R180 Differential Axle O Ring seal OEM 240Z 260Z 280Z

New OEM genuine Nissan R180 axle O-ring. This O-ring is used on the bolt that holds the stub axle into the differential. One O-ring per axle. This part will fit datsun R180 rear differentials, not for R200.  See pt# 35 in diagram for part location.

*Axle bolt for this washer is PT# 200-723