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Thinline LED Clearance and Side Marker Light - Submersible - 3 Diodes - Rectangle - Red

Thinline LED Clearance and Side Marker Light - Submersible - 3 Diodes - Rectangle - Red

Item # AL91RB
Retail:$11.03
Our Price: $9.23
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Trailer Lights
Shipping Weight: 0.04 lbs
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2-1/2" x 1-3/16" Rectangle. Waterproof trailer light functions as both a clearance light and a side marker light when properly mounted. Requires mounting bracket and plug (both sold separately) for installation. Red lens. PC rated. Great Prices for the best trailer lights from Optronics. Thinline LED Clearance and Side Marker Light - Submersible - 3 Diodes - Rectangle - Red part number AL91RB can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (1688)
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Optronics Trailer Lights - AL91RB

  • Clearance Lights
  • Rectangle
  • LED Light
  • Red
  • 2-1/2L x 1-3/16W Inch
  • Surface Mount
  • Rear Clearance
  • Side Marker
  • Submersible Lights
  • Optronics

2-1/2" x 1-3/16" Rectangle. Waterproof trailer light functions as both a clearance light and a side marker light when properly mounted. Requires mounting bracket and plug (both sold separately) for installation. Red lens. PC rated.


Features:

  • Small, rectangular trailer light functions as both a clearance light and a side marker light when properly mounted
  • Sonically sealed, waterproof housing and lens unit is 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
  • Polycarbonate lens and housing
  • Red lens
  • Multiple mounting options
    • Surface mount with open-back or self-grounding bracket (sold separately)
    • Recessed mount with grommet (sold separately)
  • Accepts industry-standard 2-prong plug (sold separately)
    • Requires single-prong plug (sold separately) for installation with self-grounding bracket
  • DOT compliant
  • PC rated


Specs:

  • Dimensions: 2-1/2" long x 1-3/16" wide x 7/8" deep
  • Diodes: 3
  • Power draw at 12.8 volts: 0.051 amps
  • Lifetime warranty on LEDs


Optronics light dimensions

Trailer light is a direct replacement for:

  • Uni Bond LED1225-3R
  • Truck Lite 15250R
  • Grote 47082
  • Peterson M153R
  • Maxxima M20320R
  • Wesbar/Bargman 40-37-002

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 damage the diodes or circuit board.


PC-Rated Lights

Diagram of light spread for PC rated light

A PC-rated light produces a 90-degree angle of light to either side of its centerline for a total of 180 degrees of coverage. This beam pattern can be clearly seen when you are standing directly in front of the light, as well as when you are standing on either side of the light. When properly installed, this type of light can function as both a front clearance light and a side marker light or as a rear clearance light and a side marker light.



AL91RB Optronics Thin Line Mini LED Side Marker/Clearance Trailer Taillight - PC Rated - Red

Alternate part number: AL-91RB




California residents: click here


Customer Satisfaction Score:


Customer Reviews

Thinline LED Clearance and Side Marker Light - Submersible - 3 Diodes - Rectangle - Red - AL91RB

Average Customer Rating:  4.8 out of 5 stars   (1688 Customer Reviews)

2-1/2" x 1-3/16" Rectangle. Waterproof trailer light functions as both a clearance light and a side marker light when properly mounted. Requires mounting bracket and plug (both sold separately) for installation. Red lens. PC rated.

by:

The initial shipment had the wrong light fixture but etrailer was very quick and helpful in getting the problem rectified, and expeditiously sent the correct light fixture to me. Thanks etrailer staff!

Diego S.

8/13/2023

Good. No complaints.



by:

Perfect fit for my trailer. Easy insta ll.



by:

The amber light is what I needed. The red light is useless to me no back, mounting stud, or wire connection. Discriptions of both are almost exactly the same. Very disappointed



by:

Perfect replacement running light for my lawn trailer.



by:

Exactly what I needed. Etrailer is very helpful and super fast shipping. Highly recommended



by:

Worked perfect, never an issue with this company, A+

Dan S.

