Lincoln Service Parts 1 › Lincoln Electric 9SG5051-1 CASE BACK G5051-1 Lincoln Electric 9SG5051-1 CASE BACK G5051-1 Sale Price: $303.76 Original Price: $349.32 CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CASE BACK PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1