Lincoln Service Parts 1 › Lincoln Electric 9SG4481-12 TUBE ASBLY, OIL FILL EXTENSION G4481-12 Lincoln Electric 9SG4481-12 TUBE ASBLY, OIL FILL EXTENSION G4481-12 Sale Price: $1,015.32 Original Price: $1,167.62 TUBE ASBLY, OIL FILL EXTENSION PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! TUBE ASBLY, OIL FILL EXTENSION PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1