Lincoln Service Parts 1 › Lincoln Electric 9SG6590 COVER PLATE G6590 Lincoln Electric 9SG6590 COVER PLATE G6590 Sale Price: $16.36 Original Price: $18.81 COVER PLATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! COVER PLATE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1