Lincoln Service Parts 1 › Lincoln Electric 9SM13123 DIODE HEAT SINK ASBLY AC-1200/1500 M13123 Lincoln Electric 9SM13123 DIODE HEAT SINK ASBLY AC-1200/1500 M13123 Sale Price: $1,222.26 Original Price: $1,405.60 DIODE HEAT SINK ASBLY AC-1200/1500 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! DIODE HEAT SINK ASBLY AC-1200/1500 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1