Flange Bracket for 4" Round Trailer Lights - Plastic

Flange Bracket for 4" Round Trailer Lights - Plastic

Item # A45BB

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A45BB - Mounting Brackets Optronics Accessories and Parts
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  • Trailer Lights
  • Mount Parts
  • Mounting Brackets
  • Optronics
  • 4 Inch Diameter
  • Black
This black plastic bracket allows you to flush mount your Optronics 4" round trailer light. The light snaps into the bracket for a clean look when installed. Recessed mount. Durable plastic construction. Call 800-298-8924 to order Optronics accessories and parts part number A45BB or order online at etrailer.com. Free expert support on all Optronics products. Guaranteed Lowest Price and Fastest Shipping for Flange Bracket for 4" Round Trailer Lights - Plastic. Accessories and Parts reviews from real customers.


  • All Info
  • Reviews (13)
  • Q & A (8)
  • Videos (1)
  • Photos
  • Why etrailer?

Optronics Accessories and Parts - A45BB

This black plastic bracket allows you to flush mount your Optronics 4" round trailer light. The light snaps into the bracket for a clean look when installed. Recessed mount. Durable plastic construction.


Features:

  • Bracket allows you to flange mount your Optronics 4" round trailer light
    • Designed to fit Optronics 45 Series lights (sold separately)
  • Open back provides easy access when wiring
  • Light snaps into flange for a finished look
  • Durable plastic construction
  • Flush mount installation - hardware not included


Specs:

  • Outer diameter: 5-1/2"
  • Inner diameter: 4-9/16"
  • Mounting depth: 1"
  • Distance between mounting holes (center on center): 4-1/4"


Optronics Black Plastic Mounting Flange for 4 Inch Round Flush Mount Lights Diagram

Manufacturer Cross Reference
Flange will work as an exact replacement for:
Uni Bond # FL4001
Peterson # 424-09

Manufacturer Specifications

For use on 4" flush mounted tail lights, the plastic flange snaps around the light to provide new flange mounting holes. No grommet required.



A45BB Optronics Replacement Black Plastic Mounting Flange for 4" Round Sealed Lights - Recessed Mount

Alternate part number: A-45BB






California residents: click here


Video of Flange Bracket for 4" Round Trailer Lights - Plastic


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




Video Transcript for Optronics Trailer Lights A45BB Review

Today we're taking a look at the plastic mounting flange for four inch round trailer light. This flange is made from a durable plastic construction. It's black in color. It is designed for mounting a four inch round light. The flange easily snaps on a light and holds it securely in place. Then it's going to provide you with the mount holes right here to get the entire unit mounted to your application.

The open back design gives easy access for wiring. Few measurements to go over with you real quick and then we'll show how a light fits in there. The distance between the mounting holes center on center it's going to be four and one quarter inches. That's going to be the same distance between each hole. Mounting hardware's not included.

Overall diameter edge to edge is five and a half inches. Overall depth it's going to give us a measurement of about one inch deep. This area right here has a depth of about 7/8 of an inch deep. Then this lip right here measures about 7/16 of an inch to a half inch. I have a four inch round light right here today to show you this. This simply just fits over and then what you want to do is just push the flange onto the light.

You want to get the entire unit just to snap into place. Make sure it's all seated correctly and as you can see there it gives the light a nice clean finish look. It allows for easy mounting, open back design for easy wiring access as well. That's going to do it for today's look at the plastic mounting flange for four inch round trailer lights.


Customer Reviews

Flange Bracket for 4" Round Trailer Lights - Plastic - A45BB

Average Customer Rating:  4.7 out of 5 stars   (13 Customer Reviews)

This black plastic bracket allows you to flush mount your Optronics 4" round trailer light. The light snaps into the bracket for a clean look when installed. Recessed mount. Durable plastic construction.

- A45BB
by:

Easy installation and work great! 515035



- A45BB
by:

I had 4” led lights from a different vendor and needed the flang to mount them. Fit perfectly. Wish they weren’t plastic but it does allow me to remove the light if need be. Overall a good buy. 496435



- A45BB
by:

product was as advertised and promptly delivered. The fit was very tight for my Winnebago motor home but it worked fine. The exit for the wiring comes off the bottom instead of the side. That was my fault for not checking. I made it work. 429463



- A45BB
by:

The flanges are durable. 1 yr. later, I still do not think about them having issues. 414336



- A45BB
by:

everything fit great 217570



- A45BB
by:

As always etrailer wants it right the first time. This last order was about trailer lighting (LEDs) and I want the best I can get so I urge you as the customer to do your homework as etrailer has done theirs. I also bought new wire, this has been a one stop shop for me. Thank you etrailer ??! 204322



- A45BB
by:

