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Recommended Hex Extension Bar for a Doemtic Slide Topper  

Updated 01/19/2026 | Published 08/06/2024

Question:

Hi, I am looking for a Dometic product its the slide topper awning hex-extension bar. Mine is 18 5/8. The Domestic product code for this product is not correct - so it is of no help. Could you please locate this part for me? I need black in color. Thank you very much. It has been troublesome to find.

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Expert Reply:

Mano, it's not Dometic but the Lippert # LC3452072 appears to be the exact same thing. This bar measures 18 5/8" and will work with brackets designed for hex shaped bars, like what's on your Dometic.

expert reply by:
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Bryce D
Lazer S. profile picture
Etrailer Expert

Lazer S.

1/19/2026

Hey Mano, how did the Lippert extension bar work out as a match for your Dometic slide topper? It sounds like the size and shape lined up well. Your update could make it easier for others trying to replace the same part.

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