Spring Cartridge Kit | OEM Dometic 385310683 Replacement | NBK‑20607

Spring Cartridge Kit – NBK-20607 – OEM Dometic 385310683 Replacement

Keep your RV toilet operating smoothly with the NBK-20607 Spring Cartridge Kit, a precise OEM-equivalent replacement for the Dometic 385310683 foot-pedal spring used in Sealand and Traveler series toilets. This durable kit restores proper pedal tension and seal integrity, ensuring reliable flushing performance and long-lasting operation.

Key Features:

• OEM Equivalent – Direct replacement for Dometic 385310683 cartridges used in 110 and 210 series toilets
• Complete Kit – Includes spring cartridge, end-cap, and mounting screws for easy installation
• Durable Build – ABS plastic housing resists leaks, cracks, and wear for long-term reliability
• Simple Swap – Requires minimal tools and installs easily in place of worn or damaged cartridges
• OEM Manufacturer Warranty – Backed by a 1-year warranty when purchased from authorized NBK retailers

Specifications:

• SKU: NBK-20607
• Replaces: Dometic 385310683
• Application: Foot-pedal spring for Sealand / Traveler RV toilets (110 & 210 series)
• Housing: ABS plastic with black end cap and screws included
• Warranty: 1-year OEM coverage through NBK

Why You Need It:
Over time, the foot-pedal spring in RV toilets can weaken, leading to poor flushing performance, leaks, or slow pedal return. Replacing the cartridge restores full tension and sealing ability, preventing water loss and ensuring smooth, dependable operation.

Fitment Note:
Designed for Dometic Sealand and Traveler RV toilet models including EcoVac and 5000 series (excluding model 5006). Always confirm compatibility using your existing part number (385310683) or by checking your owner’s manual.

Ordering Info:
This is a special-order part fulfilled through NBK. Please allow 1–2 business days for processing prior to shipment. Verify fitment before purchase to ensure a smooth installation experience.