Description
DOMETIC SEASTAR I and II Helm Seal Kit – HS5151
The Dometic SeaStar HS5151 is a hydraulic steering seal kit for Old-style SeaStar I and SeaStar II helms.
It is used during steering-system maintenance when seals are worn, when hydraulic fluid is leaking or weeping, or when a helm or cylinder is being rebuilt as part of preventive service.
Before ordering, confirm the exact helm or cylinder model number stamped on the component. Similar-looking SeaStar parts can use different seal kits depending on series, generation, and fitting style.
- Application-specific service kit: Built for SeaStar helm reseal service.
- Leak-control maintenance: Helps restore sealing where hydraulic fluid seepage is present.
- OEM-style replacement: Designed for SeaStar hydraulic steering service work.
- Model matching required: Verify the helm or cylinder model before disassembly.
- System service note: After hydraulic steering service, refill and purge the steering system according to SeaStar instructions.
Specifications
- Manufacturer: Dometic SeaStar
- Manufacturer Part Number: HS5151
- Product Type: Hydraulic steering seal kit
- Application: SeaStar helm reseal service
- Compatibility: Old-style SeaStar I and SeaStar II helms

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