Alternator Pulley. At Ikio we are committed to sourcing parts of OE quality or beyond, in order to ensure we will not let the customer down. Cross Reference: OE: 231004BB0D, 13125525, 93175986, 93175988, 9318�. We are committed to keeping our prices as low as possible, and protecting our customers with long guarantees. This product comes with free 30-day no quibble returns (UK only).