Lincoln Service Parts 1 › Lincoln Electric 9SM20057 HEAT SINK BRACE M20057 Lincoln Electric 9SM20057 HEAT SINK BRACE M20057 Sale Price: $58.82 Original Price: $67.64 HEAT SINK BRACE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! HEAT SINK BRACE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1