Baystar HC4647-3 Outboard Hydraulic Steering Cylinder, Front Mount, Honda

Model # 14661045 Mfg # HC4647-3
3.2 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
Baystar HC4647-3 Outboard Hydraulic Steering Cylinder, Front Mount, Honda
Model # 14661045 Mfg # HC4647-3
3.2 out of 5 Customer Rating
Advice & How-To
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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The BayStar HC4647-3 is a hydraulic steering cylinder purpose-built for outboard-powered vessels. This front-mount cylinder delivers professional-grade steering performance with a compact, balanced design that accommodates most splash well installations while providing a full range of engine movement. The cylinder features a displacement of 7.24 cubic inches (7.3 cu.in) and achieves 5.2 lock-to-lock turns when paired with the HH4314-3 BayStar Helm Pump.

Specifically engineered for Honda outboard engines from 1998-2009 (115-130 HP models), the HC4647-3 supersedes the HC4647H and is rated for a maximum total system capacity of 150 HP. Manufactured by SeaStar Solutions (now Dometic Marine), the leading authority in marine hydraulic and mechanical steering, this cylinder integrates seamlessly into complete BayStar Hydraulic Steering Systems.

Key Features

  • Front-mount cylinder with stationary installation configuration
  • 7.24 cubic inches fluid displacement
  • Maximum pressure rating of 6.9 MPa (1000 psi)
  • Center distance of 21 inches (534 mm)
  • Dimensions: 4.6 inches height × 2.625 inches width
  • -4 ORB O-ring style hose fitting ports with bleeder tee kit equipped
  • Compatible with 1/4" NPT helm fill/vent port
  • 5.2 lock-to-lock steering turns with HH4314-3 helm pump
  • Also compatible with Mercury/Mariner, Johnson/Evinrude, Yamaha, and Suzuki outboards
  • Engineered for safe, reliable, and comfortable hydraulic steering
  • Part of the complete BayStar Hydraulic Steering System (Book 22.3)
  • ISO 10592 and ABYC certified

The cylinder requires exclusive use with BayStar Hydraulic Steering components and utilizes SeaStar Steering Fluid. Installation includes comprehensive documentation and a 2-year limited warranty (1 year for commercial/rental use).

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