Fits All 1/2" and 3/4" Sherwood Strainers Replacement o-ring for Sherwood 1/2 in. & 3/4 in. NPT marine raw water strainers Sherwood 1/2 in and 3/2 in. water strainer o-ring Used on Sherwood 15935, 18004, and18001 strainers Seals between strainer head and s
Don’t lose this in the water!
Alost O-ring can cause your engine to overheat!
This has been changed by the manufacturer and no longer has the 4 flat sides
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