GXOAP-9023 is an overrunning alternator pulley. Catalog technical data includes OD1 61, OD2 56, W 37.5, R 5, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Bosch, Lukina, Ina, Ika, Gates, Ruville, Vw, Skf, Zen, Wai. Review the catalog fitment and reference numbers for compatibility before ordering.