The DrySeal has an optional back-up seal that if installed during the original time of installation can be installed without removing the unit or the shaft. Available in shaft sizes 3/4" to 8", accommodating any size stern tube up to 10-1/2" in diameter. Metric sizes available. Also an excellent rudder shaft seal.
- Optional Back-up seal rotates with the shaft until replacement is needed.
The West Advisor
The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.