Lincoln Service Parts 1 › Lincoln Electric 9SM20517-3 POT & SWITCH ASBLY W/BELT & PULLEY M20517-3 Lincoln Electric 9SM20517-3 POT & SWITCH ASBLY W/BELT & PULLEY M20517-3 Sale Price: $581.74 Original Price: $669.00 POT & SWITCH ASBLY W/BELT & PULLEY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! POT & SWITCH ASBLY W/BELT & PULLEY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1