1989 OMC Sea Drive 2.0 Steering Cylinder Leaks

Jar15sp1

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Jul 13, 2013
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I have a 1989 Proline 21 with a 1989 OMC Sea Drive 2.0 which is equipped with hydraulic steering. The steering cylinder has started to leak. I noticed that most of the steering components are made by Hynautics. However, the steering cylinder has OMC part #983991 stamped on it's body. Anybody know if this cylinder is actually a Hynautics part with a OMC part # and if a replacement seal kit is available? Thanks in advance.
 
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Jar15sp1

Recruit
Joined
Jul 13, 2013
Messages
2
Re: 1989 OMC Sea Drive 2.0 Steering Cylinder Leaks

I have done some research and I believe I have found my answer. Looks like the steering cylinder is an OMC part and is no longer available. The good news is that an O-ring reseal kit appears to be still available (at the time of this post). The part # for the O-ring kit is: 984425 in case anybody with an OMC Sea Drive runs into a leaking steering cylinder and wishes to reseal instead of retrofit.
 
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