GXOAP-9037 is an overrunning alternator pulley. Catalog technical data includes OD1 58.5, OD2 53.5, W 34.5, R 6, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Bosch, Volvo, Ina. Alternator references are listed for Ford, Volvo, Valeo. Review the catalog fitment and reference numbers for compatibility before ordering.