SeaStar BayStar Cylinder Seal Kit HC4645H HC4648H HC4658H HP4600 FSM131G1 Gen 1
SeaStar BayStar Cylinder Seal Kit HC4645H HC4648H HC4658H HP4600 FSM131G1 Gen 1

SeaStar BayStar Cylinder Seal Kit HC4645H HC4648H HC4658H HP4600 FSM131G1 Gen 1

Regular price $45.00 Sale

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If you have any further questions please feel free to contact our parts department at 727-346-6912 EXT2
 Monday through Friday 8-4:30 PM


This kit fits Gen 1 style units, the difference between Gen1 and Gen2 are the seal styles. Gen1 uses a pressed in wiper seal and the Gen2 uses a recessed dual action wiper seal. 

If you order the the wrong generation style we will do an exchange for this as it can be difficult to tell what style you have if you are not a hydraulics expert. 

Sending Pictures of the End caps / Glands to us will help us identify what you have and what you need. 

This kit rebuilds the standard Sea Star steering Cylinder HC4645H HC4648H HC4658H, we used all Viton seals for this kit as Viton is a super material and costs 15 times more than other NBR or Urethane materials and last 2-3 times as long, Viton was Formulated by Dupont it is a Synthetic Rubber which resists Oxidation, UV Rays, Solvents, Acids and ozone on paper the working life of this material is about 30 years and I would suspect it will last even longer than that. 

We have gone great lengths to bring better quality parts to the marine industry as we have seen these systems leak within 5 years of being new. 

Low Quality Urethane Seals Deteriorate Rapidly In The Marine Environment 

You won't find better seals on the market hands down. 

These caps never wear out and they can be resealed without any issues. 


We do not accept returns in order to ensure viability of our products; please be 100% certain of the application before purchase. If you are not sure, please send us an email with your year make and model or a picture of your unit and we will get you going in the right direction!
If you have any further questions please feel free to contact our parts department at 727-346-6912 EXT2
 Monday through Friday 8-4:30 PM

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