Lincoln Service Parts 1 › Lincoln Electric 9SM21489-3 INPUT CHOKE ASBLY M21489-3 Lincoln Electric 9SM21489-3 INPUT CHOKE ASBLY M21489-3 Sale Price: $755.96 Original Price: $869.35 INPUT CHOKE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! INPUT CHOKE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1