Westsail Owners Alliance - Thread: "Replacement Groco Seacocks On W42"
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Thread: "Replacement Groco Seacocks On W42"

12,268 posts on 2,444 threads   •   From Mar 07, 2004 - Jan 08, 2012


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Replacement Groco Seacocks On W42

nick cherney (Guest)

I need to replace a thru hull and seacock (original) on our W42. I am going to be doing it on a tidal grid in SF bay, which will give me about 5 hours to work meaning I need to get the exact same thru hull/ seacock as I wont have time to fill old holes or mess around much. I am wondering if you supply replacement seacocks that take the same bolts (IE only two rather than three) or at least have the part numbers or specs. I guess the thru hull is pretty standard but all the new seacocks I have seen take three bolts. also what kind of bolts were used (counter sunk/pan/machine heads) and am I likely to encounter any other suprises? Thanks bud

Jeff Holemo

those bolts are 3/8" machine screw (counter sunk) flat head slotted silicon bronze. Jamestown Distributors sells them. I just ordered enough to do all of my seacocks. I think they are 1 3/4" long. You might try posting to the wanted section to see if any of the members have one of those seacocks for sale.

Bud Taplin


Contact me at btaplin@westsail.com. I do have some replacement seacocks available.

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