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EcoSynic Universal 14″ RV A/C Gasket – 2 Pack

$38.99 on Amazon.com (as of October 11, 2026, 2:48 AM EST) View details ↗

Keep your RV’s roof dry and your air conditioner running smoothly with the EcoSynic Universal 14″ RV A/C gasket. Designed to fit a wide range of rooftop AC units—including Dometic, Airxcel, Advent, Atwood, and Coleman—this gasket replaces worn seals and prevents leaks, keeping your interior protected from moisture and vibration.

Made from durable closed‑cell foam, the gasket offers a flexible, peel‑and‑stick installation that’s perfect for DIY enthusiasts. The one‑piece design eliminates the need for multiple parts, simplifying the replacement process and ensuring a tight, leak‑proof seal. The included foam block kit and optional airflow divider can be customized to maintain unit tension or improve cooling efficiency by separating cold and return air.

Outer Dimensions17″ x 17″
Inner Dimensions14″ x 14″
Which RV air conditioner units are compatible with this gasket?
The EcoSynic gasket fits most rooftop AC units from brands such as Dometic, Airxcel, Advent, Atwood, and Coleman, thanks to its universal 14″ x 14″ inner size and 17″ x 17″ outer size.
How do I install the gasket?
Simply peel off the adhesive backing and press the gasket onto the roof around the AC unit, ensuring a snug fit. The included foam block kit can be used to maintain tension if needed.
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