Lincoln Service Parts 1 › Lincoln Electric 9SM18720-27 RELAY M18720-27 Lincoln Electric 9SM18720-27 RELAY M18720-27 Sale Price: $1,036.06 Original Price: $1,191.47 RELAY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! RELAY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1