Lincoln Service Parts 1 › Lincoln Electric 9SL15400-9 UNIGUN ASSEMBLY L15400-9 Lincoln Electric 9SL15400-9 UNIGUN ASSEMBLY L15400-9 Sale Price: $3,665.18 Original Price: $4,214.96 UNIGUN ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! UNIGUN ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1