This piston with ring set is designed for use with the G4KC 2.4L L4 engine.It fits vehicles including the Tucson (2010–2013), Optima (2006–2010), Sonata (2006–2010), Santa Fe (2010–2012), Rondo (2007–2010), Koup (2010–2013), and Forte5 (2013).The set includes four piston rings and is compatible with part number 23410-252111.It meets factory specifications for fit and function and is intended for engine rebuild, repair, or maintenance to restore.Installation follows standard engine service procedures.