Engine Connecting Rods Pistons Rings Set 23040-2G500 23410-2G500 For Optima Sonata 2.4L 2359CC L4 DOHC This engine connecting rods pistons rings set is designed for use with Optima, and Sonata models equipped with a 2.4L 2359CC L4 DOHC engine.Constructed from forged steel, the components are built to support engine under normal driving conditions.The set includes 4 engine pistons, 4 engine piston pins, 1 set of engine piston rings, and 4 connecting rods, all sized and matched for proper fitment. The parts are engineered to replace , providing compatibility with select 2011–2013 model years.Installation can be completed using standard mechanical procedures, and basic instructions are included to guide the process.Designed for durability and consistent performance, this set supports efficient power transfer and long-term engine function when installed correctly. Compatibility Note: This is a third-party part.All brand/model references are for fitment purposes only.