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Identification Light Bar for Trailers over 80" Wide - Submersible - 9 LEDs - Silver Base - Red

Identification Light Bar for Trailers over 80" Wide - Submersible - 9 LEDs - Silver Base - Red

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14-1/4" Long x 1-3/16" tall x 1-5/16 deep. Waterproof identification light bar with 3 replaceable red 3-LED lights is designed for trailers wider than 80". Polycarbonate lens and stainless steel base. Surface mount. Single-wire design. Lowest Prices for the best trailer lights from Optronics. Identification Light Bar for Trailers over 80" Wide - Submersible - 9 LEDs - Silver Base - Red part number MCL97RB can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (78)
  • Q & A (7)
  • Videos (1)
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  • Why etrailer?

Optronics Trailer Lights

  • Clearance Lights
  • ID Bar
  • LED Light
  • Red
  • Surface Mount
  • 14L x 1W Inch
  • Optronics
  • Submersible Lights
  • Rear Clearance

14-1/4" Long x 1-3/16" tall x 1-5/16 deep. Waterproof identification light bar with 3 replaceable red 3-LED lights is designed for trailers wider than 80". Polycarbonate lens and stainless steel base. Surface mount. Single-wire design.


  • Trailer light functions as an identification light bar for trailers wider than 80"
    • 3 Optronics MCL series lights are replaceable (MCL95RB - sold separately)
  • Sonically sealed, waterproof housing and lens units are submersible
  • LEDs make great replacements for incandescent lights
    • Last 50 times longer
    • More efficient - provide brighter light with less power output
    • No bulbs to replace - no brittle filaments
  • Stainless steel base resists corrosion and rust
  • Durable polycarbonate lens
  • Mounts to surface of trailer - hardware included
  • Single-wire design - light grounds through mounting hardware
  • DOT compliant
  • P2 or P3 rated


  • Overall dimensions: 14-1/4" long x 1-3/16" tall x 1-5/16" deep
    • Individual light dimensions: 2-1/8" long x 1-1/8" tall x 1-1/16" deep
  • Distance between mounting holes (center on center): 8-1/2"
  • Diodes: 9
    • 3 Diodes per light
  • Power draw at 12.8V: 0.153 amps
  • Lifetime warranty on LEDs

Optronics MCL97 Series LED Identification Light Bar Diagram

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 of each light 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 or P3-Rated Lights

Diagram of light spread for P2 rated light

A P2-rated or P3-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.

MCL97RK Optronics Identification Light Bar for Trailers over 80" Wide - Submersible - 9 LEDs - Silver Base - Red

Alternate part number: MCL-97RK

Item # MCL97RB

California residents: click here

Video of Identification Light Bar for Trailers over 80" Wide - Submersible - 9 LEDs - Silver Base - Red

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 - MCL97RB Review

Today we are going to show you Optronics Sealed 3 Light Truck and Trailer Identification LED Light Bar, part number MCL97RB. This light bar has 3 individual MCL95RB lights. Inside each light are 3 LEDs for a total of 9 LEDs that draw .058 amps at 12.8 volts.

Its designed to surface mount using mounting holes that are 8 1/2 inches on center. Its a single wire design meaning it will ground through the hardware used to mount the light, and you will get your power on the power wire lead. Next we will hook up the light to a power supply to show you how it looks. We will clip our brown wire to the bracket, and connect our power wire to our power lead on our power supply. Next we will turn off the overhead lights so you can see how bright the light is. And thats it for Optronics Sealed 3 Light Truck and Trailer Identification LED Light Bar, part number MCL97RB.

Customer Reviews

Identification Light Bar for Trailers over 80" Wide - Submersible - 9 LEDs - Silver Base - Red - MCL97RB

Average Customer Rating:  4.9 out of 5 stars   (78 Customer Reviews)

14-1/4" Long x 1-3/16" tall x 1-5/16 deep. Waterproof identification light bar with 3 replaceable red 3-LED lights is designed for trailers wider than 80". Polycarbonate lens and stainless steel base. Surface mount. Single-wire design.


excellent product of great quality. etrailer is an excellent source for my needs. 335820


Had to replace my old lamp tail bar so I chose this LED style unit. It is a lot brighter then the old one and with the low profile it should not get damaged as fast as the old lamp one did. And with the screwed on lamps they won't be falling out like the lamps did before either. 71452


It has been less than one year and two out of the three lights on this light bar have gone out. I'm pretty disappointed in the fact I replaced my whole trailer with submersible LED lights so this would not keep happening and here we are again. 495124


This was a great product to replace the old light that usually had at least one of the 3 bulbs not working because of a bad connection in the socket due to corrosion. The mounting holes even lined up so I did not have to drill new holes and the pig tale wire was plenty long enough to make installation a snap. 547692


Repeated dunkings in salt water haven't had any effect on this light. It works as well now as it did the day I installed it. I did have to drill a couple of new holes to align with the fastener pattern which stretched the installation time to 20 minutes, but otherwise it was very easy to install. 394586


Fit perfectly on my boat trailer in place of the original incadecent lights. They are nice and bright.only difference is this light grounds through the frame instead of a separate wire. Best part-time more bulb issues! 367763

They are great! No problems, Id buy them again. Thanks for the follow up!
Ryan S - 04/17/2018



