:

The lights are fine but the 2 1/2" grommets are too small for PJ trailers. Had to reuse the old ones. 405819



- MC57AB
by:

Very good quality,,just like the OEM marker light that came on my trailer. 394810



- MC57AB
by:

Products came on time and were exactly as described. Great service and great quality. Willdo business with again. 355284



- MC57AB
by:

nice light works well 329986



- MC57AB
by:

Excellent service. 319512



- MC57AB
by:

Bought a few of these to carry in all vehicles just to keep us legal. Excellent price, excellent value. 304766



- MC57AB
by:

Worked great 297805



- MC57AB
by:

Excellent seller....and quick to send order. Exceptional to do business with...Thanks!!! 292053



- MC57AB
by:

Great part at a great price!! 278606


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Info for this part was:

Expert Research:
Mike L
Expert Research:
Patrick B
Expert Research:
Jeff D
Expert Research:
Reno H
Expert Research:
Jameson C
Updated by:
Laura H
Updated by:
Sarah W
Updated by:
Brian T
Installed by:
Cole B

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