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: 028903018X;, 028903025J;, 028903026A;, 0289030�. 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).