3/10/2024

The lights work great and still look new after a year of use, etrailers customer service and quality products puts them a step ahead of the others, especially the customer service , highly recommended by me!!



by:

Another great experience with etrailer.



by:

Fit great with the gasket that goes with it. Great company to work with. Thanks Etrailer.



by:

These Thinline led lights replaced my incandescent ones perfectly as id lights for my boat trailerl. etrailer has great pricing and the item was in stock. These are brighter than oem and should outlive the original lights. This decision was made easily to upgrade to these. Friends of mine as well as myself have made purchases from etrailer before and have been very satisfied with our purchase. Customer service is good. No reason to look anywhere else.



by:

Thanhs Dave for taking prompt care of my order.



by:

I have been more than pleased with the Optronics brand lights! These are no exception!

I, like others, am amazed at the brightness of the lights. They are a huge upgrade over my existing incandescent lamps!

I really like the way them mate with the mounting brackets and wire connectors. They snap into the brackets securely and can be removed. I also like the matching connectors as they also snap into place securely.

I would buy again and I would recommend to others as well!



by:

Works as advertised.



by:

Timely delivery. Plug and play fitment like original. Just what I needed. Working great after one year of use.



by:

Products were as described and prompt shipping too.



by:

Illuminating experience!



by:

Just what I needed. Good value and we received it in a timely manner.



by:

Perfect match to original incandescent and mates with existing wiring.



by:

The LED lights are so much brighter and reliable. I highly recommend.



by:

I have ordered products from these guys on various occasions
And havenā€™t been disappointed ever!! Great company and things come when promised. I know where to go when I need my trailer supplies!



by:

Installed these lights on my extend a truck, they work perfect, small and bright and you can see them from the side as well.



by:

It has been on the trailer x1 year. Still working.



by:

I'm very pleased with these LED replacement lights for the fenders on my cargo trailer.
Before these I had the regular light bulb which I had to replace from time to time. So the last time I needed to replace a bulb about a year ago I decided to go with these LEDs.
Wow what a difference in their brightness.
Before changing to LEDs my lights on the fenders were somewhat dim. Now with the LEDs these lights are bright enough for other divers to see them in the daylight giving me some peace of mind that they see me coming.
There is however one con to them being so bright.
When I have to back my trailer into the driveway at night their brightness blinds me from seeing my wife in back of the trailer guiding me in when using my review mirrors.
But it's OK because now I will just get some LED backup lights for the trailer.
I plan on changing the entire trailer over to LED lights, someday. lol
PS. I love etrailer.com

Scott F.

2/26/2021

Still loving them



by:

Install them on my trailer they were replacements for the old ones that did not work ,nice and bright three diodeā€˜s

Ron

11/9/2022

Very good on my boat trailer, salt water is so crossive but so far so good.



by:

Ordered these for my boat trailer



by:

Installed already perfect replacement!


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See what our Experts say about this Optronics Trailer Lights

