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Mounting Bracket for Optronics A91, AL82, AL90, AL91, or AL191 Series Lights - Open Back - Black

Mounting Bracket for Optronics A91, AL82, AL90, AL91, or AL191 Series Lights - Open Back - Black

Item # A91BOB
Our Price: $8.31
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Shipping Weight: 0.02 lbs
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Black plastic bracket lets you install an Optronics A91 Series, AL82 Series, AL90 Series, AL91 Series, or AL191 Series trailer light. Surface mount on 2" centers - hardware sold separately. Open back allows room for wiring. 1-800-940-8924 to order Optronics accessories and parts part number A91BOB or order online at etrailer.com. Free expert support on all Optronics products. Great prices and Fastest Shipping for Mounting Bracket for Optronics A91, AL82, AL90, AL91, or AL191 Series Lights - Open Back - Black. Accessories and Parts reviews from real customers.
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  • Reviews (110)
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  • Videos (2)
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Optronics Accessories and Parts - A91BOB

  • Trailer Lights
  • Mounting Hardware
  • Brackets
  • Optronics
  • Black

Black plastic bracket lets you install an Optronics A91 Series, AL82 Series, AL90 Series, AL91 Series, or AL191 Series trailer light. Surface mount on 2" centers - hardware sold separately. Open back allows room for wiring.


Features:

  • Mounting bracket for Optronics A91 Series, AL82 Series, AL90 Series, AL91 Series, or AL191 Series trailer clearance/side marker lights
  • Gasket creates a weathertight seal
  • Surface-mount design - hardware sold separately
  • Open back allows room for wiring
  • Two-wire harness for light sold separately
  • Black molded plastic construction


Specs:

  • Dimensions: 2-7/8" long x 1-1/2" wide x 1/2" deep
  • Mounting hole dimensions (center to center): 2"
  • 3-Year warranty


dimensions of open back base


A91BOB Optronics Black Plastic Base for A91, AL82, AL90, AL91, or AL191 Series Trailer Clearance/Side Marker Light

Alternate part number: A-91BOB




California residents: click here


Video of Mounting Bracket for Optronics A91, AL82, AL90, AL91, or AL191 Series Lights - Open Back - Black

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




Video Transcript for Optronics Lights Mounting Bracket Installation

Shane: Hey. Hi, Shane here with etrailer.com. Today we're going to be taking a look at Optronics mounting bracket for Optronics A Series lights. This is what our bracket's going to look like when it's installed. It's going to be a very durable plastic construction. It's going to be a surface mount.

It's going to have a foam backing to help seal the backside of the light. It's going to have an open back. Allow you to run your lights or run your wires from your lights much easier. It's going to allow you to snap your light into place. These are also going to be available in chrome.

These are designed to work with A91, AL82, AL90, AL91 or AL191 Series lights. You can find each one of those lights here at etrailer.com. Keep in mind mounting hardware is not included with this light. Again, with this bracket, the light is just going to snap into place. Makes it very easy to attach and detach the light.That's going to do it for our look at Optronics mounting bracket for A Series lights..

Customer Satisfaction Score:


Customer Reviews

Mounting Bracket for Optronics A91, AL82, AL90, AL91, or AL191 Series Lights - Open Back - Black - A91BOB

Average Customer Rating:  4.7 out of 5 stars   (110 Customer Reviews)

Black plastic bracket lets you install an Optronics A91 Series, AL82 Series, AL90 Series, AL91 Series, or AL191 Series trailer light. Surface mount on 2" centers - hardware sold separately. Open back allows room for wiring.

by:

Wish I had read more, it doesn’t come with any of the plastic thumb darts to mount it to the fender.



by:

The mounting brackets are well made and very durable. I like the Open Back design as it allows clearance for the electrical connector. I also liked the foam backing as it made a good, clean seal/finish on the final project.

I mounted them on my boat trailer using #8 stainless hardware without issue. I have a black trailer and these matched nicely!

I would buy again!



by:

Worked great with the Amber LED side marker lights.



by:

The materials order were great! My order Was processed quickly and arrived promtly. Will Continue to go Etrailer for my Material needs.



by:

Great replacement for my boat trailer.



by:

Absolutely excellent service. Kate was very knowledgeable, friendly and willing to help me. I received the correct product in record time! Thank you Kate!



by:

Blaa Blaa Blaa. Yada Yada Yada. Cheap overpriced plastic. Hope they work!

