Teleflex Hydraulic Fittings & Parts

Teleflex Hydraulic Fittings & Parts for Boat Steering

When a boat's hydraulic steering develops a weeping connection, a spongy helm or trapped air, the culprit is often a small component: a fitting, a coupling or a worn hose. Teleflex has long been associated with marine steering and control, and its hydraulic fittings and parts are built around the SeaStar hydraulic steering platform. These components connect the helm pump, hoses and cylinder into one sealed circuit that turns the wheel's motion into precise engine movement.

What Teleflex Offers in This Category

Teleflex hydraulic steering hardware covers the connection points that keep a closed hydraulic system leak-free. Typical items include union coupling fittings sized for 3/8" hose, tee fittings, bleeder tees that help purge air from the lines, compression tube nuts and street elbows. Outboard steering hose kits are also part of the family, supplied as paired hoses with factory-swaged end fittings so no cutting or crimping is needed at installation. Standard kits are designed for SeaStar systems, with exceptions such as SeaStar PRO, BayStar, Capilano and three-line inboard systems, so it pays to confirm your system type before ordering.

Why These Parts Matter

Hydraulic steering depends on a sealed fluid path. Even a small amount of air or a slow leak at a fitting can cause lost motion, heavy steering or a wheel that drifts. Using fittings and hoses designed for the original system helps preserve thread type, seal style and hose size compatibility. Many SeaStar-style fittings use O-ring boss connections at the helm and cylinder, which suit the rotating hose routing that outboard steering cylinders need.

Tips for Choosing the Right Part

• Identify your system first: confirm whether you have a standard two-line SeaStar setup or a specialty system, since not all hoses and fittings are interchangeable.
• Match hose size and length: measure the route from helm to cylinder, allowing slack for engine tilt and turning.
• Match fitting style: straight, 45°, 90° and tee fittings each serve different routing needs, and bleeder versions simplify air removal.
• Plan for fluid and bleeding: after any fitting or hose replacement, refill with the correct steering fluid and bleed the system thoroughly.

A Marine Steering Heritage

Teleflex Marine built its reputation over decades supplying boat builders and boaters with steering, throttle and shift controls, and its steering systems have been marketed as exceeding ABYC safety standards and meeting ISO, IMCI and NMMA certification requirements. The marine line is now carried under the SeaStar Solutions name within the Dometic group, so you may see both names on the same part. That continuity is useful for owners maintaining older boats with Teleflex-branded helms and cylinders.

Explore More

To see everything the manufacturer offers, visit the full Teleflex brand page. For a broader look at how fittings, adapters and related components work across applications, browse the complete Hydraulic Fittings & Parts category.