This 4-piece engine piston rings set replaces 23410-2G401 and is compatible with select 2009–2023 Sonata, 2011–2020 Optima, and KX7 models.Designed for direct-fit installation, it supports consistent engine compression and reduced oil consumption.Made from materials, the set is engineered to withstand regular and driving conditions.It is suitable for both professional mechanics and DIY users performing engine rebuilds or repairs.The design is compatible with 2.0T engine configurations.