Lincoln Service Parts 1 › Lincoln Electric 9SL18488 CHOPPER MODULE CASE BACK ASBLY L18488 Lincoln Electric 9SL18488 CHOPPER MODULE CASE BACK ASBLY L18488 Sale Price: $968.00 Original Price: $1,113.20 CHOPPER MODULE CASE BACK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CHOPPER MODULE CASE BACK ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1