Hydrocar - 501PRS357A1 referenced pressure switch product produced by high technology. 501PRS357A1 became irreplaceable of foundations. 501PRS357A1 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 501PRS357A1 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.