Lincoln Service Parts 1 › Lincoln Electric 9SM13639 ROTOR END INSULATOR M13639 Lincoln Electric 9SM13639 ROTOR END INSULATOR M13639 Sale Price: $10.02 Original Price: $11.52 ROTOR END INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! ROTOR END INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1