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1284 Review
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Review on πŸ”§ Enhance Engine Performance with GM Genuine Parts 12583384 Passenger Side PCV Fitting by Doug Layman

Revainrating 5 out of 5

As expected - OEM replacement.

Item arrived as expected. Was the perfect replacement for the stock PCV fitting. Drilled holes per GM service note with one 7/64 hole and two 6/64 holes. Used a socket to protect the fitting so I could tap it with a small hammer. Vehicle: 2010 GMC Acadia SL

Pros
  • Consistent test results
Cons
  • Could have chosen a newer model