Quick view SYNTHETIC POWER STEERING FLUID 858077K01 Compare $18.77 Part #: 92-858077K01 Verado steering system fluid. For use in power steering systems on Mercury and Mariner outboards where synthetic SAE OW-30 oil is recommended. There is no need to drain the system before using this fluid it will readily mix with... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List