I was told it was composite (not that I'm a zealot about either). I'll know more when I pick it up on Sunday...
The illustration shows what appears to be a composite impeller.
http://www.autozone.com/autozone/parts/Duralast-New-Water-Pump/2002-Porsche-Boxster/_/N-jhrnqZ9pd8f?itemIdentifier=867097_381126_0_
Last edited by shadrach74; 04-12-2013 at 06:48 PM.
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