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ThinLine LED Clearance or Side Marker Light - Submersible - 2 Diodes - Rectangle - Red Lens
Optronics

ThinLine LED Clearance or Side Marker Light - Submersible - 2 Diodes - Rectangle - Red Lens

Part Number: MCL61RB
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$5.98
Retail:$8.22
You Save: 27%
Trailer Lights
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In Use/Installed

4" x 1-1/4" Rectangle. Waterproof, LED trailer light acts as a clearance or side marker when properly mounted. Durable polycarbonate housing and lens. Snap-in mounting. Accepts standard 1-wire or 2-wire plugs. P2 rated. Great Prices for the best trailer lights from Optronics. ThinLine LED Clearance or Side Marker Light - Submersible - 2 Diodes - Rectangle - Red Lens part number MCL61RB can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (2629)
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  • Videos (2)
  • Photos

Optronics Trailer Lights - MCL61RB

Highlights

  • Bright, Efficient LED Light: Two-diode LEDs give clear visibility with low 0.051-amp draw.
  • Reliable In Any Weather: Sonically sealed housing is fully waterproof and submersible.
  • Long-Lasting Performance: LEDs last 50× longer than bulbs with no filaments to break.
  • Simple Snap-In Mount: Fits A65PB or A68PB bracket for quick surface installation.
  • Durable Build: Polycarbonate lens and housing resist cracks and moisture damage.
  • P2 Rated Beam: Provides 90° total coverage for use as clearance or side marker.

Features to know about

Brighter and More Efficient Lighting: 2-Diode LED Design

This ThinLine light gives you bright, even illumination without pulling much power. The 2 red LEDs shine through a red lens and draw only 0.051 amps at 12V, making them efficient replacements for old incandescent lights that used more energy and burned out faster. With LEDs that last up to 50 times longer and no filaments to break, you’ll spend less time changing bulbs and more time on the road.

Stops Water Damage Before It Starts: Sonically Sealed and Submersible

This light is built for the elements. The durable polycarbonate housing and lens are sonically sealed into a single waterproof unit, keeping water from sneaking in and damaging the circuit board or LEDs. Whether it’s road spray or full submersion, this design keeps the light safe and reliable for years of use.

Simple Mounting Where You Need It: Snap-In Surface Mount

Getting this light installed couldn’t be easier. It snaps into a surface-mount bracket such as the A65PB or A68PB (sold separately) without any drilling through the light itself. Once it’s in place, it accepts standard 1-wire or 2-wire plugs like the A65P or A68P (sold separately), so wiring is quick and clean. At just 4" long by 1-1/4" tall by 1" thick, it fits snugly wherever you need clearance or side marker lighting.

Clear Coverage That Meets Standards: P2-Rated Beam Pattern

When mounted correctly, this P2-rated light throws a 45-degree beam on either side of center for a total of 90 degrees of coverage. That means it’s bright when viewed straight on but doesn’t spill too far to the sides—ideal when used as a clearance or side marker light. If both functions are needed, simply install a second light for proper coverage.

Specs

Dimensions

  • Overall dimensions: 4" long x 1-1/4" tall x 1" thick

Technical diagram of Optronics ThinLine MCL61RB red LED clearance or side marker light showing rectangular shape and mounting dimensions

Electrical

  • Power draw at 12V: 0.051 amps
  • Diodes: 2

Warranty

  • LED warranty: Lifetime warranty on LEDs

MCL61RB Optronics Fleet Count ThinLine LED Trailer Clearance or Side Marker Light - Submersible - 2 Diodes - Rectangle - Red Lens - P2 Rated





Video of ThinLine LED Clearance or Side Marker Light - Submersible - 2 Diodes - Rectangle - Red Lens
Video Thumbnail Video Player Dialog

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




Video Transcript for Review of the ThinLine LED Clearance or Side Marker Light

Today we'll be taking a look at the ThinLine LED Clearance or Side Marker Light. This is going to be a submersible light, so it'll work for our marine trailers where we need to have it stay nice and watertight, but it also works for just about any other trailer or enclosed trailer that you might want to mount it up on, and it should have a nice long life since we don't have to worry about any water or debris getting in there. It does have a sonically sealed, waterproof housing, so it is submersible.We'll have two diodes in there to give us our light. It's a rectangular style with a red lens. This can work out for your clearance or your side marker lights since this is P2 rated. Basically that means that it gives you 45 degrees of viewing from the center line or from when you're looking at it.

So it's pretty visible when you're looking at it straight on, but then once you start to get really far to the side, then you start to lose visibility, hence why this is P2 and you could only use this as a clearance or side marker light, it can't work as both.This will have a durable polycarbonate lens and housing. It's just that red lens over the white LEDs. It is a snap-in surface mount with some brackets that are available here at etrailer.com. If you want to pick up any of those brackets, the part numbers for those would be A65PB or A68PB. Those are sold separately, they're going to look something like this, and we can just snap our light in place.We'll notice that there are little tabs on either side that are going to snap into our bracket, and our wiring, or our posts on the back, snap into the posts on the bracket.

