Lincoln Service Parts 1 › Lincoln Electric 9SM13771 CONTROL BLOCK COVER M13771 Lincoln Electric 9SM13771 CONTROL BLOCK COVER M13771 Sale Price: $100.65 Original Price: $115.75 CONTROL BLOCK COVER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CONTROL BLOCK COVER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1