Mitchell

3/25/2023

Still cheaply made overpriced plastic!



by:

You wouldn't think something like getting replacement running lights would be that complex but frankly it is. With the various options and manufacturers its a nightmare. After searching the desert of the internet for correct information I stumbled upon this oasis of information from etrailer to get the right lights and mounting brackets. I now understand what the "e" stands for in their name, they make trailer stuff "easy".



by:

I've always had good luck when I buy from etrailer. I've been working on my boat trailer and small utility trailer and purchased items for both. I'm very happy with the products so far. I've installed everything that I bought, but it's impossible to send any pictures because both trailers are covered and put away for the winter. Keep up the great work.



by:

I purchased these as more of an insurance policy when I changed out the lights on my Shoreland'r trailer. I wasn't sure if the new lights would fit into the existing housings. They fit perfectly!. These brackets have the same mounting hole pattern and dimensions as the stock trailer housings, so when I decide to change them out, it will be a breeze!!



by:

Purchased fenders from etrailer. Selection was great, priced competitively and shipping quicker than expected. Also purchased marker lights, which were easily installed in fenders.



by:

seems like just last week I was saying how much i liked the led lights and where would they be without the mounting brackets? its all good and thats the truth!
me so happy ;-)



by:

The light I ordered are excellent. I replaced all the lights on my boat trailer to LED. The first trip to lake with the boat, got many comments from other boat owners at the lake. I told them about etrailer. I know they will be as satisfied as I am. Thanks etrailer.

From now on I will buy all my stuff from etrailer!!!




by:

mounted to hold Optronics Mini Thinline LED clearance lights



by:

bought as part of a larger order to replace the incandescent marker lights on my boat trailer. All components fit together well - resulting in a professional, neat installation.



by:

Good look and great fit around the light fixture.



by:

Disappointed that the mounting bracket and pigtail were sold separately. Also the pigtail protrudes beyond the surface of the mounting bracket,creating additional work in mounting.



by:

I friend told me about etrailer.com a couple of years ago and for that I'm grateful. I can locate any obscure light for my trailer and have it shipped to my door! This saves a lot of time from shopping local stores when I'm trying to locate a part. The prices are less than my local stores too!



by:

I ordered these plastic mounts to replace the factory marker light mounts on my SnoLandr snowmobile trailer. I found these on the etrailer site and they were very similar. Thank you guys



by:

Everything was received exactly as described, and on-time. I had a few questions since we were in the middle of a hurricane, and Angie responded quickly and thoroughly. Etrailer is definitely my go-to for trailer-related products from now on!



by:

I have to say it's an absolute pleasure dealing with etrailer. Not only did my package arrive on time as promised but the experience of dealing with the people at etrailer such as Tommy and Dani made it that much more of fun experience. There was not a problem with answering my questions if they did not know the answer they found out the answer and got back in touch with me. Their prices are great their products are good quality and there's so many good things to say about the company that I could go on and on. Keep up the good work and I will be doing all my trailer business with etrailer. Just check out their website and see how much more they have to offer.



by:

God I love these replacement lights ! they fit my Trailstar trailer perfect . Do you have the little ones for corner by the tires ? If so I will take them too.



by:

These marker lights are great and easily mounted and wired into my Shorelander trailer.



by:

Received my new lights and harness on time and nicely packaged. There was a mix-up with the harness and Stacey took care of it immediately. Thanks for great customer service!



by:

I actually ordered these by mistake, I wanted the rubber grommet mount but these fit the lights perfectly just not what I needed.


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See what our Experts say about this Optronics Accessories and Parts

