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Review on πŸ”Œ Dorman 917-420 Engine Oil Filler Tube: A Reliable Black Solution for Select Models by Eric Surabhi

Revainrating 5 out of 5

fits OEM on gas cap

I'm not sure why some people are struggling with this and giving bad reviews. Mine came with an o-ring and fit perfectly. Once installed, it can only be removed by removing the valve cover and depressing the tab. If you try to take it off without removing the valve cover it will break the tab and wobble, that's how the original GM is designed, and it's designed not to come loose when you remove the oil filler cap. I think some of the bad reviews are from people who removed them after installation without removing the valve cover.

Pros
  • Certified
Cons
  • Not bad, but...