This pretty much provides the ground effect, so we really only have to worry about one wire coming off of this particular bracket. It just snaps into place, and now we have our one wire to connect, and then it would be grounded out by our connection point to the trailer.Since I'm just going to show this to you on the table, I'm going to actually use some clamps to get my wiring connection made. I'm going to clamp right to one of those, on the inside of that mounting hole there is some metal to provide our ground connection. Flip on my power source, and there are two LEDs.I'm going to turn out the lights in the studio so you can get a better idea of how bright that is, even in low light situations. It's still fairly bright, even though it's just a small light.

It works to make us more visible at night so that other drivers can know where we are.It is compatible with 12-volt DC electrical systems, and if you don't want to use a bracket, it can just use an industry standard one or two wire plug. Those are also available separately here at etrailer.com using part numbers A65P or A68P.As far as dimensions, let's get out our handy ruler here. I probably need to take off my bracket first. The easiest way to get this bracket off, if you choose one that's like this, there'll be a little space in between our tabs at the end. If we grab a screwdriver and kind of twist and pry outward, that will allow those tabs to get unbound.

And we'll do the same thing on the other side, just push down, pry out, and we should be able to pop that light up and out. Now we can measure it.So it's about four inches long going from the ends of those tabs, about 1 1/4 inch thick, and about an inch tall going from the top of the housing to the bottom. With the little prongs that come off the back, it's about an inch and an eighth.The power draw for this at 12 volts is 0.015 amps, very low power draw. And the other nice thing about any LED light is that it is going to last a lot longer than your incandescent bulbs since there are no filaments to break with this, so it should be a very long lasting light. And there is a lifetime warranty on the LEDs from Optronics. That's going to do it for our look at the ThinLine LED Clearance or Side Marker Light.

Customer Satisfaction Score:

Ratings & Reviews

4.8

2627 reviews
5 Stars
(2356)
4 Stars
(188)
3 Stars
(38)
2 Stars
(18)
1 Star
(27)
Review sort icon
4" x 1-1/4" Rectangle. Waterproof, LED trailer light acts as a clearance or side marker when properly mounted. Durable polycarbonate housing and lens. Snap-in mounting. Accepts standard 1-wire or 2-wire plugs. P2 rated.

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Perfect; just like the original.



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Good product



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Great



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Plug and play to replace older bulb-style lights. Perfect fit and solid product!



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Package lost on order. Sent out new order promptly.



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Fast shipping. Items as described.



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Perfect fit, snap in replacement for the old lights.



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I ordered one batch of lights to replace some that were burned out or damaged. Liked the new lights so much better that I got more and upgraded the entire trailer.



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The light for my existing based on my horse trailer. Used these to up grade market lights to led



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Works good with the proper base and is easy to install.



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Fantastic replacement side markers!



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Replaced the clearance and market lights on my 2006 Featherlite snowmobile trailer with these new thinline LED lights. Love the LED lights and hopefully I won't have to replace them ever again. Came home from snowmobiling this last weekend with all the clearance lights working and the trailer looks great.



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these worked great and FAST shipping



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They fit perfectly! Shipping was fast. Great deal overall!


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See what our Experts say about this Optronics Trailer Lights

  • Inexpensive Coupler For A 3" Channel On A Small Wood Chipper
    Hi Ross! Do you know the bolt hole spread on your channel? Both of the below options have a 2" on center bolt pattern and is the typical measurement, but let me know if your spacing is different. Pro Series Adjustable-Channel Coupler w/ Low Latch - 2-5/16" Ball - 14,000 lbs # PSA256S0303 Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Black - 2-5/16" Ball - 21K # DM14040-81 The Demco coupler is a little more expensive than the Pro Series coupler, but I very much prefer...
    view full answer...
  • Will ThinLine LED Side Marker Light Fit A A65PB Black Molded ABS Bracket?
    Yes, The ThinLine LED Clearance or Side Marker Light # MCL61RB will work with The Black Bracket # A65PB. The side marker light is 4 inches long by 1-1/4 inches tall by 1 inch thick. The light has a snap-in surface mount with the bracket # A65PB. The Single Wire Plug for Thin Line Series Trailer Clearance and Side Marker Lights # A65P will help with the grounding which is through the mounting hardware. The Amber version light # OPT66FR will work with the same bracket and single wire...
    view full answer...

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Info for this part was:

Employee Kathleen M
Video Edited:
Kathleen M
Employee Dustin K
Video Edited:
Dustin K
Employee Ronnie R
Updated by:
Ronnie R
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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