Lincoln Service Parts 1 › Lincoln Electric 9SM20399 GEAR COVER CASTING M20399 Lincoln Electric 9SM20399 GEAR COVER CASTING M20399 Sale Price: $24.91 Original Price: $28.65 GEAR COVER CASTING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! GEAR COVER CASTING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1