Bargmen discontinued them several years ago. If you get a response back from them, please post the outcome. Was hoping they may have started making them again.
I have found a drop in replacement if that is what you want to do. The aftermarket is recreating them to fit the exact same holes.
This is where I have bought mine from. I have had good experiences buying from Etrailer.
Here is the amber from Optronics
https://www.etrailer.com/Trailer-Lig...cs/MC48AB.html
Here is the red from Optronics
https://www.etrailer.com/Trailer-Lig...cs/MC48RB.html
The lights do not come with the screws. Your old ones may be rusted, I replace them with stainless. When you tighten the screws, only use a hand screw driver and be gentle. The screws are only screwed into the very thin siding and the siding can strip out with any amount of excess torque.
The good part about them, they are a direct fit and low cost. No different holes to drill, or figure out how to seal the light to the camper. The reality is, they are only as good as the original and the Optronics does not supply new screws.
The replacements I linked I would say they are in the 8 to 10 year range if you use some 303 UV protectant or other brand UV treatment on them. You may have less years if you do nothing to protect the sun damage. The sun bakes these lights to death. The 303 helps prolong that. And if you drill 2 small drain holes in the bottom of the light, they will last more towards the 10 plus years. Over time tiny cracks come in the sealed lens and then water can wick in, freeze and crack. By adding the drain holes when they are new, water will not accumulate inside and the lens last longer and not water infect the camper when they fill up inside.
See here for the 2 small holes I am talking about
It is also good to caulk the top and ends to the siding. Touch the light and siding with the caulk. I suggest Dicro non sag sealant or Proflex RV sealant to do this with. I do not suggest you use silicone. It just does not bond well long term on the outside of a camper.
Hope this helps
John
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Current Sunlines: 2004 T310SR, 2004 T1950, 2004 T2475, 2007 T2499, 2004 T317SR
Prior Sunlines: 2004 T2499 - Fern Blue
2005 Ford F350 Lariat, 6.8L V10 W/ 4.10 rear axle, CC, Short Bed, SRW. Reese HP trunnion bar hitch W/ HP DC
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