GXOAP-9308 is an overrunning alternator pulley. Catalog technical data includes OD1 58, OD2 52.5, W 34.3, R 6, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Ina, Wai. Alternator references are listed for Bosch, Casco. Review the catalog fitment and reference numbers for compatibility before ordering.