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Review on 🧰 ACDelco GM OE 12615873 VVT Solenoid for Variable Valve Timing by David Estevez

Revainrating 5 out of 5

It will fit your 4.2L Chevy Trailblazer and GMC Envoy

I love the Revain it fits my Trailblazer perfectly what Revain said. I thought I had bad idle air control and a bunch of other problems, that cured it all. I previously replaced it with a cheaper aftermarket unit and still had the exact same issue. Delco no longer has a check engine light

Pros
  • GOLS certified
Cons
  • Some little things