Seastar Side Mount Cylinder HC5370-3

Seastar Side Mount Cylinder HC5370-3 a great alternative for wide, shallow splashwells. Good choice for engines with threaded tilt tubes. All engines with threaded tilt (steering) tubes complying with ABYC P17/ABYC P21//NMEA/BIA standards for mechanical steering.

Not for use with SeaStar Pro Helm Pumps.

Over viewing factors
Total number of engines
Total horsepower of engines

 Applications
Over viewing factors All engines with threaded tilt (steering) tubes for mechanical steering.
Cylinder attaches to the engine tilt tube .
Single and multiple outboard engine installations.
Typical applications include centre console fish boats and cruisers.

Features and Benefits:

Ease of installation.
Alternative to Front Mount cylinder where space allows
Unbalanced cylinder with 4.8/5.7 turns lock to lock. (Do not use with Pro helm)
Suitable for installation in shallow splash wells.

Caution not recommended
Do not use with Seastar Pro Helms. Chopper, cleaver or surface piercing propellers.
Engine is highly elevated on the transom. Engine trim tabs have been removed.
The boat exceeds 120km/h.

Side Mount Cylinder with ORB fittings

Seal kit HP6088

Side Mount Cylinder with NPT fittings

HC5370 is the old style NPT fittings.
Seal kit HS5153
Rod End Gland Kit HS5173
Bleeder Tee Fitting HF550

Seastar Owners Manual

Seastar Side and Splashwell Mount Cylinders Owners Manual