  • Replacement Optronics Clearance/Marker Lamps to Replace Peterson PM152
    The Optronics # AL82RB would work as a replacement for the Peterson PM152 lamp, but from what I found on Peterson's website, the PM152 features two prongs on the back which is more like the # AL91RB from Optronics. Either would work for you, but I'd use the # AL91RB, assuming you have the 2-wire pigtail like # A46PB already wired up on your trailer.
    view full answer...
  • Will LED Clearance Light Work With One Wire
    Yes, the Thinline LED Clearance and Side Marker Light - Submersible # AL91AB will work with your single power wire, as it uses a 2-wire (one for power, one for ground) pigtail or 1-wire pigtail with a self-grounding bracket. To mount this light you have a couple options. The first is the Mounting Bracket # A91BOB with Right Angle 2-Wire Pigtail # A46PB; you'd also want to use the Self-Tapping Screw # 1131832. Your other option to mount this light is to use Self-Grounding Mounting Bracket...
    view full answer...
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  • How Does Part A91BOB Mount To The Trailer and Are The Lights It Holds Submersible
    I have a solution for you, but we don't have any clearance lights that would mount with the white bushing you're referring to. If you went with the # AL191AB and # AL191RB like you mentioned you would need the # A91BOB mounting plates to mount them onto your trailer. These can be secure with a nut/bolt or with a self tapping screw into the trailer frame and you can use the same size screw/bolt as the bushings to make sure it's a secure connection. You will also need the 2 Wire Pigtail #...
    view full answer...
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  • Can the Optronics AL91AB Light Be Mounted Vertically
    Yes, you can mount this Optronics Trailer Light # AL91AB basically in any way you like as long as it visible. You will need to consult your local laws and regulations to determine which mounting positions are legal. I attached a review video for this product for you to check out also. You might also be interested in purchasing a Black Mounting Bracket # A91BOB to help you install the # AL91AB. I attached a review video for this product for you to check out also.
    view full answer...
  • Installing Optronics Sealed LED Trailer Marker # AL191RB to Trailer
    The Optronics Sealed Micro-Flex Mini Thin Line LED Trailer Marker # AL191RB referenced in your question can be installed with a mounting bracket like # A91BOB and the 2-Wire Pigtail # A46PB. The white wire is for ground and the black wire is for power. Most likely the brown wire you mentioned on your trailer is for the tail/marker lights, which is where the black wire will be connected. I do recommend testing the wires on your trailer just to verify this, as trailer manufacturers or previous...
    view full answer...
  • Incandescent Trailer Clearance Light that Uses 2 Wires
    In red you'd want the part # AL91RB or in amber you'd want # AL91AB for the submersible incandescent lights. For a two wire harness like you need you'd want the part # A46PB with grommet part # A91GB or bracket # A91BOB.
    view full answer...
  • Availability of Red Miro-Flex LED Clearance Lights
    Although they aren't an exact match on size and design compared to the # OPT78FR, we do have a couple options for red Miro-Flex side marker lights. You can choose from one of the following: -Miro-Flex Mini LED Clearance or Side Marker Light - Submersible - 3 Diodes - Rectangle - Red Lens # AL191RB -Miro-Flex Thinline LED Trailer Clearance or Side Marker Light - Sumbersible - 4 Diodes - Red Lens # MCL63RB The # AL191RB measures 2-1/2" long x 1-3/16" tall x 1" thick and can have a recessed...
    view full answer...
  • Replacement Trailer Clearance Light for PM150
    The most similar trailer clearance lights we offer to replace the PM150 lights you have now would be the Thinline LED light part # AL91RB. For a replacement harness that would plug into this you'd need the part # A46PB and then for a grmmet part # A91GB for a flush mount or part # A91BOB for a bracket for surface mount.
    view full answer...
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  • Are Optronics LED Lights Quality Lights
    Lights like the # MCL31AB and # MCL31RB are cheap but that is the nature of a small clearance light in this style. I wouldn't really expect better performance from any other brand. I know it happens, but we don't really see complaints about the lights burning out. Optronics lights are backed by a lifetime warranty on the LEDs so a light like your # BUL52CB is covered under and can be replaced. For the clearance lights I would try switching to the Thinline LED Clearance and Side Marker...
    view full answer...
  • Why Don't Trailer Clearance Lights Attach to Trailer Using Adhesive
    Over time a light held on with an adhesive would run a much higher risk of coming unattached than one with solid install hardware which is why the trailer lights we offer either install using nuts/bolts or by fitting into a hole in the trailer and using a correct sized grommet. I attached a link to a page that has all of the LED trailer clearance lights we offer. If you wanted to send me a picture of your trailer where you want to install the lights I can help pick out what you might need.
    view full answer...
  • Recommended Side Marker Lights for EZLoader Trailer
    I can help you find the correct parts for your EZ Loader trailer. Based on the photos you submitted, the # AL91RB will fit your style connector on your trailer. The amber light is # AL82AB, and the grommet you will need is # A91BOB. All these items come in quantity of 1 so you will want to adjust the quantity on the grommets page to 2. I have linked all the above products to this page for your convenience.
