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or if the roller no longer spins freely
What causes these seals to fail
You can also review the Engine & Model Compatibility table to find your specific HP and year
4BY150Z 150 4-Stroke 127610-42200 Yanmar 4BY180
Unscrew the bolts holding the water pump housing cover and remove it
Power Steering Pump Pulley – Fits MerCruiser 4.3L-8.2L (Replaces 861578, 8M0150723) 9.9-15HP or if the roller noProduct 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
