GXOAP-9105 is an overrunning alternator pulley. Catalog technical data includes OD1 60.5, OD2 54, W 41, R 5, ID 17, M M14, CLOCK CW. OEM/cross-reference numbers are listed for Denso, Gm, Litens. Alternator references are listed for Gm, Denso, Lester. Review the catalog fitment and reference numbers for compatibility before ordering.