    view full answer...
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  • Mounting Options for LED Clearance and Side Marker Lamp Part # AL82AB
    The clearance and side marker light you referenced, part # AL82AB, uses a plastic mounting base that is sold separately. The base is available in a black (part # A91BOB) or chrome (part # A91OB) finish. If the appropriate sized hole is available, the lamp can be flush mounted using a grommet mount, part # A91GB.
    view full answer...
  • Red Side Marker and Clearance Lights for a Trailer or Coach
    Yes, you would need Thinline LED Clearance and Side Marker Light - Submersible # AL91AB. For installation, you will also need a bracket. For black use part # A91BOB. For chrome use # A91OB.
    view full answer...
  • Parts Needed to Install Optronics Submersible Red LED Clearance and Side Marker Light AL91RB
    The Optronics Thinline Submersible Red LED Clearance and Side Marker Light # AL91RB installs using a base, part # A91BOB in black or part # A91OB in chrome finish. A 2-wire pigtail # A46PB will allow for electrical installation. The white wire on the pigtail is ground. If your original light used only 1 wire then its base provided the ground connection. In this case you can use the self-grounding base # A91BB in black or # A91CB in chrome finish. In this case you will use Single Wire #...
    view full answer...
  • Recommendation For Replacing A Grote 45253 Light With An LED Light On A Pleasure-Way Excel Motorhome
    Though we do have direct replacements for the Grote 45253 light you have, they will be incandescent as well so won't be what you are looking for. With that said, as the spot where a light can mount will limit the size you can go with, I think the Optronics Mini Thinline LED Clearance and Side Marker Light # AL82AB with the # A91BOB mounting bracket will be your best option. This will be a little smaller and you will need to drill new mounting holes as they will be 2" apart, but the overall...
    view full answer...
    Image 1 for Image 2 for
  • Difference Between Optronics Lights AL90RB and AL91RB
    The Optronics FLEET Count Mini Thinline Sealed LED Marker/Clearance Light # AL90RB has a single LED element while the similar Thinline LED Clearance and Side Marker Light # AL91RB has three LEDs for brighter output and it is submersible. Both can mount using either grommet # A91GB or bracket # A91BOB.
    view full answer...
  • Availability of Truck Lite Model 15 Light Base Replacement
    I looked up the Truck-Lite 15 light and found that it's basically the same as the Optronics Mini Thin Line clearance lights like the part # AL91AB. Which we have a black base part # A91BOB and a chrome base part # A91OB for but we do not have a white one.
    view full answer...
  • 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.
    view full answer...
  • Does Optronics Mini Thin Line Sealed LED Marker/Clearance Light # AL82AB Have Power and Ground Wire
    The Optronics Mini Thin Line Sealed LED Marker/Clearance Light # AL82AB that you referenced have a power and ground wire that comes out of the back of the light. The recommended base with this light is part # A91BOB. But if you are asking about wiring you can easily wire these lights to your existing trailer wiring. White is ground black is power.
    view full answer...
  • 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...
    view full answer...
  • What Are the Dimensions of Optronics Mini Thin Line Sealed LED Marker/Clearance Light # AL82RB
    The Optronics Mini Thin Line Sealed LED Marker/Clearance Light # AL82RB measures 2-1/2 x 1-3/16 x 7/8 inches. This sealed waterproof light features 2-wire design. The mounting bracket is not included but is available as part # A91BOB in black or part # A91OB in chrome. Please refer to the photo provided which shows this light fixture. This same light is also available in an amber lens, part # AL82AB.
    view full answer...
    Image 1 for
  • Replacement Fender for Single Axle Escort Boat Trailer
    The only white fenders we have that will fit your 15" wheels are the # PF11X35W-2. We also have reports that this was a match for a 2000 Escort boat trailer, so it is likely this is the same part. If you decide you only want to place the one fender we do have a single fender available as well # PF11X35W. We don't have the same mounting bracket style so you would need the # PF1135-BKT-2. The mounting holes on the brackets are 3-5/8" apart so you would need to acquire U-bolts from your local...
    view full answer...
  • Wiring Pigtail and Mounting Bracket Options For Installing Thinline LED Clearance And Marker Lights
    The Thinline LED Clearance and Side Marker Light # AL91AB require certain mounting brackets and plugs that are either already installed on the trailer or are available separately. A Right Angle 2-Wire Pigtail # A46PB will work with the Grommet # A91GB if you are looking to recess the light. Or Mount Brackets # A91OB and # A91BOB if you want to mount them on a surface with the wiring running behind the bracket. The Plug - Single Wire # A91LW is used for Mounting Brackets # A91BB and...
    view full answer...
  • 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.
    view full answer...


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Info for this part was:

Employee Patrick B
Expert Research:
Patrick B
Employee Jameson C
Expert Research:
Jameson C
Employee Adele M
Updated by:
Adele M
Employee Laura H
Updated by:
Laura H
Employee Amy B
Updated by:
Amy B
Employee Brian T
Updated by:
Brian T
Employee Noah M
Updated by:
Noah M
Employee Cole B
Installed by:
Cole B
Employee Chris R
Video Edited:
Chris R
Employee Shane H
Test Fit:
Shane H
Employee Jonathan Y
Video by:
Jonathan Y

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