Cylinder Head Assembly for 2013-21 Tucson Sonata Hybrid 2.0L with Engine Code G4NC This cylinder head assembly is designed to fit select models equipped with the 2.0L G4NC engine.It is constructed from aluminum and engineered for direct replacement without modifications.The unit features -machined components and optimized airway design to support efficient airflow, improved air-fuel mixing, and enhanced combustion performance.Compatible part numbers include 21102-2E063, 22320-2E000, 22321-2E000, 20910-2EA00, 21356-2E021, 28313-2E050, 21355-2E021, and 21443-2E000.Fitment includes: - 2021 Tucson SE, Value Edition 2.0L L4 - Gas - 2020 Tucson SE, Value Edition 2.0L L4 - Gas - 2019 Sonata Hybrid Limited, Hybrid SE, Plug-In Hybrid, Plug-In Hybrid Limited 2.0L L4 - Full Hybrid EV-Gas (FHEV), 2.0L L4 - Plug-In Hybrid EV-Gas (PHEV) - 2019 Tucson SE, Value Edition 2.0L L4 - Gas - 2018 Sonata Hybrid Limited, Hybrid SE, Plug-In Hybrid, Plug-In Hybrid Limited 2.0L L4 - Full Hybrid EV-Gas (FHEV), 2.0L L4 - Plug-In Hybrid EV-Gas (PHEV) - 2017 Sonata Hybrid Limited, Hybrid SE, Plug-In Hybrid, Plug-In Hybrid Limited 2.0L L4 - Full Hybrid EV-Gas (FHEV), 2.0L L4 - Plug-In Hybrid EV-Gas (PHEV) - 2016 Sonata Hybrid, Hybrid Limited, Plug-In Hybrid, Plug-In Hybrid Limited 2.0L L4 - Full Hybrid EV-Gas (FHEV), 2.0L L4 - Plug-In Hybrid EV-Gas (PHEV) The package includes one engine cylinder head assembly.Installation is straightforward, requiring no modifications—simply remove the old unit and install the one.Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.