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Product Details

Teleflex Seastar inboard hydraulic steering cylinders are engineered and manufactured for most pleasure and commercial vessel applications up to 38 feet in length. Cylinders are constructed from regular duty aluminum and heavy duty brass.

SeaStar cylinders are easy to install for single and dual rudder systems, feature two axis articulation, and can be easily interfaced with an autopilot system. All cylinders are supplied with bleeder fittings for easy maintenance.

Brass Cylinder Dimensions: 21" x 8.0" x 10.0"

Aluminum Cylinder Dimensions: 20" x 6.5" x 8.5"

Tech Specs
Cylinder ModelPart NumberBody DiameterShaft Diameter
BA125-7ATMHC53121.375".500"
BA135-7ATMHC53131.50".625"
BA150-7ATMHC53141.75".625"
BA150-7TMHC53181.75".625"
BA150-9TMHC53691.75".625"
BA175-7TMHC53192.00".750"

Reviews for Teleflex SeaStar Inboard Hydraulic Steering Cylinder

3 of 3 Reviews

October 15, 2018

Easy to install
By Sam from Atlanta

Verified Purchase

Replaces original cable steering system

Bottom Line Yes, I would recommend to a friend

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January 11, 2015

good product, great service!
By Tony from Punta Gorda, Fl.

Verified Purchase

Bleeding the system was a bit messy but all's well that ends well!

Bottom Line Yes, I would recommend to a friend

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January 24, 2014

Very complete kit, well made
By Dennis from Port Aransas, TX

I bought an HC5312-3 hydraulic cylinder to replace my original, 2005 vintage, cylinder which had started to leak and I couldn't repair. The kit is complete with a helm fluid fill kit and bleeder hose. The materials and instructions are excellent. It takes two people to bleed the system but it is not hard to do. The original cylinder failed due to rust preventing the "rod ball end" from moving which caused the piston seal to wear and leak. The new cylinder appears to have several design improvements and works well. The instructions don't mention it but I greased the moving parts of the "rod ball end" to try to prevent future corrosion.

Bottom Line Yes, I would recommend to a friend

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