Lincoln Service Parts 2 › Lincoln Electric 9SS35131 4000 SERIES - TWIST CAPS FOR HOUSING S35131 Lincoln Electric 9SS35131 4000 SERIES - TWIST CAPS FOR HOUSING S35131 Sale Price: $5.61 Original Price: $6.45 4000 SERIES - TWIST CAPS FOR HOUSING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! 4000 SERIES - TWIST CAPS FOR HOUSING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1