Lincoln Service Parts 1 › Lincoln Electric 9SG9042-1 INVERTER BOARD G9042-1 Lincoln Electric 9SG9042-1 INVERTER BOARD G9042-1 Sale Price: $743.47 Original Price: $854.99 INVERTER BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! INVERTER BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1