Lincoln Service Parts 1 › Lincoln Electric 9SG8670-1 MAIN CONTROL PC BOARD ASSEMBLY G8670-1 Lincoln Electric 9SG8670-1 MAIN CONTROL PC BOARD ASSEMBLY G8670-1 Sale Price: $658.01 Original Price: $756.71 MAIN CONTROL PC BOARD ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! MAIN CONTROL PC BOARD ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1