Material: grade steel OEM Compatibility: 21020-2G100, 21020-25100, 21020-2G000, 23060-2G101, 23060-2G100, 23060-25100, 23060-2G000 Design and Style: Engineered for and Usage and Purpose: Suitable for rebuild, repair, and maintenance Applicable Models: Fits a wide range of vehicles equipped with 2.0L and 2.4L GAS L4 DOHC engines Performance and Property: Meets or exceeds OEM specifications The STD ENGINE Crankshaft Main & Rod Bearing Kit is designed for use with select Optima and Santa Fe models from 2006 to 2018.Compatible with both 2.0L and 2.4L GAS L4 DOHC engine configurations, this bearing kit supports effective engine performance and longevity.It is intended for vehicles requiring standard specification replacements during crankshaft service.Constructed from materials, the components are tested to meet OEM performance standards.This ensures under normal engine conditions.The kit is intended to provide consistent functionality for engine rebuilds or routine maintenance procedures.Installation is designed to be straightforward, with direct fitment for applicable models including those requiring a 2.4L crankshaft setup.The listed OEM numbers help verify compatibility across different applications.The design allows for integration into existing engine assemblies without modification, supporting efficient servicing whether performed by a technician or experienced DIY user.