GXOAP-9017 is an overrunning alternator pulley. Catalog technical data includes OD1 61, OD2 56, W 35, R 6, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Bosch, Gates, Ika, Ina, Wai, Ruville, Lukina, Vw, Skf, Zen. Review the catalog fitment and reference numbers for compatibility before ordering.