The top selling recreational marine hydraulic cylinder for outboard powered boats from the leader in marine steering technology, SeaStar Solutions (formerly Teleflex Marine).

The HC5345-3 Front Mount Ou...

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The top selling recreational marine hydraulic cylinder for outboard powered boats from the leader in marine steering technology, SeaStar Solutions (formerly Teleflex Marine).

The HC5345-3 Front Mount Outboard Steering Cylinder offers excellent resistance to repeated compression set and is designed to better withstand the harsh marine environment. It also features independent engine tilt for twin/triple engine installations and varying lock-to-lock turn ration dependent on helm selection. The new end gland sealing system has been redesigned with an 8-hole design for improved serviceability and updated with Positionable Stainless Steel O-Ring (ORB) Fittings for easy hose routing.

The HC5345-3 meets ABYC and NMMA certification standards and is designed and manufactured in North America. The cylinder is also compatible with SeaStar Power Assist Pump (PA1200-2) which provides an automotive feel to driving your boat with fingertip control.

The HC5345-3 Steering Cylinder is ideal for cruisers, runabouts, center console boats, offshore fishing boats and many more.

Upgrade Options to Consider:

• Stainless Steel Bulkhead Hose Fittings

• Tilt Steering

• SeaStar Power Assisted Steering

SeaStar products are backed by a two-year recreational user warranty against manufacturing defects. SeaStar hydraulic steering systems are tested and certified using only SeaStar hydraulic fluid and SeaStar hydraulic hoses. Use of non-certified products to install SeaStar products may void warranty and could cause loss of steering control.



  • Built and certified to meet safety & quality requirements established by the American Boat & Yacht Council (ABYC) and International Standards Organization (ISO)
  • Positionable Stainless Steel O-Ring (ORB) Fittings for easy hose routing. Robust Barrel design and NEW graphics compliment new boats and motor packages
  • State of the Art Proprietary Sealing System offers superior resistance to repeated compression set and is designed to better withstand the harsh environment
  • 8.34 cubic inches in volume capacity. Independent engine tilt for twin/triple engine installations
  • Not recommended for boats that exceed 75 mph or run surface piercing props or the power exceeds the maximum Coast Guard rating for the vessel
  • Built and certified to meet safety & quality requirements established by the American Boat & Yacht Council (ABYC) and International Standards Organization (ISO)
  • Positionable Stainless Steel O-Ring (ORB) Fittings for easy hose routing. Robust Barrel design and NEW graphics compliment new boats and motor packages
  • State of the Art Proprietary Sealing System offers superior resistance to repeated compression set and is designed to better withstand the harsh environment
  • 8.34 cubic inches in volume capacity. Independent engine tilt for twin/triple engine installations
  • Not recommended for boats that exceed 75 mph or run surface piercing props or the power exceeds the maximum Coast Guard rating for the vessel

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