Lincoln Service Parts 1 › Lincoln Electric 9SL11621-3 RECTIFIER HEATSINK ASBLY L11621-3 Lincoln Electric 9SL11621-3 RECTIFIER HEATSINK ASBLY L11621-3 Sale Price: $851.39 Original Price: $979.10 RECTIFIER HEATSINK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! RECTIFIER HEATSINK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1