GXOAP-9130 is an overrunning alternator pulley for catalog-listed BMW, Hyundai and KIA applications. Catalog technical data includes OD1 66.4, OD2 60, W 39.8, R 7, ID 17, M M14, CLOCK CW. OEM/cross-reference numbers are listed for Bmw, Wai, Cargo, Ntn, Gates, Zen. Alternator references are listed for Denso, Toyota, Bmw. Review the catalog fitment and reference numbers for compatibility before ordering.