Flange Seal Gasket Kit

NBK-20616 Flange Seal Gasket Kit – Equivalent to Dometic 385310063Ensure leak-free performance in your RV sanitation system with the NBK-20616 Flange Seal Gasket Kit. Designed as an OEM-equivalent replacement for Dometic part number 385310063, this kit restores the reliable, watertight seal needed to maintain your RV toilet or waste system and prevent unwanted leaks or odors.Key Features:OEM Equivalent – Direct replacement for Dometic 385310063, ensuring a precise fit and dependable sealing performanceComplete Kit – Includes flange seal gasket and all components needed to refresh toilet or waste system connectionsStops Leaks & Odors – Creates a watertight barrier to prevent leaks and block unpleasant odors from entering your RVDurable Materials – Constructed from premium gasket compounds designed to resist moisture and waste system chemicalsSpecifications:SKU: 20616Brand: NBKEquivalent To OEM: Dometic 385310063Category: RV Parts / Seal & Gasket KitsTypical Use: RV toilet base or flange sealing applications (verify fitment with your model documentation)Warranty: Standard 1-year manufacturer warrantyWhy You Need It:Over time, flange seals can deteriorate, harden, or lose elasticity, leading to leaks and unwanted odors. Replacing them with the NBK-20616 kit ensures a secure, watertight seal—protecting your RV flooring and maintaining a clean, odor-free living space.Fitment Note:Designed as a direct aftermarket replacement for Dometic 385310063. Always confirm your appliance’s model and original part number to ensure compatibility before installation.Ordering Info:Special order from NBK. Please allow 1–2 business days for processing before shipment. Verify compatibility with your RV’s service manual prior to purchase.