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Buyers Products Tail Light Mounting Box - 4" Round Hole - 2-5/16" Round Hole - Black Steel

Buyers Products Tail Light Mounting Box - 4" Round Hole - 2-5/16" Round Hole - Black Steel

Item # 337LB663SL
Retail:$90.02
Our Price: $44.90
You Save: 50%
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Shipping Weight: 3 lbs
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  • Reviews (102)
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  • Videos (1)
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Buyers Products Accessories and Parts - 337LB663SL

  • Trailer Lights
  • Vehicle Lights
  • Mounting Hardware
  • Mounting Boxes
  • 1 Round Hole
  • Buyers Products
  • Black Steel


  • Buyers Products tail light mounting box
  • Helps to protect exterior lights from the elements
  • Designed for (1) 4" round light and (1) 2-5/16" round sidelight (both sold separately)
  • Black powder-coated steel construction
  • Overall dimensions: 6" wide x 6" tall x 3" deep

LB663SL Buyers Products Single Round Light Box Black Powder Coated Steel With Side Light





Video of Buyers Products Tail Light Mounting Box - 4" Round Hole - 2-5/16" Round Hole - Black Steel

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




Video Transcript for Buyers Products Trailer Lights 337LB663SL Review

Speaker 1: Today we're taking a look at a Tail Light Mounting Box. This mounting box holds one round 4" tail light and one round side light. The lights would mount to the box using mounting grommets. Lights and grommets are sold separately and available at etrailer.com.The box is designed to help protect your lights from the elements. It's made from a durable steel construction with a black powder-coated finish to resist rust and corrosion. It can be bolted or welded to your trailer or truck.When it comes to the overall dimensions of the unit, starting with the overall width as it goes in this direction is right around 6".

Overall height, also around 6". Overall depth, that's front-to-back measurement, is going to give us a measurement of about 3" deep. The cutout here on the front face measures about 4 1/2" in diameter and the cutout for the side light measures 2 5/16" in diameter. And the internal depth, from the back of the box to the inside of the front face is 2 13/16" deep.That's going to do it for today's look at the Tail Light Mounting Box.

Customer Satisfaction Score:


Customer Reviews

Buyers Products Tail Light Mounting Box - 4" Round Hole - 2-5/16" Round Hole - Black Steel - 337LB663SL

Average Customer Rating:  4.8 out of 5 stars   (102 Customer Reviews)


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Product was shipped and arrived quickly as represented.



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The customer support and service that etrailer provides is commendable. From the website to the product packaging to the post purchase follow ups, I am always impressed by how good the experience is. Etrailer is a good role model for how caring about the customers really does make a difference in whether they will be return customers. Kudos to a job well done!



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Great product. Quality manufacturing



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Excellent product, well constructed. Just order more items today to update the lights on my brother's boat trailer.



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Fast service



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Great product, fast delivery !!



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Perfect fit.



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I like it well built



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These are perfect for replacing old and outdated tail light housings on my car trailer project.



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Product was great, purchasing was easy, very satisfied
I suggest using a different shipper than usps, way too many delays



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well built great item



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Was exactly what I was looking for at a great price. Most of the ones I looked at were only spot welded. This one is solid.



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All good,would buy again. --- jim ---.



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Great products, fair pricing, fast delivery, great service.



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great job and very quick



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e trailer you guys outdid yourselves!! I ordered this item that I couldn’t get quick enough anywhere else and I had it in just a few days. Thank you!



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Top quality and great looking product that is built to last, very durable and heavy duty, should last forever and looks great.



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Always a pleasure buying from etrailer



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The original part I ordered was out of stock but instead of delaying the entire order JJ called and asked if I’d like a replacement part. Was able to exchange for similar mounting box and received the package on day two....excellent consumer service and blazing fast shipping, saved my tail!!!



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Just what I ordered and needed for



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high quality light boxes



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Nice product with good service


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Info for this part was:

Employee Cole B
Installed by:
Cole B
Employee Daron K
Edited by:
Daron K
Employee Brian T
Written by:
Brian T

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