Unscrew the bolts holding the water pump housing cover and remove it
or if the roller no longer spins freely
4BY150Z 150 4-Stroke 127610-42200 Yanmar 4BY180
and visible rust stains or water leaks on the exterior of the riser or manifold
Any remaining adhesive residue can be cleaned with an appropriate solvent like rubbing alcohol or a specialized adhesive remover
Power Steering Pump Pulley – Fits MerCruiser 4.3L-8.2L (Replaces 861578, 8M0150723) 9.9-15HP Unscrew the bolts holding theProduct Details This Power Steering Pump Pulley is designed for MerCruiser sterndrive engines from 1996 to 2014 equipped with a serpentine belt system. It fits a wide range of models, including 4. 3L, 5. 0L, 5. 7L, 6. 2L, 7. 4L, and 8. 2L engines, ensuring broad compatibility for many popular boats. It serves as a direct replacement for MerCruiser part numbers 861578 and 8M0150723, as well as Sierra 18 8297 and aftermarket equivalents 875168 and