Cylinder Head Condition: Brand Material: Aluminum Fitment Type: Direct Replacement Engine Code: G4NC Fuel Type: Package Includes: Engine Cylinder Head Assembly 1 PC Part Numbers: 21102-2E063, 22320-2E000, 22321-2E000, 20910-2EA00, 21356-2E021, 28313-2E050, 21355-2E021, 21443-2E000 Compatibility: This cylinder head assembly is designed to fit the following models: - 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 cylinder head is constructed from aluminum material suitable for withstanding mechanical and thermal loads generated during engine.It features machined components and optimized airway design to support efficient airflow, improved air-fuel mixing in the combustion chamber, and enhanced engine power and torque output.Designed as a direct replacement, this assembly installs without modification.The package includes one engine cylinder head assembly as shown.