The PCV Hose the PCV Tube on the driver's side of the engine block to the PCV Valve on the Intake Manifold in order to remove harmful gasses and moister from the crankcase.
Unfortunately, Nissan has discontinued this PCV Hose. An Oil Catch Can can be used in place of the original hose, see Related Items below.
Datsun 280Z, 280ZX
Datsun S30, S130
1975, 1976, 1977, 1978, 1979