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Wanted 1973 620 L16 motor fan

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I'm looking for the mechanical motor fan and shroud for my 1973 620 with the L16 motor, used or new, thanks 

Fontana , California - United States

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This is a picture of a seven blade fan, fitting inside the fan shroud of a stock 521/L-16 radiator and fan shroud.  This fan is off a 1980 720, L-20-B non AC truck. It is about 13 3/4 in diameter.



This is a four blade fan, It came out of a 1974 620 truck.  It is in one of my 521 trucks, with a L-20-B.  It is also about 13 3/4 inches in diameter



My second 521 truck has a L-18 engine, with a stock about 12 3/4 diameter fan.  Both trucks do not have any cooling problems, both have stock 521 radiators, or at least stock sized ones.


The seven blade fan had a clutch on it.  I did not have a clutch on the water pump that went on the waterpump on the L-20-B, and I initially ran the seven blade fan, without a clutch, and it made a lot of noise.  After driving the L-20-B 521, for a while, I switched to the four blade fan.


My main point, it probably is not critical that you get the six blade fan you pictured.  Almost any fan that bolts to the waterpump, and clears the radiator shroud will work just fine.   You do need the radiator fan shroud.   It is more important than the fan





Thanks for the advice, my truck didn't have one so I don't know how it looks like,,,the picture was just one from a 620 j13 from Ebay  ,,I do need the correct one fan and shroud I guess, thanks Daniel 

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