Lincoln Service Parts 1 › Lincoln Electric 9SG6768-2 SWITCH BOARD & HEATSINK ASBLY G6768-2 Lincoln Electric 9SG6768-2 SWITCH BOARD & HEATSINK ASBLY G6768-2 Sale Price: $2,027.71 Original Price: $2,331.87 SWITCH BOARD & HEATSINK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SWITCH BOARD & HEATSINK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1