Part Number 203SK19A having (CAGE Code 89619) and FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components in stock with ready to ship. Get an instant quote for 203SK19A Parts Kit Valve by Mack Trucks Inc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.