What a Hydraulic Steering System with Tilt Helm Does

A hydraulic steering system uses a helm pump, hydraulic fluid, hoses, and a steering cylinder to turn the outboard engine. When the steering wheel is turned, the helm moves fluid through the system and operates the cylinder mounted at the engine.

The tilt helm allows the steering wheel angle to be adjusted for driver comfort while maintaining smooth hydraulic steering response. This is especially helpful on center consoles, bay boats, and performance boats where the operator may switch between seated and standing driving positions.

Best Applications

Complete or Service Your Steering System

Key Features and Benefits

• Complete hydraulic steering system with tilt helm
• Universal outboard steering application
• Designed for single outboards up to 350HP
• All-new tilt helm for adjustable steering wheel position
• Helps reduce steering effort compared to cable steering
• Improves steering response and handling control
• Good choice for center consoles, bay boats, bass boats, and repowers
• Does not include hydraulic steering hoses

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Complete hydraulic steering system with tilt helm
• Part Number: 350-TSTEER
• Application: Universal outboard hydraulic steering
• Horsepower Rating: Single outboards up to 350HP
• Connection Type: Hydraulic steering hose circuit
• Included Components: Steering cylinder, tilt helm, hydraulic fluid, and fill hose assembly
• Not Included: Hydraulic steering hoses
• Related Components: Hydraulic hoses, steering fluid, bleed kit, fittings, and steering wheel

FAQ

What is included with the 350-TSTEER hydraulic steering system?
This kit includes the main hydraulic steering system components, including the steering cylinder, tilt helm, hydraulic fluid, and fill hose assembly.

Does this kit include hydraulic steering hoses?
No. The 350-TSTEER hydraulic steering system does not include hoses. Hydraulic hoses must be selected separately based on your boat layout and required hose length.

What is the advantage of a tilt helm?
A tilt helm allows the steering wheel angle to be adjusted for improved comfort, visibility, and driving position.

What outboards can this steering system be used with?
This system is designed for universal single outboard hydraulic steering applications up to 350HP.

Can this replace cable steering?
Yes. This hydraulic steering system is commonly used to upgrade boats from traditional cable steering to smoother hydraulic steering.

Searchable Terms

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What This Cylinder Is Used For

The steering cylinder converts hydraulic pressure from the helm pump into side-to-side movement at the outboard engine. It is the component that physically moves the engine when you turn the steering wheel.

If your current cylinder is leaking, damaged, binding, or worn, replacing it can restore proper steering control and improve the overall feel of the system.

Best Applications

Build or Service Your Steering System

Complete Your Steering Setup

Key Features and Benefits

• Replacement hydraulic steering cylinder for 350-HSTEER systems
• Designed for high-horsepower single outboard steering applications
• Helps restore smooth steering movement and control
• Front-mount hydraulic steering cylinder design
• Works with hydraulic helm, hose, and fluid circuit
• Good option for service, repair, or steering system rebuilds

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Steering cylinder
• Connection Type: Hydraulic hose connections to helm circuit
• Typical Use: Single outboard applications up to 350HP when used with the proper system
• Related Components: Helm pump, hydraulic hoses, steering fluid, fittings, and fill/bleed tools

FAQ

Is this the complete steering system?
No. This listing is for the hydraulic steering cylinder only. The complete system is available as the Pro Marine 350-HSTEER kit.

What system does this cylinder work with?
This cylinder is designed for use with the Pro Marine 350-HSTEER hydraulic steering system.

Are hydraulic hoses included?
No. Hydraulic hoses are sold separately so you can choose the correct length for your boat and rigging layout.

When should I replace a steering cylinder?
Replace the cylinder if it is leaking, damaged, binding, corroded, or no longer holding proper steering control.

Searchable Terms

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What a Hydraulic Helm Pump Does

The helm pump is the core component of a hydraulic steering system. When the steering wheel is turned, the helm creates hydraulic pressure that moves fluid through the hoses and steering cylinder to turn the engine.

A properly matched helm pump helps provide predictable steering feel, reduced steering effort, and smooth handling at both low and high speeds.

Best Applications

Complete or Service Your Steering System

Key Features and Benefits

• 25cc hydraulic helm pump design
• Compatible with many standard hydraulic steering systems
• Works with Pro Marine, SeaStar®, and Uflex® style setups
• Smooth steering response and controlled handling
• Designed for high-horsepower single outboards
• Helps reduce steering effort compared to cable steering
• Good option for bass boats, bay boats, and offshore applications

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Hydraulic helm pump
• Helm Size: 25cc
• Connection Type: Hydraulic steering hose circuit
• Typical Use: Single outboard hydraulic steering systems
• Compatible Systems: Pro Marine, SeaStar®, Uflex®, and similar front-mount hydraulic steering systems
• Related Components: Steering cylinder, hydraulic hoses, steering fluid, fittings, and fill/bleed kit

FAQ

What does a hydraulic helm pump do?
The helm pump converts steering wheel movement into hydraulic pressure that moves the steering cylinder.

What size is this helm?
This is a 25cc hydraulic helm pump.

