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Honda Outboard Parts

Shop Honda outboard motor parts by system, including cooling, fuel delivery, electrical, internal engine components, lower unit parts, and routine service items. Browse OEM and replacement Honda marine parts to support maintenance, repair, and rebuild projects.

Shop by System

Common Honda Outboard Model References

This category supports many popular Honda outboards across a wide horsepower range. Always confirm your model and serial number for best fitment.

  • Portable: BF2 to BF20 platforms
  • Midrange: BF30 to BF90 platforms
  • Larger Offshore: BF115 to BF250 platforms

Always confirm your exact horsepower, model year, and serial number to ensure proper part compatibility before ordering.

Back to Outboard

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Item#:
025802
Manufacturer Item:
025802-1
Manufacturer:
Moeller
Available:
In Stock
Your Price:
18.89
Each
Mercury 2-Cycle Direct Inject
Item#:
858037Q01
Cross Reference#:
0764354
0764587
0773495
0775590
0777225
0779431
0779718
8M0061418
8M0075302
8M0229796
8M0229798
8M0229799
8M0229799
8M0230194
857489A01
858037KC1
858037K01
858037QB1
858037QC1
858037Q01
858037Q01
877694K1
877694K30
877694Q1
877694Q1
883701A01
883701A1
Manufacturer Item:
858037Q01
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
64.99
Each
Bore Size 2.785
Item#:
2785KD
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
37.00
Each
Bore Size 3.312
Item#:
3312KD
Manufacturer:
Wiseco
Available:
Out of Stock
51.2700
Your Price:
49.95
Each
Bore Size 3.494
Item#:
3494KD
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
49.95
Each
Bore Size 2.559"
Item#:
2559CD
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
49.95
Each
30cc Tilt Hydraulic Steering Helm Pump for Pro Marine, SeaStar & Uflex Styl

30cc Tilt Hydraulic Steering Helm Pump

Pro Marine 350-THELM-030 Tilt Hydraulic Helm Pump

The Pro Marine 350-THELM-030 Tilt Hydraulic Helm Pump is a 30cc tilt hydraulic steering helm designed for smooth, responsive steering control while allowing adjustable steering wheel positioning for improved driver comfort.

This Pro Marine tilt helm is designed for the 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.

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.

Pro Tip: Tilt helms are popular on center consoles, bay boats, and performance boats where the driver wants adjustable steering wheel positioning for standing or seated operation.

Read our Hydraulic Steering Comparison & Pro Tips Guide

Best Applications

Application Recommended Use
Single Outboards up to 350HP Hydraulic steering helm applications requiring adjustable tilt positioning
Center Console Boats Improved comfort for seated and standing driving positions
Bay Boats Responsive steering with adjustable helm angle
Offshore Boats Comfortable steering position for long-distance operation
Performance Setups Useful where responsive steering and driver comfort are important

Complete or Service Your Steering System

Complete Steering Kit

Need a complete hydraulic steering package? The 350-HSTEER kit includes the steering cylinder, helm pump, hydraulic fluid, and fill hose assembly.

View 350-HSTEER Complete Kit

Steering Cylinder

Pair this helm with a compatible hydraulic steering cylinder for proper system operation and steering response.

View 350-HSTEER-CYL Cylinder

Hydraulic Hoses

Choose the correct hose length for your boat, jack plate, setback, and rigging route.

Shop Pro Marine Hydraulic Hoses

Fluid & Fill Accessories

Hydraulic steering fluid and fill hose assemblies help simplify installation, filling, and bleeding.

View PRO-OIL15 Hydraulic Fluid
View 102P Fill Hose Assembly

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.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 (continental U.S.).
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Items must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000


Searchable Terms

350-THELM-030, tilt hydraulic helm pump, 30cc tilt helm, Pro Marine tilt helm, 1.83 cu in helm pump, SeaStar compatible tilt helm, Uflex compatible tilt helm, hydraulic steering tilt helm, adjustable tilt steering helm, outboard steering helm, 350-HSTEER tilt helm

Item#:
350-THELM-030
Manufacturer:
Pro Marine
Available:
Out of Stock
Your Price:
877.20
Each
Bore Size 3.685
Item#:
3685KD
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
49.95
Each
Bore Size 2.786
Item#:
2786CD
Manufacturer:
Wiseco
Available:
Out of Stock
50.7800
Your Price:
49.95
Each
Bore Size 2.618
Item#:
2618CD
Manufacturer:
Wiseco
Available:
Out of Stock
50.7800
Your Price:
49.95
Each
Bore Size 3.268
Item#:
3268KD
Manufacturer:
Wiseco
Available:
In Stock
Your Price:
49.95
Each
Bore Size 2.605
Item#:
2605KD
Manufacturer:
Wiseco
Available:
Special Order
Your Price:
39.63
Each
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