GXOAP-9219 is an overrunning alternator pulley for catalog-listed Opel and Saab applications. Catalog technical data includes OD1 59, OD2 53.8, W 48.3, R 6, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Gm, Cargo, Ruville, Zen. Alternator references are listed for Gm. Review the catalog fitment and reference numbers for compatibility before ordering.