Lincoln Service Parts 2 › Lincoln Electric 9SS28188-50 POWER BUCK DIODE S28188-50 Lincoln Electric 9SS28188-50 POWER BUCK DIODE S28188-50 Sale Price: $238.73 Original Price: $274.54 POWER BUCK DIODE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! POWER BUCK DIODE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1