The South Korean company, which supplies Tesla, General Motors Co and others, reported operating profit of 237 billion won ($192.92 million) for the October-December period, versus 76 billion won a year earlier.
That compared with an average analyst forecast of 256 billion won compiled by Refinitiv SmartEstimate.
($1 = 1,228.5000 won)
(Reporting by Heekyong Yang and Joyce Lee; Editing by Christian Schmollinger)