Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
4" L x 2-1/16" W x 1-1/16" D; PC-rated; corrosion resistant; replaceable lens and bulbs; surface mount on 3" centers; 2-wire; 2-bulb incandescent
This oval, 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 red light measures 4" long x 2-1/16" wide x 1-1/16" deep. The molded plastic housing and durable lens provide all-weather protection against corrosion. The two-bulb design greatly increases the light output. The light features a replaceable, snap-on lens and easy-to-replace bulbs. The light mounts on standard 3" centers, and the two-wire design includes the lead and ground wires to mount to any surface.
Manufacturer Cross Reference
Light will work as an exact replacement for:
Uni Bond # ML2043R
Truck Lite # 26301R
Grote # 45262
Peterson # 135R
Bargman # 30-58-005
Two-bulb clearance and side marker light. PC-rated light functions as both a clearance and side marker light when properly mounted on a 45 degree angle. Two-bulb design optimizes light output. Features snap-on, replaceable lens and easy to change replaceable bulb. Mounts on industry standard 3" centers. All-weather, molded plastic housing and durable lens protect against corrosion. Contains both lead wire and ground wire for mounting to all surfaces.
Video of Oval Two-Bulb Trailer Clearance and Side Marker Light, 2 Wire - Red
Videos are provided as a guide only. Refer to manufacturer
installation instructions and specs for complete information.
Today we have Optronics Oval 2 Bulb Trailer Clearance and Side Marker Light part number MC66RB. This light utilizes 2 bulbs for higher light output. Both the bulbs and the lens on this unit are user replaceable. The light is designed to surface mount on your trailer using mounting holes that are 3 inches on center. It utilizes a 2 wire design meaning you will have one wire lead for power and the other wire lead will be for your ground connection. Next we are going to hook the light up to a power supply so you can see how it looks. We will connect our white wire to ground and our black wire to power. Next we will turn off the overhead light so you can see how bright the light is. And that is it for the Optronics Oval 2 Bulb Trailer Clearance and Side Marker Light part number MC66RB.
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Average Customer Rating: 
5.0 out of 5 stars (3 Customer Reviews)
by: GEORGE02/26/2013
Is this review helpful?
The lights were better than expected. I couldn't believe how fast the shipping was. I can't wait to do my next order. Job well done. Thanks.67794
by: Jason S.06/13/2011
Is this review helpful?
After working on the old lights on my camper numerous times just prior to leaving on a trip and while traveling, I decided it was time to replace all of the lights. I purchased two new tail/brake lights, and four new side markers. The total price including shipping was just over $28 (I should have done this a long time ago). The lights arrived within 3 days of being ordered, and I was able to install them fairly quickly. I am so happy that I now have all six lights working perfectly, and shouldn't have to worry about them for a long time16917
by: Steve L.03/01/2011
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Good Quality 8154
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