The product is a genuine Nissan ball joint with manufacturer part number 40160-D0125, specifically designed for the RH (right-hand) lower swivel joint of a Nissan Datsun Stanza T11. This new part is included as a single ball joint and is an authentic replacement component for the lower suspension system of the mentioned vehicle model. The part is OEM (Original Equipment Manufacturer) and is essential for maintaining the proper function and alignment of the steering and suspension system of the Nissan Datsun Stanza T11.