Pargo next underwent overhaul and received a new engine at Mare Island Naval Shipyard. On 5 March 1944 she was underway for Pearl Harbor and 25 March began her third war patrol. Her mission, to destroy enemy ships in the Philippine and Celebes Seas areas was carried out with several attacks, one of which sank an ex-net tender. Pargo began refitting at Fremantle, Australia 24 May.