The trim rings turned the replacement of my stop / turn lights on my trailer into an easy job. They allowed for mounting of the LED replacements with no modifications needed. It was an exact fit in the holes that my old ones formerly occupied. Kudos to etrailer.com for having them. 147601



- A45BB
by:

Exactly what was needed, makes the job of hanging lights much easier 114427



- A45BB
by:

does not seal like a gromet would but a little calk fix that for my app. which fit into a water tight compartment. 99034



- A45BB
by:

Very prompt delivery. Part was exactly as described. 91281



- A45BB
by:

Fit perfectly. Great replacement for our bus lights. 85516



- A45BB
by:

The product is good quality, matches the bolt-pattern of the hanging bracket BK45BB, and fits the turn/park light STL23CCAB. The tolerances for this combination of items is very snug however, and may require some minor sanding to fit the bracket without a lot of force. 32082



- A45BB
by:

Extra parts just in case 31801


13
13

Ask the Experts about this Optronics Accessories and Parts

Do you have a question about this Accessories and Part?


  • Does Plastic Mounting Flange # A45BB Work with Other Light Brands
  • Provided that the light is the correct size the brand of light will not matter when it comes to Plastic Mounting Flange # A45BB. The overall diameter of the lights that fit the flange is 4-5/16 inches.
    view full answer...

  • Are there Replacement Tail Lights for a 1982 Scamp Trailer
  • In order to determine which replacement lights will fit your 1982 Scamp trailer, you will need to find the manufacturer and model number of the light assembly. This could involve removal of the assembly. If you see numbers on the lens, those are not the correct numbers. If you cannot find any manufacturer/model number information, you will need to measure the diameter of your existing tail lights and any other dimension that you can. You will also need to determine how they mount to...
    view full answer...

  • LED Taillight Recommendation for a 1968 Heilite Trailer
  • We have exactly what you need, but the # 294-0967 is for tow bar lighting for vehicles that are getting flat towed so it wouldn't be a good choice for you. For a similar light to what you have on your trailer that would be LED I would recommend the # STL23R24B. For a wiring harness you would want the # A45PB. For a mounting flange you would want the # A45BB.
    view full answer...

  • Will Plastic Mounting Grommet Work With Optronics 4-Inch LED Trailer Tail Light
  • I called my contact at Optronics and asked about the grommets available for the # STL101RCB lights you purchased. They told me the plastic grommet, part # A45BB will work great with the lights. To complete the installation you will need the three-wire plug, either part # A45PB or # A47PB.
    view full answer...

  • Availability of an Amber Trailer Light that has Parking and Turn Signal Lights In One for a Hot Rod
  • I am sorry but at this time the only trailer lights that serve two or more functions are the tail lights. There are amber tail lights that provide running light and turn signal function (see link) but none that are as small as the 2 inch round side marker light, item # MC52AB. We do have the Sealed, 4 inch Round Trailer Turn Signal and Parking Light, Flush Mount - Amber, item # ST45AB, and the Sealed, 4 inch Round LED Trailer Turn Signal and Parking Light, Flange Mount, 10 Super Diode-Amber,...
    view full answer...

  • 24 Volt Compatible 4 inch Diameter Trailer Clearance Light Recommendation
  • You'd need the part # STL23R24B for red and then # STL23A24B for amber. These are 24 volt compatible lights very similar to the one you referenced. For a mounting ring you then would want the part # A45BB.
    view full answer...

  • Functions of Optronics 12 Diode Miro-Flex Tail Light # STL23RB
  • The Optronics 12 Diode Miro-Flex LED Trailer Stop/Turn/Tail Light you referenced, part # STL23RB is a three function lamp. The # A47PB right angle pigtail, which is sold separately, has a white ground wire, a red wire that carries the brake and directional signal and a black wire that serves as the running light circuit. If the vehicle headlights were turned on, the lamp would be lit. Applying the brakes would make the lamp brighter. The lamp has several mounting options. It can...
    view full answer...

  • Can the Optronics Sealed, Miro-Flex Trailer Clearance Trailer Light Be Used as a Brake Light
  • The 3 diodes in the Miro-flex light, # MCL51RB, would not make a very good brake light. They would not be as bright as the regular brake lights already on the trailer. You would need a light designed to function in whole or in part as a brake light such as # STL23R24B. With this light you would also need a wiring harness, # A47PB. To mount it you could use mounting bracket, # BK45BB and grommet # A45GB. You could also flush mount it using the mounting flange # A45BB.
    view full answer...


Do you have a question about this Accessories and Part?




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Info for this part was:

Expert Research:
Michael H
Expert Research:
Jeffrey L
Updated by:
Laura H
Updated by:
Brian T
Installed by:
Cole B

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