GXOAP-9220 is an overrunning alternator pulley. Catalog technical data includes OD1 57.5, OD2 51.2, W 40.2, R 6, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Ford, Volvo, Ina, Litens, Cargo, Gates. Alternator references are listed for Valeo. Review the catalog fitment and reference numbers for compatibility before ordering.