GXOAP-9231 is an overrunning alternator pulley. Catalog technical data includes OD1 59, OD2 52.8, W 43, R 7, ID 15, M M14, CLOCK CW. OEM/cross-reference numbers are listed for Toyota, Wai, Litens. Alternator references are listed for Denso, Lester. Review the catalog fitment and reference numbers for compatibility before ordering.