Lincoln Service Parts 2 › Lincoln Electric 9SS35456 EASYE4 4AI 2AO EXPANSION MODULE S35456 Lincoln Electric 9SS35456 EASYE4 4AI 2AO EXPANSION MODULE S35456 Sale Price: $553.59 Original Price: $636.63 EASYE4 4AI 2AO EXPANSION MODULE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! EASYE4 4AI 2AO EXPANSION MODULE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1