Lincoln Service Parts 1 › Lincoln Electric 9SM13479-4 MOTOR INSULATOR M13479-4 Lincoln Electric 9SM13479-4 MOTOR INSULATOR M13479-4 Sale Price: $583.43 Original Price: $670.95 MOTOR INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! MOTOR INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1