Lincoln Service Parts 1 › Lincoln Electric 9SG8189 ENGINE CASE SIDE STIFFENER G8189 Lincoln Electric 9SG8189 ENGINE CASE SIDE STIFFENER G8189 Sale Price: $138.69 Original Price: $159.49 ENGINE CASE SIDE STIFFENER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! ENGINE CASE SIDE STIFFENER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1