; HomeHeavy Duty Truck PartsDifferentials & Differential PartsFront Rears (Tandem Front)Spicer/DanaRS404Used 2005 Spicer/Dana RS404 Front Rear (Tandem Front) Used 2005 Spicer/Dana RS404 Front Rear (Tandem Front) Unfortunately this part is temporarily unavailable. View other Spicer/Dana RS404 Front Rears (Tandem Front)