  • LED Trailer Lights for a Lark Trailer
    Sounds like you have a T17 Torx bit that you are in need of. Your local hardware store will have this size. Try a Lowe's or a Home Depot. It is possible that you could replace your trailer light bulbs with LED bulbs, but most likely you don't have the correct housings that allow for that as most do not. I attached a page that has all of the LED trailer taillights we offer.
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  • Should LED Trailer Lights be Mixed with Incandescent Trailer Lights
    One main difference between LED lights and incandescents is the amount of power each one draws. I did a little research and found that if you were to have LEDs and incandescents on the same circuit, it would be too much power draw for the LEDs without using the proper resistors to compensate for the differences. It would be best to replace all the lights to one type or the other. However, if one of your stop/turn lights was LED and the other was not, that should be fine (provided both...
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  • Looking for Replacement Side Marker on 2010 Jayco Jay Flight Travel Trailer
    I wasn't able to track down a specific model number for the factory side marker your 2010 Jayco Jay Flight came equipped with (the Command number you found only relates to testing certifications), but looking at pictures of the trailer it seems like it's something similar to the Optronics # AL91RB. This particular assembly measures 2-1/2" long and 1-3/16" wide. I realize you really only need the lens itself, but it's important to keep in mind that unless you're able to find an exact replacement,...
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  • Troubleshooting Trailer Taillight Setup Where LED and Incandescent Bulbs are Both Installed
    The adapter shouldn't limit current and should only add resistance to the connection so that it senses more of a load on it. I'd check to see how your lights are all wired. If they are all wired in series where the ground is connecting to the power of the next light then that is your issue as you can't mix LED and incandescent bulbs with this style of wiring. You need the lights all wired to the same power feed wire and grounding independently.
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  • Can LED and Incandescent Lights be Mixed, Used at the Same Time on a Trailer
    The lights don't have voltage or amperage regulators so it could potentially be an issue. However, I am in the minority around here about whether or not it would be a problem. Most others are certain that it would not be a problem so majority rules. I still believe that the potential for a problem is there if you mix LED and incandescent lights but it seems to work out for most people. But I would be remiss in my duties if I didn't at least mention the potential for a problem.
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  • Replacement for Truck-Lite Signal-Stat 1500 Clearance Light
    The Thinline LED Clearance and Side Marker Light part # AL91AB for amber or part # AL91RB for red will be direct replacement options for a Truck-Lite Signal-Stat 1500. It should allow you to use the existing bezel.
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  • Replacement Rear Clearance Lights For a Sure-Trac Utility Trailer ST7211HST-B-030
    Based on images I could find for your Sure-Trac utility trailer model ST7211HST-B-030 it appears is uses either the Incandescent # A91RB or LED # AL91RB lights. These are held in place with the Grommet # A91GB which is 3-5/16" long x 1-15/16" wide. If you have a different style or size light please send me some images with measurements and I can verify what we have for a replacement.
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  • Red Optronics Clearance Light Needed and Matching Chrome Mounting Bracket
    The Red version of the Sealed, Mini Rectangular LED Trailer Clearance, Side Marker Light # AL91CAB from Optronics is found as part # AL91RB on our site. The Chrome mounting bracket for both lights is part # A91CB and works with 90 Series or 91 Series Optronics lights.
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  • Availability Of Marker Light With Rounded Base For A 2006 EZ Loader Boat Trailer
    While we do carry a ton of red marker lights, we do not carry anything with a rounded base like you described. It may be something specific for EZ loader trailers made around that year. We do have some similar flat base lights like the Optronics # AL91RB and # A91GB for a grommet. If you are looking for a direct replacement, it might be worthwhile contacting an EZ loader dealership with your VIN. I do not have access to their database here so I am not able to reference a VIN.
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  • Boat Trailer Market Light Replacement Recommendation for Chaparral Boat Trailer
    Thanks for the picture of the light you are looking to replace. It looks like our closest replacement is the part # MCL-91RK which has the chrome base like what yours has.
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  • Grommet To Use with Trailer Clearance Light # AL91RB
    For the clearance light part # AL91RB we have the grommet part # A91GB which is basically a hard rubber.
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  • Will Optronics Side Marker Light # AL91RB Mount in Existing Rubber Grommets on Trailrite Trailer
    The Optronics Clearance/Side Marker Light, part # AL91RB, will mount in the rubber grommets that your Grote 4641 lights are installed in. I looked it up in the industry cross reference for lighting and it listed the # AL91RB light as fitting in your grommets. The rubber grommet we offer for the # AL91RB light is the Optronics Flush Mount Grommet, part # A91GB. This is a rubber grommet that is used when mounting the light flush to the trailer. It measures 3-5/16 inches long x 1-15/16 inches...
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  • Replacement Trailer Clearance Light that Fits in Wedge Mount
    Thanks for the picture of your trailer clearance light. It's one of two options depending on how long it is. It's the part # MCL75RB if the light is 3-15/16 inches long or # AL91RB if it's 2-1/2 inches long.
