G4KJ 2.4 Engine Pistons Rings Set 230402G500 234102G500 For Optima Sonata 2.4L 2359CC L4 DOHC This piston rings set is designed for compatibility with 2.4L 2359CC L4 DOHC engines used in Optima and Sonata models. The set includes components identified by part numbers 230402G500 and 234102G500, engineered to fit engine model G4KJ. It is intended to restore proper compression and oil control in the engine cylinder. The kit provides a complete ring set for piston assembly, suitable for use during engine repair or rebuilding processes. Compatibility Note: This is a third-party part. All brand/model references are for fitment purposes only.