PSS Shaft Seals & Spares
The PSS Shaft Seal is the #1 selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders and boatyards.
The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. Boat builders and boatyards recognize the advantages and value of installing the PSS as it eliminates the maintenance, constant adjustment and cost. Aside from these benefits, the PSS Shaft Seal helps to eliminate water in the bilge (100% watertight) and wear to the propeller shaft.
The PSS Shaft Seal can be easily retrofitted and is available for shafts ranging from
3/4” to 6” (20mm to 150mm).
PSS PRO Shaft Seal
For 3/4" to 3-3/4" (20mm to 95mm) shaft diameters The PSS PRO Shaft Seal is a mechanical face seal utilizing our proven stainless steel and car...
View full detailsPSS Shaft Seal - Imperial Shafts
Imperial diameter 3/4" - 3-3/4" shafts Click here for Metric shafts The Type A PSS Shaft Seal is a mechanical face seal. The sealing surface i...
View full detailsPSS Shaft Seal - Metric Shafts
Metric Shaft diameter 20mm -150mm Click here for Imperial sizes The Type A PSS Shaft Seal is a mechanical face seal. The sealing surface is ...
View full detailsPSS PRO Maintenance Kits
For 3/4" to 3-3/4" (20mm to 95mm) shaft diameters EXISTING TYPE A PSS SHAFT SEALS CAN BE UPGRADED BY FITTING A PSS PRO MAINTENANCE KIT As...
View full detailsPSS Seal Maintenance Kit - Imperial Shaft Sizes
Imperial Shaft Sizes Please see other page for Metric shaft sizes PSS Maintenance Kit includes all the items you need to properly maintain your PS...
View full detailsPSS Seal Maintenance Kit - Metric Shaft Sizes
Metric Shaft Sizes Please see other page for Imperial shaft sizes PSS Maintenance Kit includes all the items you need to properly maintain your PS...
View full detailsPropeller Shaft Retention Collar
We have all heard horror stories of boats sinking when a coupling breaks and the shaft is ripped out of the boat. A simple solution to assist in ...
View full detailsPSS Seal O Ring & Grub Screw Kit
If the PSS Shaft Seal needs to be removed and re-installed, PYI suggests that you replace the o-rings, and more importantly, change the set screws ...
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