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    Image 1 for
  • How to Mounting the Mounting Bracket for A91 and AL91 Series Trailer Lights
    I would recommend using stainless steel sheet metal screws for mounting the Mounting Bracket for A91 and AL91 Series Trailer Clearance, Side Marker Lights, since the connection to the trailer needs to make a good ground connection.
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  • Replacement 2-1/2 Inch Long Optronics Marker Lights for Cargo Trailer
    The closest Optronics trailer light assembly we have available to your existing unit is the Optronics Thinline LED # AL91RB. This LED light measures 2-1/2 inches long and 1-3/16 inches wide. The mounting bracket # A91BOB it is used with (not included with the light) features bolt holes that measure 2 inches apart on center. Unfortunately the SAE P2 P3 number you found on the lens of your existing light doesn't indicate the actual light model but has to do with DOT regulations. If the...
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  • Replacement Tail and Marker Lights for 1996 Ranger Trail Boat Trailer
    Excellent idea, switching to LED. They use less power, last much longer and are brighter than incandescent lamps of the same size. Win, win, win. The grommet mount lamps you reference should fit in a 6-3/4 by 2-1/2 inch rough opening, which is the typical size. I'd recommend measuring the rough opening to confirm. If that dimension checks out, the # TLL12RK LED taillight kit would work well for you. For the marker lights, if the interior of their mounting brackets measure 2-1/2 by 1-3/16...
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  • Troubleshooting Trailer Wiring Blowing Fuses
    While we have no specifics on wiring for any make or model of trailer and can only generalize it does sound like something very simple - you have overloaded your running light circuits which is causing the fuse to blow, and the reason for that is almost always because you are using incandescent lights as opposed to LED lights. If this is the case, which I'm guessing it is because it is the most common, you will need to switch out at least your running lights to LEDs, and can do so cost-effectively...
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  • Recommended Replacement Clearance Lights for Red Peterson 152 Assemblies on Trailer
    Based on my research, the Wesbar LED Waterproof Grommet Mount Clearance Side Marker Light # 47-203668 referenced in your question should provide a nice replacement for your existing Peterson 152 unit. This red clearance light measures 2-5/8 inches long, 1-1/4 inches wide and 3/4 inches in height. Another option is the Optronics Thinline LED Clearance and Side Marker Light # AL91RB. This light has very similar measurements of 2-1/2 inches long, 1-3/16 wide and 7/8 inches in height. I...
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  • Turn Signals Not Working on an Accessory Connected to a 1998 Dodge Ram Pickup
    There is a possibility that this problem is due to mixing incandescent lights with LEDs, but this is unlikely. More likely is this being a grounding issue with the wiring. Usually, when one function is not working while others are, this points to a problem with how the ground is connected. Check the connection point of your accessory's ground wire to ensure that it is free of corrosion or rust. If you find any, clean the area or move the connection to a cleaner spot. Check your vehicle's...
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  • How to Wire up the Thinline LED Clearance and Side Marker Light to Single Wire Trailer
    To use the # AL91RB on a trailer that has one wire for the power wire and then grounds through the mounting bracket would only require the bracket part # A91BB for the bracket and then part # A91LW for a single wire connector.
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  • Size of Mounting Hole Required for Installing Optronics Grommet # A91GB
    The Optronics Grommet # A91GB that you referenced, which is designed to work with the Thinline LED # AL91RB that you were looking at, will install into a mounting hole on the trailer that is 2-7/8 inches across and 1-1/2 inches tall. If you do not have this type of mounting hole on your trailer, you can use the Mounting Bracket # A91BOB instead, which will allow for a surface mount installation. I have attached a couple short video demonstrations on these products that you can also check out.
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  • Are Mounting Brackets Needed To Install Optronics LED Trailer Clearance Lights # AL91RB
    For installation of the Optronics LED Trailer Clearance Lights, part # AL91RB, you will need to use an Optronics Mounting Bracket. You can use either the Optronics Black Mounting Bracket, part # A91BB, or the Chrome Mounting Bracket, part # A91CB. The brackets are sold individually, so you will just need to order the same quantity as the number of lights you have. I have linked a video that show the installation of the Optronics AL91 Series Lights.
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  • Mounting Bracket Recommendations For Optronics Thinline LED Clearance and Side Marker Light
    For the # AL91RB trailer lights we have a couple options for mounting brackets. For a self-grounding bracket where the light is grounded through the mounting hardware I recommend part # A91BB. The gasket is included. For a mounting bracket that has an open back you need part # A91BOB.
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  • Optronics Trailer Clearance Light Similar to AL 91RB that Installs With Smaller Hole Drilled
    The Optronics clearance light part # AL91RB in all of it's configurations would require a hole to be drilled for a harness like the part # A46PB to install with a grommet like the part # A91BOB. There isn't a way to mount it flush without drilling. If you used the part # AL82RB instead though it would require a much smaller hole be drilled since the entire harness of the other setup gets ran through the hole.
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Info for this part was:

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