12303-N3600 PULLEY-CRANK / Pulley-Crankshaft / Lookup Code 12303 (1) Bolt Crank Pulley. Pulley Crankshaft. Washer Spring Lock M. (2) PULLEY-CRANK is Lookup Code 12303 in the diagram attached. (1) Part Fitment (1) -------------------------------------------------------------------------------------------------------------------------------------------------------------------- Make Model Year Trim Engine Important vehicle option details -------------------------------------------------------------------------------------------------------------------------------------------------------------------- Nissan 280ZX 1979-1980 NON GL 6 Cyl 2.8L L28E -------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1) https://www.nissanpartsdeal.com/parts/nissan-pulley-crank~12303-n3600.html 2) https://parts.nissanoflumberton.com/p/89405425/12303-N3600.html 3) http://datnissparts.com/x-front-crankshaft-pulley-harmonic-balancer-l24-l26-l28-240z-260z-280z-280zx-12303-n3600/ ___________________________________________________________________________________________________________________________________________________________________ The vehicle options this part fits (1) Production Date: 07/1978-07/1979 Fitting Vehicle Options: L28E. MT. F4 + L28E. NON. J. (MT. F5+ AT) ___________________________________________________________________________________________________________________________________________________________________ Additional Information: (3) Front Crankshaft Pulley Harmonic Balancer L24 L26 L28 240Z 260Z 280Z 280ZX Will work on L24E 810 910 Maxima if you have deleted the power steering There is no provision for power steering on this pulley Crank pulley for the L6 engines It will work on the L4 engines if you use the L6 water pump and pulley, and also modify the alternator bracket so that the alternator pulley lines up This one is specifically for: 1974 & 1974.5 260Z 1975 1976 1977 & 1978 280Z 1979 280ZX without power steering There is no provision for power steering on this pulley If you have a 1980-1983 280ZX with Factory air conditioning, the original narrow a/c belt will sit farther down in wider groove of this pulley, so you may need to go slightly shorter on the belt. ___________________________________________________________________________________________________________________________________________________________________