Need help with fan/clutch I.D.

That number comes back to ..............

18 & 1/2 inch 7 blade fan

Used on..

68-71 B-Body 383 or 440 with Max Cooling and A/C

69-71 Fury, Polara and Monaco, all V8s with A/C

70-73 E-Body with 340 or Hemi..no A/C

73 A and E Body with 318 or 340 with A/C

73 Charger,Coronet,Satellite, Fury, Monaco and Polara with 318 with 2.94 and A/C

73 Fury,Polara and Monaco Taxi or Police Car with 360

Just make sure your radiator is wide enuff... 22 or 26 inch.

And use a shroud.