Stern tube seal replacement: successful! One of our service engineers performed service on a Kemel system with size 380 AFT and 380 FWD seals. Our service engineers are specialists and we can service all common brands, like Kobelco, Kemel, Wartsila, Simplex, Lagersmit, etc. Plus, we also supply stern tube seal spare parts. So you can rely on us for the stern tube seal spare parts and the stern tube seal replacement. For more information about our stern tube seal service click here & for the stern tube seals click here. We also have Marine Propulsion specialists for Propulsion service on Bow thrusters, Azimuth thrusters, CPP, OD Box etc.