Rexroth - R900557594 / 4WE 6 D6X/EW127N9K4 referenced DIRECTIONAL SLIDE VALVE product produced by high technology. R900557594 / 4WE 6 D6X/EW127N9K4 became irreplaceable of foundations. R900557594 / 4WE 6 D6X/EW127N9K4 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. R900557594 / 4WE 6 D6X/EW127N9K4 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.