kevingross
Joined: 15 Apr 2015 Posts: 34 Location: Stow, MA, USA
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Posted: Tue Sep 26, 2017 12:54 am Post subject: |
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A customer of mine just forwarded a link to this old posting and I thought I'd share what I wrote back to him, hoping to clarify the original question for future readers.
Regarding the Porsche parts system, no, you cannot go by the numbering as suggested. There are parts where for example 915-302-301-00 and 915-302-301-01 may be an original and a supersession, respectively, and so interchangeable. But it’s also often the case that the later version number is incompatible because it is for a different, later model or requires matched changes to other parts that go with it. 915-302-301-30 could be a motorsports version. 915-302-301-00 and 928-302-301-00 (changing the first group) could be completely different parts, mechanically, related only by the fact that the second and third groups point to the same major assembly (302) and part-type (301) within that assembly.
Finally, there is a different coding scheme used for “generic” or DIN-spec parts that Porsche switched to mid-’60s. As an example, take part 900-074-001-00. The 900 indicates it is a standard part. 074 indicates it is a DIN 931 hex bolt. 001 is assigned to the M4x15 size of the bolt. The final group, 00, is the part material or finish, in this case plain steel. _________________ Kevin
Catellus Engineering, Inc.
http://www.catellusengineering.com/
catelluseng@gmail.com |
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