GXOAP-9077 is an overrunning alternator pulley for catalog-listed Volvo applications. Catalog technical data includes OD1 61, OD2 56, W 37.8, R 6, ID 17反, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Bosch, Cargo, Wai, Ina, Volvo, Zen. Alternator references are listed for Bosch, Valeo, Volvo. Review the catalog fitment and reference numbers for compatibility before ordering.