The 9 Led light Bar work perfect under my rear center cross under my boat 16 ft boat trailer. It’s nice and bright and submergible. 727516


Great product, still going after one year of service. 725204


Thanks for this 1 year review opportunity. My purchased was changing all my boat trailer lights to LED. They are working excellently with no problems. I think they are better than what I see on newer boat trailers. Thanks for your excellence advice, service and prompt shipping. 703574


The LED lights for my boat trailer worked perfectly. The installation was easy. Everything fit without having to make any changes. Cailee was very helpful in the ordering process. Well done etrailer! 681409


Well made will fit perfectly 669279


Great product excellent price 667225


I received my LED lights for my trailer today from etrailer .com. Shipping was very fast. They bolted right up to the old holed that are on the trailer. Installation was very easy. I like the features of LED lighting. They take less electricity and are much brighter than conventional lighting. I know they will be much safer and look better than the old lights I had on it. 661154


Easy to install. Same exact part as the incandescent version I replaced. 659176


Great Lights with no maintenance 657178


Survived a whole year of boating season. Nice and bright. 654704


Exactly what I wanted 647547


Great price on a high visibility upper trailer light. 644244


Great selection and great pricing! Our shop uses etrailer for an assortment of boat trailer parts and have no been disappointed and fast free shipping 619827


The product is excellent, the delivery was a little slow 608447


Exactly what I ordered. 607661


I've been using these for a year and they haven't burned out. Work great, very bright. 602184


Great Customer Service 592452


As advertised. Perfect replacements. Quick delivery. 582893


Great prices, awesome pictures of the product and fast shipping. 576058

Show More Reviews

Ask the Experts about this Optronics Trailer Lights

  • Difference Between the MCL97RB and MCL97RPG Optronics Identification Light Bars
    Yes, the only difference between these light bars is that the # MCL97RPG has the 0.180 male bullet at the end of the wire and the # MCL97RB just has a regular wire you'd use a butt connector like part # DW05744-5 for the installation. Other than that everything else is the same. I have attached review videos and photos for you to reference the differences as well.
    view full answer...
  • How To Hook Up the Identification Light Bar MCL97RB To a Two Wire Plug
    I am not familiar with the two wire plug set on your ShoreLand'r Boat Trailer but the Identification Light Bar part # MCL97RB only has one wire which will need to be connected to the running light circuit (usually brown wire) on your trailer with a quick splice connector part # SWC501746-1. The ground for the light is integrated into the base which is why there is not a separate wire for this. If the two wire plug you are referencing has a wire for the running light circuit and one for...
    view full answer...
  • How Does the Sealed, 3-Light Truck, Trailer Identification LED Light Bar MCL97RB Ground
    The lightbar part # MCL97RB that you referenced does ground through the mounting hardware. If one of the wires on your trailer's currently lighting is for the ground you could run it to the mounting hardware of the light or you could not use it. If you check out the review video I attached you can see our demo guy run the white ground pin straight to the metal frame of the light to ground it. If where you want to install this light bar is a metal surface that touches the frame of the...
    view full answer...
  • Information About Optronics Sealed 3-Light Identification LED Light Bar
    The Sealed, 3-Light Identification LED Light Bar, part # MCL97RB is a single wire light. The item is grounded through the mounting hardware and the base. You have one wire that is attached to your power source. The mounting holes are spaced 8-1/2 inches on center. I have attached a product review video you can check out that explains this in the demonstration.
    view full answer...
  • Can Sealed, 3-Light Truck Trailer Identification LED Light Bar # MCL97RB be Mounted Horizontally
    I spoke with my contact at Optronics and yes, the Sealed, 3-Light Truck, Trailer Identification LED Light Bar, # MCL97RB, can be mounted on the roof of your horse trailer. When mounted horizontally, the light will be visible from the rear of the trailer but won't be at the same intensity as if it was mounted on the rear of the trailer facing back. Please keep in mind that since the intensity of the light will be decreased when mounted on the roof, it will not meet DOT regulations.
    view full answer...
  • Single Wire ID Light Bar for a Boat Trailer Over 80 Inches Wide
    Your old ID bar must have grounded through its mounting hardware since it only had the one wire. ID bar # MCL97RB also has just one wire and grounds through the mounting hardware. This is an LED light so it will draw much less power than incandescent lights. If your boat trailer is aluminum though a jumper ground wire should be attached between the frame and mounting hardware and attached to a steel surface or the main trailer connector ground. A ground issue is why the other light was...
    view full answer...
  • Converting Trailer Light Bar from Incandescent to LED Lights
    The code SAE P2 91 DOT on the light lens is the lens rating, not a part number, so it is difficult to go by that number. Often the actual part number for a light will be on the back of the light base or housing. If not, it is usually easiest to go by the dimensions of the light when choosing a replacement like the LED-type # AL191RB. We do offer complete 3-light LED light bars, such as parts # MCL93RB and # MCL97RB, which appear on the linked page with other trailer clearance lights. You...
    view full answer...

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Info for this part was:

Expert Research:
Jameson C
Updated by:
Laura H
Updated by:
Amy B
Updated by:
Sarah W
Updated by:
Brian T
Installed by:
Cole B

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