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63-67 Firewall Insulation Retaining Fastener (Correct M)
Item #:
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Related To This Item

Original style 1963-1967 Corvette firewall insulation retaining plugs. Rubber plugs secure the firewall insulation by pushing through the cowl or firewall. Correct plugs include the molded "M" as original. Sold individually. Up to 7 required per Corvette depending on application.

This item is proudly Made in the USA

Model Years

More Information
Generation C2
Model Year 1963, 1964, 1965, 1966, 1967
Additional Item Information
  • OE GM PART #: 3726785
    *GM part # provided for lookup purposes only.
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