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Need 71 pulley part #

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Old Nov 9, 2008 | 10:28 AM
  #1  
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Default Need 71 pulley part #

I need the part # of the outside waterpump single groove pulley. I think it's for A.I.R. or AC. Anyone know the part #?
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Old Nov 9, 2008 | 10:45 AM
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I have several singles,I'll look a little later today.
edit oops misread that.I'll try and look it up.
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Old Nov 9, 2008 | 05:25 PM
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OK I tried but I cant find anything definite.The GM book has lots of AIR pulley numbers but they dont really say if the pulley is for the AIR pump or the water pump.Sometimes they talk about drive and driven but not in this case.
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Old Nov 9, 2008 | 05:35 PM
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Just happen to have just tore my 71 LT-1 apart for winter project

The single pulley on the water pump for AIR belt has

3991425 BX on it


David
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Old Nov 9, 2008 | 06:40 PM
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Was just pm'ed this from another member.
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Old Nov 9, 2008 | 06:47 PM
  #6  
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Looks like the one I have is an add on pulley for powersteering. It's not stamped anywhere which is weird.
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