Find your PSS seal
Select your propeller shaft diameter. We'll show you every PSS Type A seal we make for that shaft, and the stern tube outside-diameter range each one fits — shown in millimetres and inches — so you can match it straight to your measured stern tube. The rubber bellows stretches to seal across each range.
| Stern tube seal | Fits stern tube OD | Price | Availability | Add to cart |
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Measure your stern tube's outside diameter and pick the seal whose range covers it. Not sure? Ask us and we'll confirm the fit.
👆 Choose your shaft diameter to see the seals that fit.