What steering systems is this helm compatible with?
It is compatible with many standard hydraulic steering systems including Pro Marine, SeaStar®, Uflex®, and other similar front-mount hydraulic steering setups.

Is this the complete steering system?
No. This listing is for the helm pump only.

Can I buy the complete steering kit instead?
Yes. The complete 350-HSTEER kit includes the helm pump, steering cylinder, fluid, and fill hose assembly.

Searchable Terms

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What a 37cc Helm Pump Does

The helm pump creates the hydraulic pressure that moves fluid through the steering hoses and into the steering cylinder. When you turn the wheel, the helm controls how much fluid is moved through the system, which directly affects steering feel and wheel turns lock-to-lock.

A 37cc helm moves more fluid per steering wheel turn than smaller 25cc or 30cc helms, which can create quicker steering response and fewer turns lock-to-lock when matched with the correct hydraulic steering cylinder.

Best Applications

Complete or Service Your Steering System

Key Features and Benefits

• 37cc hydraulic helm pump design
• 2.25 cubic inches per revolution hydraulic displacement
• Moves more fluid per wheel turn than 25cc and 30cc helms
• Can provide quicker steering response when properly matched
• Designed for the Pro Marine 350-HSTEER hydraulic steering system
• Compatible with many standard hydraulic steering systems
• Works with Pro Marine, SeaStar®, and Uflex® style setups
• Good choice for performance boats and high-horsepower outboards
• Helps reduce steering effort compared to cable steering

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Hydraulic helm pump
• Helm Size: 37cc
• Displacement: 2.25 cu in/rev
• Connection Type: Hydraulic steering hose circuit
• Typical Use: Single outboard hydraulic steering systems
• Compatible Systems: Pro Marine 350-HSTEER, SeaStar®, Uflex®, and similar front-mount hydraulic steering systems
• Related Components: Steering cylinder, hydraulic hoses, steering fluid, fittings, and fill/bleed kit

FAQ

What does a 37cc hydraulic helm pump do?
It converts steering wheel movement into hydraulic pressure and moves fluid through the steering system to turn the outboard.

What is the difference between a 30cc and 37cc helm?
A 37cc helm moves more fluid per wheel turn than a 30cc helm, which can reduce turns lock-to-lock and create a quicker steering feel when matched correctly.

What steering systems is this helm compatible with?
It is designed for the Pro Marine 350-HSTEER system and is compatible with many standard hydraulic steering systems including Pro Marine, SeaStar®, Uflex®, and other similar front-mount hydraulic steering setups.

Is this the complete steering system?
No. This listing is for the helm pump only.

Should I choose the 30cc or 37cc helm?
Choose based on your steering cylinder, boat setup, and desired steering feel. The 37cc helm is generally the more responsive option.

Searchable Terms

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What a 37cc Helm Pump Does

The helm pump creates the hydraulic pressure that moves fluid through the steering hoses and into the steering cylinder. When you turn the wheel, the helm controls how much fluid is moved through the system, which directly affects steering feel and wheel turns lock-to-lock.

A 37cc helm moves more fluid per steering wheel turn than smaller 25cc or 30cc helms, which can create quicker steering response and fewer turns lock-to-lock when matched with the correct hydraulic steering cylinder.

Best Applications

Complete or Service Your Steering System

Key Features and Benefits

• 37cc hydraulic helm pump design
• 2.25 cubic inches per revolution hydraulic displacement
• Moves more fluid per wheel turn than 25cc and 30cc helms
• Can provide quicker steering response when properly matched
• Designed for the Pro Marine 350-HSTEER hydraulic steering system
• Compatible with many standard hydraulic steering systems
• Works with Pro Marine, SeaStar®, and Uflex® style setups
• Good choice for performance boats and high-horsepower outboards
• Helps reduce steering effort compared to cable steering

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Hydraulic helm pump
• Helm Size: 37cc
• Displacement: 2.25 cu in/rev
• Connection Type: Hydraulic steering hose circuit
• Typical Use: Single outboard hydraulic steering systems
• Compatible Systems: Pro Marine 350-HSTEER, SeaStar®, Uflex®, and similar front-mount hydraulic steering systems
• Related Components: Steering cylinder, hydraulic hoses, steering fluid, fittings, and fill/bleed kit

FAQ

What does a 37cc hydraulic helm pump do?
It converts steering wheel movement into hydraulic pressure and moves fluid through the steering system to turn the outboard.

What is the difference between a 30cc and 37cc helm?
A 37cc helm moves more fluid per wheel turn than a 30cc helm, which can reduce turns lock-to-lock and create a quicker steering feel when matched correctly.

What steering systems is this helm compatible with?
It is designed for the Pro Marine 350-HSTEER system and is compatible with many standard hydraulic steering systems including Pro Marine, SeaStar®, Uflex®, and other similar front-mount hydraulic steering setups.

Is this the complete steering system?
No. This listing is for the helm pump only.

Should I choose the 30cc or 37cc helm?
Choose based on your steering cylinder, boat setup, and desired steering feel. The 37cc helm is generally the more responsive option.

