Lincoln Service Parts 2 › Lincoln Electric 9SS18395-78 DIODE & HEATSINK ASBLY S18395-78 Lincoln Electric 9SS18395-78 DIODE & HEATSINK ASBLY S18395-78 Sale Price: $126.52 Original Price: $145.50 DIODE & HEATSINK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! DIODE & HEATSINK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1