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Silver metal hydraulic steering cylinder, front mount, 5.91in wide, compact cylindrical body

VEVOR

VEVOR HC5358-3 Front Mount Hydraulic Steering Cylinder 300HP 1500PSI 5.91in

SKU CH-4X2F-SJ863 MPN HC5358-3

Front-mount hydraulic steering cylinder rated for 300 HP and 1500 PSI with a 5.91-inch width and built-in two-way lock valve

  • Width5.91
  • Front-mount design suits Yamaha under-arm installations
  • Crush-resistant construction withstands harsh marine conditions
  • Built-in two-way lock valve eliminates rebound torque
  • ORB fittings with 8-hole gland simplify hose routing
  • Rated for 300 HP at 1500 PSI working pressure

Front-Mount Hydraulic Steering Cylinder

The VEVOR HC5358-3 is a front-mount hydraulic steering cylinder built for outboard-powered boats such as centre-console, offshore fishing, bass and flats models. It replaces the Teleflex Marine HC5358-3 and supports engines up to 300HP with a maximum working pressure of 1500PSI. The cylinder features a built-in two-way locking valve that eliminates rebound torque and allows independent engine tilt for multi-engine installations. An eight-hole end gland with positionable stainless-steel ORB fittings simplifies hose routing.

Suitable Applications and Limits

This cylinder suits owners of single or multi-outboard boats who need a direct replacement for the HC5358-3 part number and can accommodate a front-mount layout beneath the steering arm. It is not intended for inboard or sterndrive steering systems, nor for installations that require a rear-mount or side-mount cylinder configuration. Buyers without an existing hydraulic helm and hose kit will need to source those separately before the cylinder can function.

Maximum Horsepower and Pressure Rating

The decisive specification is the 300HP / 1500PSI rating, which sets the upper limit for engine power and hydraulic pressure this cylinder can safely handle. Exceeding either figure risks seal failure, loss of steering control and potential damage to the boat's transom. Verify that your outboard's rated output and your helm pump's pressure output stay at or below these values before purchasing.

Highlights

  • Front-mount design suits Yamaha under-arm installations
  • Crush-resistant construction withstands harsh marine conditions
  • Built-in two-way lock valve eliminates rebound torque
  • ORB fittings with 8-hole gland simplify hose routing
  • Rated for 300 HP at 1500 PSI working pressure

Specifications

Width5.91

Questions about this item

How much horsepower can the HC5358-3 cylinder handle before it becomes the limiting factor?

The cylinder is rated for outboard engines up to 300HP, so sustained operation above that power level would exceed its design limit.

What is the maximum working pressure the cylinder endures during all-day operation?

The cylinder is built for a maximum working pressure of 1500PSI (10.3 MPa), which is the peak hydraulic force it can sustain continuously.

Which helm pump must already be installed for the HC5358-3 to function?

A compatible hydraulic helm pump is required; the cylinder’s lock-to-lock turn ratio varies depending on the helm displacement selected.

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