Part Number R-1-21-18 having (CAGE Code 07309) and FSC 5945 Relays and Solenoids in stock with ready to ship. Get an instant quote for R-1-21-18 Relay Electromagnetic by Rolls Royce Marine. 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.