Description Genuine Eaton Kit Basic Overhaul P/N: 216221 differential parts. For help please call one of our experts! Interchanges:70930DRK404REE70930This product has been superseded and is no longer available. If ordered, you will receive DRK404R. Used in these Dana Spicer modelsDS404 / RS404 Tandem Drive AxleDS405 Tandem Drive Axle