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What Is The Size Of The Oval Cutout On The Dexter Light Box Guard DX99VC?  

Updated 08/17/2026 | Published 08/10/2026

Question:

Hello, Im wondering about the dimensions of the oval cut out? It says 6inch x 2inch but Im finding that most of the oval tail lights are 6½inch x 2½. The other question I have, is the 2inch side light just supposed to be a clearance light or is that one supposed to do signals and brake lights as well?

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Expert Reply:

Hey Ted, thanks for reaching out. I went out to our warehouse and measured the Dexter Light Box Guard # DX99VC. The oval cutout is indeed 6-1/2" long x 2-1/2" tall.

The 2" side light is supposed to be just a clearance light for visibility. It does not need to have turn signal or brake light function.

What trailer are you outfitting?

expert reply by:
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Jesse M
Dexter Light Box Guard DX99VC Hole Dimensions
Dexter Light Box Guard DX99VC Hole Dimensions
(click to enlarge)
Ted L. profile picture

Ted L.

8/15/2026

Thank you Jesse! I am going to install these on an old 14' sport warrior. I often lend this trailer to friends and family, and sometimes their confidence is greater than their abilities when it's time to back up. I'm working on making it a little bit more "bullet proof." My plan is to drill holes in the back and bolt these onto the existing tail light brackets. Is there a tail light kit that comes with the side marker light and the wire harnesses that you'd recommend?

Jesse M. profile picture
Etrailer Expert

Jesse M.

8/17/2026

@TedL Nice! Sounds like a good plan. Here are the lights I recommend to go with the light box: - Optronics Fleet LED Trailer Tail Lights w/ Grommets - Stop,Turn,Tail - Submersible - Oval - Qty 2 # TLL12RK - Optronics LED Trailer Clearance or Side Marker Light - Submersible - 3 Diodes - Round - Red Lens # MCL55RB - 2" Round Grommet - Flush Mount - Open Back # A54GB

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