U Joint Yoke Oil Seal – Fits MerCruiser Bravo I II III Blackhawk (Replaces 26-807006, 26-18816, 86730) GMC rotating the driveshaft in its

rotating the driveshaft in its normal direction of rotation to seat the impeller vanes

brittleness) on the old impeller upon inspection

It is also good practice to replace them during any major transmission or pump overhaul to ensure system integrity

especially on startup or when turning

U Joint Yoke Oil Seal – Fits MerCruiser Bravo I II III Blackhawk (Replaces 26-807006, 26-18816, 86730) GMC rotating the driveshaft in itsProduct Details This U Joint Yoke Oil Seal is designed for MerCruiser Bravo I, II, III, and Blackhawk sterndrives from 1988 and up. Compatible with Bravo I, Bravo II, and Bravo III models beginning at serial range 0B664190 & Up, as well as Blackhawk units from 19941995 (serial range 0F186717 & UP), this seal delivers reliable protection for your sterndrive's U joint yoke assembly. Direct replacement for OEM part numbers 26 807006, 26 18816, and 86730,