GXOAP-9021 is an overrunning alternator pulley for catalog-listed Hyundai and Kia applications. Catalog technical data includes OD1 61, OD2 57, W 42.5, R 5, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Valeo, Cargo, Lester, Ruville. Review the catalog fitment and reference numbers for compatibility before ordering.