Lincoln Service Parts 2 › Lincoln Electric 9SS31173 PLANAR TRANSFORMER CORE REPLACEMENT KIT S31173 Lincoln Electric 9SS31173 PLANAR TRANSFORMER CORE REPLACEMENT KIT S31173 Sale Price: $207.28 Original Price: $238.37 PLANAR TRANSFORMER CORE REPLACEMENT KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PLANAR TRANSFORMER CORE REPLACEMENT KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1