Seastar Hh5271 Parts Diagram

If your helm is leaking from the rear cover plate, the base flange, or internal valve plugs, you will need a complete seal rebuild kit.

Symptom B: The Steering Wheel Spins Freely Without Moving the Motor

Understanding the SeaStar HH5271 starts with its internal and external architecture, which ensures "positive" steering without feedback from the engine. SeaStar HH5271-3 | 1.7 Front Mount | Boat Helm Pump Seastar Hh5271 Parts Diagram

If leaking from the main shaft, the shaft seal may need replacement. Leaks from fittings may require tightening or replacement of O-rings.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. If your helm is leaking from the rear

To see the official diagram, you should look at the manufacturer documentation.

Always install the ORB hose fittings before installing the helm pump into the dash, as space is tight. Leaks from fittings may require tightening or replacement

To help you get the exact right parts for your repair, could you share or if it is the newer -3 version ? I can also help you find the exact part numbers for any specific seal or valve you need to replace. Share public link