GXOAP-9243 is an overrunning alternator pulley for catalog-listed MercedesBenz applications. Catalog technical data includes OD1 54, OD2 50, W 39.7, R 8, ID 17, M M16, CLOCK CW. OEM/cross-reference numbers are listed for Bosch, Ina, Db. Alternator references are listed for Cargo, Wai. Review the catalog fitment and reference numbers for compatibility before ordering.