Searchable Terms

350-HELM-037, hydraulic helm pump, 37cc helm pump, Pro Marine 37cc helm, 2.25 cu in helm pump, SeaStar compatible helm, Uflex compatible helm, hydraulic steering helm, outboard steering helm, performance steering helm, 350-HSTEER helm pump

What a 44cc Helm Pump Does

The helm pump creates the hydraulic pressure that moves fluid through the steering hoses and into the steering cylinder. When you turn the wheel, the helm controls how much fluid is moved through the system, which directly affects steering feel and wheel turns lock-to-lock.

A 44cc helm moves more fluid per steering wheel turn than smaller 25cc, 30cc, or 37cc helms, which can create the quickest steering response and fewer turns lock-to-lock when matched with the correct hydraulic steering cylinder.

Best Applications

Complete or Service Your Steering System

Key Features and Benefits

• 44cc hydraulic helm pump design
• 2.68 cubic inches per revolution hydraulic displacement
• Moves more fluid per wheel turn than 25cc, 30cc, and 37cc helms
• Can provide very quick steering response when properly matched
• Designed for the Pro Marine 350-HSTEER hydraulic steering system
• Compatible with many standard hydraulic steering systems
• Works with Pro Marine, SeaStar®, and Uflex® style setups
• Good choice for performance boats and high-horsepower outboards
• Helps reduce steering effort compared to cable steering

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Hydraulic helm pump
• Helm Size: 44cc
• Displacement: 2.68 cu in/rev
• Connection Type: Hydraulic steering hose circuit
• Typical Use: Single outboard hydraulic steering systems
• Compatible Systems: Pro Marine 350-HSTEER, SeaStar®, Uflex®, and similar front-mount hydraulic steering systems
• Related Components: Steering cylinder, hydraulic hoses, steering fluid, fittings, and fill/bleed kit

FAQ

What does a 44cc hydraulic helm pump do?
It converts steering wheel movement into hydraulic pressure and moves fluid through the steering system to turn the outboard.

What is the difference between a 37cc and 44cc helm?
A 44cc helm moves more fluid per wheel turn than a 37cc helm, which can reduce turns lock-to-lock and create a quicker steering feel when matched correctly.

What steering systems is this helm compatible with?
It is designed for the Pro Marine 350-HSTEER system and is compatible with many standard hydraulic steering systems including Pro Marine, SeaStar®, Uflex®, and other similar front-mount hydraulic steering setups.

Is this the complete steering system?
No. This listing is for the helm pump only.

Should I choose the 37cc or 44cc helm?
Choose based on your steering cylinder, boat setup, and desired steering feel. The 44cc helm is generally the more responsive option.

Searchable Terms

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What a 30cc Tilt Helm Pump Does

The helm pump creates the hydraulic pressure that moves fluid through the steering hoses and into the steering cylinder. When you turn the wheel, the helm controls how much fluid is moved through the system, which directly affects steering feel and wheel turns lock-to-lock.

A 30cc tilt helm moves more fluid per steering wheel turn than smaller helms while also allowing the steering wheel angle to be adjusted for improved comfort and driving position.

Best Applications

Complete or Service Your Steering System

Key Features and Benefits

• 30cc tilt hydraulic helm pump design
• 1.83 cubic inches per revolution hydraulic displacement
• Adjustable tilt steering position for improved comfort
• Can provide quicker steering response when properly matched
• Designed for the Pro Marine 350-HSTEER hydraulic steering system
• Compatible with many standard hydraulic steering systems
• Works with Pro Marine, SeaStar®, and Uflex® style setups
• Good choice for center consoles and performance boats
• Helps reduce steering effort compared to cable steering

System Function and Connections

• System Type: Hydraulic outboard steering
• Component Type: Tilt hydraulic helm pump
• Helm Size: 30cc
• Displacement: 1.83 cu in/rev
• Connection Type: Hydraulic steering hose circuit
• Tilt Feature: Adjustable steering wheel angle
• Typical Use: Single outboard hydraulic steering systems
• Compatible Systems: Pro Marine 350-HSTEER, SeaStar®, Uflex®, and similar front-mount hydraulic steering systems
• Related Components: Steering cylinder, hydraulic hoses, steering fluid, fittings, and fill/bleed kit

FAQ

What does a tilt hydraulic helm do?
A tilt helm allows the steering wheel angle to be adjusted while also providing hydraulic steering control for the outboard engine.

What is the advantage of a tilt helm?
Tilt helms improve driver comfort by allowing the wheel position to be adjusted for seated or standing operation.

What steering systems is this helm compatible with?
It is designed for the Pro Marine 350-HSTEER system and is compatible with many standard hydraulic steering systems including Pro Marine, SeaStar®, Uflex®, and other similar front-mount hydraulic steering setups.

Is this the complete steering system?
No. This listing is for the tilt helm pump only.

Can this helm be used on center console boats?
Yes. Tilt helms are especially popular on center console boats where adjustable steering wheel positioning improves comfort and visibility.

Searchable Terms

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