Between Friday night and Saturday night a Mazda BT50 twin cab ute was stolen from a Cummins property.
Just after 2.30pm on May 11, the stolen ute was located by police at New West Road, Port Lincoln.
A detailed search located three out of the four suspects in a home on Mackrell Street.
An 18 and 19-year-old man and a 20-year-old woman all from Orange in NSW, were arrested and charged with illegal use of a motor vehicle.
Police inquiries are continuing to locate the fourth suspect.