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Do You Have a Replacement Red LED Marker Light that is 3/4" and Plugs into a Harness?  

Updated 09/23/2025 | Published 09/15/2025

Question:

I have a 2014 Aluma MC210 trailer and need to replace the red LED marker light that fits in the tail/brake light housing. Looks to be 3/4 and is 2 diode. I have removed the old one and it plugs into the harness with 2 wires with connectors, white/black. I am not having much luck searching 129 pages of lights. Can you tell me the correct part please? Thanks!

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Expert Reply:

Hello Scott,

The closest thing that I can find to what you are describing is the Uni-Lite LED Clearance and Side Marker Light w Grommet - Submersible - 2 Diodes - Red Lens # MCL11RKB, but it doesn't plug into a harness.

Can you please respond directly to the email that you receive with pictures of the light and pigtail?

expert reply by:
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Kate F
Scott profile picture

Scott

9/23/2025

Hi Kate, Thank you for the reply! I will probably get 2 of the clear lens lights from Optronics. However here is a picture of the old light, the grommet was removed and the red casing top broke off when I removed it. The color of the lens isn't that big of a deal. as long as the light is red at night.

Kate F. profile picture
Etrailer Expert

Kate F.

9/23/2025

@Scott Thanks for getting that picture to me Scott! We do have a light with a red lens and the 2 bullet connectors you need, the Peterson light # PET38FR. The clear one is definitely going to be your more cost effective option (and the option I would go with), the # OPT63KB. You might as well swap them all out, or have at least have the others on hand. When one goes out, it's just a matter a time before the others follow.

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