SA Series - Water fed self-aligning shaft seal that is safer and performs better than so-called "dripless" or "packless" mechanical seals. Compatible with most shaft tube (stern tube) arrangements. Refer to sizing guide below to determine correct part # based on shaft diameter and shaft tube size. PART SELECTOR I SIZING GUIDE Part Number

ISB-SA Combo Series - The perfect upgrade for boats with traditional bronze stuffing boxes. Our self-aligning shaft seal is attached to an intermediate shaft bearing (in place of existing stuffing box) offering improved safety and reliability over "dripless" or "packless" style mechanical seals. Proven performance for today's higher horsepower commercial and recreational boats with less noise and vibration. The Intermediate Shaft Bearing (ISB) mounts in place of a traditional stuffing box and the SA-Series self-aligning shaft seal (previous page) attaches to the barbed end of the ISB bearing....