Lincoln Service Parts 1 › Lincoln Electric 9SG9818-4 GAS MANIFOLD G9818-4 Lincoln Electric 9SG9818-4 GAS MANIFOLD G9818-4 Sale Price: $10,653.90 Original Price: $12,251.99 GAS MANIFOLD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! GAS MANIFOLD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1