Thread: Auxiliary air pump
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Old Apr 30, 2015 | 09:43 AM
  #17 (permalink)  
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onehundred80
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From: Ontario
Default Re: Auxiliary air pump
Originally Posted by gedwar1
Like I said, the number stamped on the plastic, which is the manufactures (Bosch) identification number, is the same. That means the pumps are the same. The only difference is the removable sticker. If it makes someone feel better they can peal off the sticker and put it on the new Audi pump and everything will be identical.
I beg to differ, the part number stamped on the plastic is the part number of that particular plastic part which could be used on all sorts of different air pump models. The Bosch number is clearly the part number on the sticker and is the result of all the different parts assembled to make that particular model of air pump.
The plastic parts have to have a number on them to identify them, the number may also indicate where and when it was made, what mold it was made on, and the particular modification number to that part, in most cases another stamp indicates what material it is made from for recycling laws. I designed molds so I have some knowledge of this matter.
 
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