Sierra U-Joint Bellows - Mercruiser - S18-2751. All #1 units with ridge (S/N 3469428 & UP)Replaces: 60932A1, 60932A4 (Includes S18-710-72-2 Clamp) Part Number SRA-S18-2751
Sierra U-Joint Bellows - Mercruiser - S18-2752. All #1 units without ridge (S/N 3443920 & BELOW)Replaces: 36223, 36223A1, 36223A2 (Includes S18-710-72-2 Clamp) Part Number SRA-S18-2752
Sierra U-Joint - Mercruiser - S18-2174. Heavy DutyReplaces: 915717, 3850812Fits OMC Cobra and King Cobra Drives (1990 & ABOVE)Includes straight grease fitting and 90deg fitting. Part Number...