Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
3-15/16" L x 1-1/4" W x 7/8" D; PC-rated; sealed, waterproof; surface mount on 3" centers; wiring required; 2-bulb incandescent
This sealed, dual-bulb light can be used as a clearance or side marker light. This PC-rated light functions as both a marker and clearance light when mounted properly at a 45 degree angle. This thin, rectangular, amber light measures 3-15/16" long x 1-1/4" wide x 7/8" deep. Lens and housing are one unit that is sonically sealed and waterproof, providing protection to the heavy-duty, long-life bulbs. The two-bulb design greatly increases the light output. This light mounts on standard 3" centers. Choose from many mounting and wiring options, required to complete the installation.
Manufacturer Cross Reference
Light will work as an exact replacement for:
Uni Bond # SE1040A
Wesbar # 221901
Truck Lite # 19200Y
Grote # 46743
Peterson # 154A
Bargman # 40-38-002
Two-bulb clearance and side marker light. PC-rated light that functions as both a clearance and side marker light when properly mounted on a 45 degree angle. Two-bulb design for optimized light output. Features sonically sealed, waterproof lens and housing in a single unit. Mounts on industry standard 3" centers. Single-wire design grounds through mounting hardware (sold separately).
Video of Sealed, Thin Line Two-Bulb Trailer Clearance, Side Marker Light - Amber
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Today we are going to take a look at Optronics Sealed Thin Line 2 Bulb Clearance Marker, part number MC65AB. This light is in a sealed waterproof housing. It utilizes 2 incandescent bulbs inside for high light output. It is designed to mount on Optronics brackets that use 3 inch center mounting holes. There are tabs on the side of the light that will snap into the bracket and connection posts at the back for our wiring. Next, we are going to show you how the light works. We will grab our power supply. Connect one of the pins to our power circuit and the other to our ground light. Next we will turn off the overhead lights and show you how bright it is. And there you have it for Optronics Sealed Thin Line Clearance Marker, part number MC65AB.
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Average Customer Rating: 
4.6 out of 5 stars (13 Customer Reviews)
by: Rob03/16/2011
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Excellent. 9527
by: GARY04/12/2013
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This was my first time ordering from E-Trailer and I was very satisfied with their service and simplicity of online ordering. They had all the parts I needed and were received efficiently and packaged well. Their prices were very competitive as well. I have added E-Trailer to my favorites list for trailer parts. 75574
by: no name04/08/2013
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Ordered replacement running lights for my CM trailer. Perfect match. Arrived timely and in good condition. No problems; hassle free.74774
by: Daniel04/05/2013
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Product was what I ordered and was here in 3 days. Thanks74448
by: Mike B.12/15/2012
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Just what I needed and delivered in good time61537
by: Pete12/09/2012
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I purchased 8 of these lights. 7 work great, while one is only about 1/3 as bright as others no matter where it is plugged in. Cost more to return it than what it is worth. Poor quality control.61016
by: Wayne H.07/13/2012
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Excellent service, fast shipping 47823
by: Amy05/30/2012
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Got just what I ordered and I got it fast. Easy Peasy.42042
by: Charles T.04/10/2012
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Knowing that a Black trailer would be hard to see at night the following lights were added to my custom built trailer for night time safety. 1- Side mount red and yellow fender light which only works when either the brakes or turn signal are in use. 2- Front Clearance lights, which give additional lighting at night when approaching on coming vehicles. 36754
by: Tom R.12/21/2011
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WOW, instant e-mail feedback on order status change, FAST delivery, great quality product28464
by: Les D.09/14/2011
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Good quality parts. Happy with this pur chase.23952
by: James D09/12/2011
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Everything was delivered fast and free of problems. Thank you23847
by: Bill H.05/31/2011
Is this review helpful?
Like other reviews have said, I also found the side marker lights very easy to install. The only problem? They're brighter than every other light on my 1983 Coleman Columbia camper. I'm thinking about replacing the rest with e-trailer lights! And the service was first-rate... Not always the case with e-commerce outfits.15767
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