SeaStar Solutions HH6543-4 Classic Tilt Hydraulic Helm Pump 2.0 Cu In

The SeaStar Solutions HH6543-4 Classic Tilt Hydraulic Helm Pump delivers professional-grade boat steering control for a wide range of marine applications. This 2.0 cubic inch displacement helm pump is designed for inboard, sterndrive, and outboard boats up to 50 feet, providing smooth, no-feedback hydraulic steering for single engines up to 350 HP or counter-rotating twin engines up to 700 HP combined.

Key Features:

• 2.0 cubic inch displacement for responsive steering performance
• 48° tilt range (12° down, 36° up) with 5 positive lock positions
• Pre-loaded dual tapered bearings for optimized performance and longevity
• Shaft seals to prevent water ingress and maintain system integrity
• Compact footprint fits most marine dashes
• Compatible with boats traveling up to 60 MPH (for higher speeds, see SeaStar PRO series)
• Can be used in multiple helm station configurations
• Maintenance-free design for reliable operation

The HH6543-4 replaces older models HH6543-3 and HH6543, offering improved performance with quieter operation, smoother feel, and quicker reaction time. This helm pump is packaged with repositionable O-ring boss (ORB) hose fittings for secure, leak-free connections. As the world's most popular hydraulic steering system, SeaStar Classic helms provide unmatched comfort and precision control on the water.

Important: Use only SeaStar hydraulic steering fluid or Mil Spec H5606 fluid. Never use brake fluid. The fluid cap must remain in the uppermost position at all times. For helm maintenance, use service seal kit HP6032.