10-27-2018 – Another delivery – OEM Big Block BB Fan Shroud – 3973920

I received my OEM GM Big Block Fan Shroud.  I am including comparison photos of the repo fan shroud from OER.  The fins are larger and the plastic is heavier.  Very happy!

OEM one:

GM Part Number stamped: Repo on left – notice the fin size and on the repo, the hole isn’t pre-drilled OEM on left GM on left

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