Alternator Pulley. Mity are committed to sourcing parts of OE quality or beyond, that�s why thousands of professionals trust Mity parts. Cross Reference: OE: 04L903219B Gates: OAP7310 Schaeffler INA�. 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).